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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.service;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOError;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.nio.ByteBuffer;
import java.time.Instant;
import java.time.format.DateTimeParseException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.Scanner;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Supplier;
import java.util.regex.MatchResult;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import javax.annotation.Nullable;
import javax.management.ListenerNotFoundException;
import javax.management.NotificationBroadcasterSupport;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.TabularDataSupport;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Ordering;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.RateLimiter;
import com.google.common.util.concurrent.Uninterruptibles;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.audit.AuditLogManager;
import org.apache.cassandra.audit.AuditLogOptions;
import org.apache.cassandra.auth.AuthCacheService;
import org.apache.cassandra.auth.AuthKeyspace;
import org.apache.cassandra.auth.AuthSchemaChangeListener;
import org.apache.cassandra.batchlog.BatchlogManager;
import org.apache.cassandra.concurrent.ExecutorLocals;
import org.apache.cassandra.concurrent.FutureTask;
import org.apache.cassandra.concurrent.FutureTaskWithResources;
import org.apache.cassandra.concurrent.NamedThreadFactory;
import org.apache.cassandra.concurrent.ScheduledExecutors;
import org.apache.cassandra.concurrent.Stage;
import org.apache.cassandra.config.CassandraRelevantProperties;
import org.apache.cassandra.config.Config;
import org.apache.cassandra.config.Config.PaxosStatePurging;
import org.apache.cassandra.config.Converters;
import org.apache.cassandra.config.DataStorageSpec;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.DurationSpec;
import org.apache.cassandra.cql3.QueryHandler;
import org.apache.cassandra.cql3.QueryProcessor;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.DecoratedKey;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.db.SizeEstimatesRecorder;
import org.apache.cassandra.db.SnapshotDetailsTabularData;
import org.apache.cassandra.db.SystemKeyspace;
import org.apache.cassandra.db.commitlog.CommitLog;
import org.apache.cassandra.db.compaction.CompactionManager;
import org.apache.cassandra.db.compaction.OperationType;
import org.apache.cassandra.db.guardrails.Guardrails;
import org.apache.cassandra.db.lifecycle.LifecycleTransaction;
import org.apache.cassandra.db.virtual.VirtualKeyspaceRegistry;
import org.apache.cassandra.dht.BootStrapper;
import org.apache.cassandra.dht.IPartitioner;
import org.apache.cassandra.dht.OwnedRanges;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.dht.RangeStreamer;
import org.apache.cassandra.dht.RangeStreamer.FetchReplica;
import org.apache.cassandra.dht.StreamStateStore;
import org.apache.cassandra.dht.Token;
import org.apache.cassandra.dht.Token.TokenFactory;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.exceptions.InvalidRequestException;
import org.apache.cassandra.exceptions.UnavailableException;
import org.apache.cassandra.fql.FullQueryLogger;
import org.apache.cassandra.fql.FullQueryLoggerOptions;
import org.apache.cassandra.fql.FullQueryLoggerOptionsCompositeData;
import org.apache.cassandra.gms.ApplicationState;
import org.apache.cassandra.gms.EndpointState;
import org.apache.cassandra.gms.FailureDetector;
import org.apache.cassandra.gms.Gossiper;
import org.apache.cassandra.gms.IEndpointStateChangeSubscriber;
import org.apache.cassandra.gms.IFailureDetector;
import org.apache.cassandra.gms.TokenSerializer;
import org.apache.cassandra.gms.VersionedValue;
import org.apache.cassandra.hints.Hint;
import org.apache.cassandra.hints.HintsService;
import org.apache.cassandra.index.IndexStatusManager;
import org.apache.cassandra.io.sstable.IScrubber;
import org.apache.cassandra.io.sstable.IVerifier;
import org.apache.cassandra.io.sstable.SSTableLoader;
import org.apache.cassandra.io.sstable.format.Version;
import org.apache.cassandra.io.util.File;
import org.apache.cassandra.io.util.FileUtils;
import org.apache.cassandra.io.util.PathUtils;
import org.apache.cassandra.locator.AbstractReplicationStrategy;
import org.apache.cassandra.locator.DynamicEndpointSnitch;
import org.apache.cassandra.locator.EndpointsByRange;
import org.apache.cassandra.locator.EndpointsByReplica;
import org.apache.cassandra.locator.EndpointsForRange;
import org.apache.cassandra.locator.EndpointsForToken;
import org.apache.cassandra.locator.IEndpointSnitch;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.locator.LocalStrategy;
import org.apache.cassandra.locator.NetworkTopologyStrategy;
import org.apache.cassandra.locator.RangesAtEndpoint;
import org.apache.cassandra.locator.RangesByEndpoint;
import org.apache.cassandra.locator.Replica;
import org.apache.cassandra.locator.ReplicaCollection.Builder.Conflict;
import org.apache.cassandra.locator.Replicas;
import org.apache.cassandra.locator.SystemReplicas;
import org.apache.cassandra.locator.TokenMetadata;
import org.apache.cassandra.metrics.Sampler;
import org.apache.cassandra.metrics.SamplingManager;
import org.apache.cassandra.metrics.StorageMetrics;
import org.apache.cassandra.net.AsyncOneResponse;
import org.apache.cassandra.net.Message;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.repair.RepairCoordinator;
import org.apache.cassandra.repair.SharedContext;
import org.apache.cassandra.repair.messages.RepairOption;
import org.apache.cassandra.schema.CompactionParams.TombstoneOption;
import org.apache.cassandra.schema.KeyspaceMetadata;
import org.apache.cassandra.schema.Keyspaces;
import org.apache.cassandra.schema.ReplicationParams;
import org.apache.cassandra.schema.Schema;
import org.apache.cassandra.schema.SchemaConstants;
import org.apache.cassandra.schema.SchemaTransformations;
import org.apache.cassandra.schema.SystemDistributedKeyspace;
import org.apache.cassandra.schema.TableId;
import org.apache.cassandra.schema.TableMetadata;
import org.apache.cassandra.schema.TableMetadataRef;
import org.apache.cassandra.schema.ViewMetadata;
import org.apache.cassandra.service.disk.usage.DiskUsageBroadcaster;
import org.apache.cassandra.service.paxos.Paxos;
import org.apache.cassandra.service.paxos.PaxosCommit;
import org.apache.cassandra.service.paxos.PaxosRepair;
import org.apache.cassandra.service.paxos.PaxosState;
import org.apache.cassandra.service.paxos.cleanup.PaxosCleanupLocalCoordinator;
import org.apache.cassandra.service.paxos.cleanup.PaxosRepairState;
import org.apache.cassandra.service.snapshot.SnapshotManager;
import org.apache.cassandra.service.snapshot.TableSnapshot;
import org.apache.cassandra.streaming.StreamManager;
import org.apache.cassandra.streaming.StreamOperation;
import org.apache.cassandra.streaming.StreamPlan;
import org.apache.cassandra.streaming.StreamResultFuture;
import org.apache.cassandra.streaming.StreamState;
import org.apache.cassandra.tracing.TraceKeyspace;
import org.apache.cassandra.transport.ClientResourceLimits;
import org.apache.cassandra.transport.ProtocolVersion;
import org.apache.cassandra.utils.Clock;
import org.apache.cassandra.utils.ExecutorUtils;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.JVMStabilityInspector;
import org.apache.cassandra.utils.MBeanWrapper;
import org.apache.cassandra.utils.MD5Digest;
import org.apache.cassandra.utils.OutputHandler;
import org.apache.cassandra.utils.Pair;
import org.apache.cassandra.utils.Throwables;
import org.apache.cassandra.utils.WrappedRunnable;
import org.apache.cassandra.utils.concurrent.Future;
import org.apache.cassandra.utils.concurrent.FutureCombiner;
import org.apache.cassandra.utils.concurrent.ImmediateFuture;
import org.apache.cassandra.utils.concurrent.UncheckedInterruptedException;
import org.apache.cassandra.utils.logging.LoggingSupportFactory;
import org.apache.cassandra.utils.progress.ProgressEvent;
import org.apache.cassandra.utils.progress.ProgressEventType;
import org.apache.cassandra.utils.progress.ProgressListener;
import org.apache.cassandra.utils.progress.jmx.JMXBroadcastExecutor;
import org.apache.cassandra.utils.progress.jmx.JMXProgressSupport;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.Iterables.transform;
import static com.google.common.collect.Iterables.tryFind;
import static java.util.Arrays.asList;
import static java.util.Arrays.stream;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toMap;
import static org.apache.cassandra.config.CassandraRelevantProperties.ALLOW_UNSAFE_JOIN;
import static org.apache.cassandra.config.CassandraRelevantProperties.ALLOW_UNSAFE_REPLACE;
import static org.apache.cassandra.config.CassandraRelevantProperties.BOOTSTRAP_SCHEMA_DELAY_MS;
import static org.apache.cassandra.config.CassandraRelevantProperties.BOOTSTRAP_SKIP_SCHEMA_CHECK;
import static org.apache.cassandra.config.CassandraRelevantProperties.CONSISTENT_RANGE_MOVEMENT;
import static org.apache.cassandra.config.CassandraRelevantProperties.CONSISTENT_SIMULTANEOUS_MOVES_ALLOW;
import static org.apache.cassandra.config.CassandraRelevantProperties.DRAIN_EXECUTOR_TIMEOUT_MS;
import static org.apache.cassandra.config.CassandraRelevantProperties.JOIN_RING;
import static org.apache.cassandra.config.CassandraRelevantProperties.LOAD_RING_STATE;
import static org.apache.cassandra.config.CassandraRelevantProperties.OVERRIDE_DECOMMISSION;
import static org.apache.cassandra.config.CassandraRelevantProperties.PAXOS_REPAIR_ON_TOPOLOGY_CHANGE_RETRIES;
import static org.apache.cassandra.config.CassandraRelevantProperties.PAXOS_REPAIR_ON_TOPOLOGY_CHANGE_RETRY_DELAY_SECONDS;
import static org.apache.cassandra.config.CassandraRelevantProperties.REPLACEMENT_ALLOW_EMPTY;
import static org.apache.cassandra.config.CassandraRelevantProperties.REPLACE_ADDRESS;
import static org.apache.cassandra.config.CassandraRelevantProperties.REPLACE_ADDRESS_FIRST_BOOT;
import static org.apache.cassandra.config.CassandraRelevantProperties.RESET_BOOTSTRAP_PROGRESS;
import static org.apache.cassandra.config.CassandraRelevantProperties.START_GOSSIP;
import static org.apache.cassandra.config.CassandraRelevantProperties.TEST_WRITE_SURVEY;
import static org.apache.cassandra.index.SecondaryIndexManager.getIndexName;
import static org.apache.cassandra.index.SecondaryIndexManager.isIndexColumnFamily;
import static org.apache.cassandra.net.NoPayload.noPayload;
import static org.apache.cassandra.net.Verb.REPLICATION_DONE_REQ;
import static org.apache.cassandra.service.ActiveRepairService.ParentRepairStatus;
import static org.apache.cassandra.service.ActiveRepairService.repairCommandExecutor;
import static org.apache.cassandra.service.StorageService.Mode.DECOMMISSIONED;
import static org.apache.cassandra.service.StorageService.Mode.DECOMMISSION_FAILED;
import static org.apache.cassandra.service.StorageService.Mode.JOINING_FAILED;
import static org.apache.cassandra.utils.Clock.Global.currentTimeMillis;
import static org.apache.cassandra.utils.Clock.Global.nanoTime;
import static org.apache.cassandra.utils.FBUtilities.getBroadcastAddressAndPort;
import static org.apache.cassandra.utils.FBUtilities.now;
/**
* This abstraction contains the token/identifier of this node
* on the identifier space. This token gets gossiped around.
* This class will also maintain histograms of the load information
* of other nodes in the cluster.
*/
public class StorageService extends NotificationBroadcasterSupport implements IEndpointStateChangeSubscriber, StorageServiceMBean
{
private static final Logger logger = LoggerFactory.getLogger(StorageService.class);
public static final int INDEFINITE = -1;
public static final int RING_DELAY_MILLIS = getRingDelay(); // delay after which we assume ring has stablized
public static final int SCHEMA_DELAY_MILLIS = getSchemaDelay();
private static final boolean REQUIRE_SCHEMAS = !BOOTSTRAP_SKIP_SCHEMA_CHECK.getBoolean();
{
PathUtils.setDeletionListener(path -> {
if (isDaemonSetupCompleted())
PathUtils.setDeletionListener(ignore -> {});
else
logger.trace("Deleting file during startup: {}", path);
});
}
private final JMXProgressSupport progressSupport = new JMXProgressSupport(this);
private static int getRingDelay()
{
String newdelay = CassandraRelevantProperties.RING_DELAY.getString();
if (newdelay != null)
{
logger.info("Overriding RING_DELAY to {}ms", newdelay);
return Integer.parseInt(newdelay);
}
else
{
return 30 * 1000;
}
}
private static int getSchemaDelay()
{
String newdelay = BOOTSTRAP_SCHEMA_DELAY_MS.getString();
if (newdelay != null)
{
logger.info("Overriding SCHEMA_DELAY_MILLIS to {}ms", newdelay);
return Integer.parseInt(newdelay);
}
else
{
return 30 * 1000;
}
}
/* This abstraction maintains the token/endpoint metadata information */
private TokenMetadata tokenMetadata = new TokenMetadata();
public volatile VersionedValue.VersionedValueFactory valueFactory = new VersionedValue.VersionedValueFactory(tokenMetadata.partitioner);
private Thread drainOnShutdown = null;
private volatile boolean isShutdown = false;
private final List preShutdownHooks = new ArrayList<>();
private final List postShutdownHooks = new ArrayList<>();
public final SnapshotManager snapshotManager = new SnapshotManager();
public static final StorageService instance = new StorageService();
private final SamplingManager samplingManager = new SamplingManager();
@VisibleForTesting // this is used for dtests only, see CASSANDRA-18152
public volatile boolean skipNotificationListeners = false;
private final java.util.function.Predicate anyOutOfRangeOpsRecorded =
keyspace -> keyspace.metric.outOfRangeTokenReads.getCount() > 0
|| keyspace.metric.outOfRangeTokenWrites.getCount() > 0
|| keyspace.metric.outOfRangeTokenPaxosRequests.getCount() > 0;
private long[] getOutOfRangeOperationCounts(Keyspace keyspace)
{
return new long[]
{
keyspace.metric.outOfRangeTokenReads.getCount(),
keyspace.metric.outOfRangeTokenWrites.getCount(),
keyspace.metric.outOfRangeTokenPaxosRequests.getCount()
};
}
public Map getOutOfRangeOperationCounts()
{
return Schema.instance.getKeyspaces()
.stream()
.map(Keyspace::open)
.filter(anyOutOfRangeOpsRecorded)
.collect(Collectors.toMap(Keyspace::getName, this::getOutOfRangeOperationCounts));
}
public void incOutOfRangeOperationCount()
{
(isStarting() ? StorageMetrics.startupOpsForInvalidToken : StorageMetrics.totalOpsForInvalidToken).inc();
}
/** @deprecated See CASSANDRA-12509 */
@Deprecated(since = "3.10")
public boolean isInShutdownHook()
{
return isShutdown();
}
public boolean isShutdown()
{
return isShutdown;
}
/**
* for in-jvm dtest use - forces isShutdown to be set to whatever passed in.
*/
@VisibleForTesting
public void setIsShutdownUnsafeForTests(boolean isShutdown)
{
this.isShutdown = isShutdown;
}
public RangesAtEndpoint getLocalReplicas(String keyspaceName)
{
return getReplicas(keyspaceName, FBUtilities.getBroadcastAddressAndPort());
}
public RangesAtEndpoint getReplicas(String keyspaceName, InetAddressAndPort endpoint)
{
return Keyspace.open(keyspaceName).getReplicationStrategy().getAddressReplicas(endpoint);
}
public List> getLocalRanges(String ks)
{
InetAddressAndPort broadcastAddress = FBUtilities.getBroadcastAddressAndPort();
Keyspace keyspace = Keyspace.open(ks);
List> ranges = new ArrayList<>();
for (Replica r : keyspace.getReplicationStrategy().getAddressReplicas(broadcastAddress))
ranges.add(r.range());
return ranges;
}
public List> getLocalAndPendingRanges(String ks)
{
InetAddressAndPort broadcastAddress = FBUtilities.getBroadcastAddressAndPort();
Keyspace keyspace = Keyspace.open(ks);
List> ranges = new ArrayList<>();
for (Replica r : keyspace.getReplicationStrategy().getAddressReplicas(broadcastAddress))
ranges.add(r.range());
for (Replica r : getTokenMetadata().getPendingRanges(ks, broadcastAddress))
ranges.add(r.range());
return ranges;
}
public OwnedRanges getNormalizedRanges(String keyspaceName, InetAddressAndPort ep)
{
return new OwnedRanges(getReplicas(keyspaceName, ep).ranges());
}
public OwnedRanges getNormalizedLocalRanges(String keyspaceName)
{
return getNormalizedRanges(keyspaceName, FBUtilities.getBroadcastAddressAndPort());
}
public Collection> getPrimaryRanges(String keyspace)
{
return getPrimaryRangesForEndpoint(keyspace, FBUtilities.getBroadcastAddressAndPort());
}
public Collection> getPrimaryRangesWithinDC(String keyspace)
{
return getPrimaryRangeForEndpointWithinDC(keyspace, FBUtilities.getBroadcastAddressAndPort());
}
private final Set replicatingNodes = Sets.newConcurrentHashSet();
private CassandraDaemon daemon;
private InetAddressAndPort removingNode;
/* Are we starting this node in bootstrap mode? */
private volatile boolean isBootstrapMode;
/* we bootstrap but do NOT join the ring unless told to do so */
private boolean isSurveyMode = TEST_WRITE_SURVEY.getBoolean(false);
/* true if node is rebuilding and receiving data */
private final AtomicBoolean isRebuilding = new AtomicBoolean();
private final AtomicBoolean isDecommissioning = new AtomicBoolean();
private volatile boolean initialized = false;
private volatile boolean joined = false;
private volatile boolean gossipActive = false;
private final AtomicBoolean authSetupCalled = new AtomicBoolean(false);
private volatile boolean authSetupComplete = false;
/* the probability for tracing any particular request, 0 disables tracing and 1 enables for all */
private double traceProbability = 0.0;
public enum Mode { STARTING, NORMAL, JOINING, JOINING_FAILED, LEAVING, DECOMMISSIONED, DECOMMISSION_FAILED, MOVING, DRAINING, DRAINED }
private volatile Mode operationMode = Mode.STARTING;
/* Used for tracking drain progress */
private volatile int totalCFs, remainingCFs;
private static final AtomicInteger nextRepairCommand = new AtomicInteger();
private final List lifecycleSubscribers = new CopyOnWriteArrayList<>();
private final String jmxObjectName;
private Collection bootstrapTokens = null;
// true when keeping strict consistency while bootstrapping
public static final boolean useStrictConsistency = CONSISTENT_RANGE_MOVEMENT.getBoolean();
private static final boolean allowSimultaneousMoves = CONSISTENT_SIMULTANEOUS_MOVES_ALLOW.getBoolean();
private static final boolean joinRing = JOIN_RING.getBoolean();
private boolean replacing;
private final StreamStateStore streamStateStore = new StreamStateStore();
public final SSTablesGlobalTracker sstablesTracker;
public boolean isSurveyMode()
{
return isSurveyMode;
}
public boolean hasJoined()
{
return joined;
}
/**
* This method updates the local token on disk
*/
public void setTokens(Collection tokens)
{
assert tokens != null && !tokens.isEmpty() : "Node needs at least one token.";
if (logger.isDebugEnabled())
logger.debug("Setting tokens to {}", tokens);
SystemKeyspace.updateTokens(tokens);
Collection localTokens = getLocalTokens();
setGossipTokens(localTokens);
tokenMetadata.updateNormalTokens(tokens, FBUtilities.getBroadcastAddressAndPort());
setMode(Mode.NORMAL, false);
invalidateLocalRanges();
}
public void setGossipTokens(Collection tokens)
{
List> states = new ArrayList>();
states.add(Pair.create(ApplicationState.TOKENS, valueFactory.tokens(tokens)));
states.add(Pair.create(ApplicationState.STATUS_WITH_PORT, valueFactory.normal(tokens)));
states.add(Pair.create(ApplicationState.STATUS, valueFactory.normal(tokens)));
Gossiper.instance.addLocalApplicationStates(states);
}
public StorageService()
{
// use dedicated executor for handling JMX notifications
super(JMXBroadcastExecutor.executor);
jmxObjectName = "org.apache.cassandra.db:type=StorageService";
sstablesTracker = new SSTablesGlobalTracker(DatabaseDescriptor.getSelectedSSTableFormat());
}
private void registerMBeans()
{
MBeanWrapper.instance.registerMBean(this, jmxObjectName);
MBeanWrapper.instance.registerMBean(StreamManager.instance, StreamManager.OBJECT_NAME);
}
public void registerDaemon(CassandraDaemon daemon)
{
this.daemon = daemon;
}
public void register(IEndpointLifecycleSubscriber subscriber)
{
lifecycleSubscribers.add(subscriber);
}
public void unregister(IEndpointLifecycleSubscriber subscriber)
{
lifecycleSubscribers.remove(subscriber);
}
// should only be called via JMX
public void stopGossiping()
{
if (gossipActive)
{
if (!isNormal() && joinRing)
throw new IllegalStateException("Unable to stop gossip because the node is not in the normal state. Try to stop the node instead.");
logger.warn("Stopping gossip by operator request");
if (isNativeTransportRunning())
{
logger.warn("Disabling gossip while native transport is still active is unsafe");
}
Gossiper.instance.stop();
gossipActive = false;
}
}
// should only be called via JMX
public synchronized void startGossiping()
{
if (!gossipActive)
{
checkServiceAllowedToStart("gossip");
logger.warn("Starting gossip by operator request");
Collection tokens = SystemKeyspace.getSavedTokens();
boolean validTokens = tokens != null && !tokens.isEmpty();
// shouldn't be called before these are set if we intend to join the ring/are in the process of doing so
if (joined || joinRing)
assert validTokens : "Cannot start gossiping for a node intended to join without valid tokens";
if (validTokens)
setGossipTokens(tokens);
Gossiper.instance.forceNewerGeneration();
Gossiper.instance.start((int) (currentTimeMillis() / 1000));
gossipActive = true;
}
}
// should only be called via JMX
public boolean isGossipRunning()
{
return Gossiper.instance.isEnabled();
}
public synchronized void startNativeTransport()
{
checkServiceAllowedToStart("native transport");
if (daemon == null)
{
throw new IllegalStateException("No configured daemon");
}
try
{
daemon.startNativeTransport();
}
catch (Exception e)
{
throw new RuntimeException("Error starting native transport: " + e.getMessage());
}
}
public void stopNativeTransport(boolean force)
{
if (daemon == null)
{
throw new IllegalStateException("No configured daemon");
}
daemon.stopNativeTransport(force);
}
public boolean isNativeTransportRunning()
{
if (daemon == null)
{
return false;
}
return daemon.isNativeTransportRunning();
}
@Override
public void enableNativeTransportOldProtocolVersions()
{
DatabaseDescriptor.setNativeTransportAllowOlderProtocols(true);
}
@Override
public void disableNativeTransportOldProtocolVersions()
{
DatabaseDescriptor.setNativeTransportAllowOlderProtocols(false);
}
public void stopTransports()
{
if (isNativeTransportRunning())
{
logger.error("Stopping native transport");
stopNativeTransport();
}
if (isGossipActive())
{
logger.error("Stopping gossiper");
stopGossiping();
}
}
/**
* Set the Gossip flag RPC_READY to false and then
* shutdown the client services (thrift and CQL).
*
* Note that other nodes will do this for us when
* they get the Gossip shutdown message, so even if
* we don't get time to broadcast this, it is not a problem.
*
* See {@code Gossiper#markAsShutdown(InetAddressAndPort)}
*/
private void shutdownClientServers()
{
setRpcReady(false);
stopNativeTransport();
}
public void stopClient()
{
Gossiper.instance.unregister(this);
Gossiper.instance.stop();
MessagingService.instance().shutdown();
// give it a second so that task accepted before the MessagingService shutdown gets submitted to the stage (to avoid RejectedExecutionException)
Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
Stage.shutdownNow();
}
public boolean isInitialized()
{
return initialized;
}
public boolean isGossipActive()
{
return gossipActive;
}
public boolean isDaemonSetupCompleted()
{
return daemon != null && daemon.setupCompleted();
}
public void stopDaemon()
{
if (daemon == null)
throw new IllegalStateException("No configured daemon");
daemon.deactivate();
}
private synchronized UUID prepareForReplacement() throws ConfigurationException
{
if (SystemKeyspace.bootstrapComplete())
throw new RuntimeException("Cannot replace address with a node that is already bootstrapped");
if (!joinRing)
throw new ConfigurationException("Cannot set both join_ring=false and attempt to replace a node");
if (!shouldBootstrap() && !ALLOW_UNSAFE_REPLACE.getBoolean())
throw new RuntimeException("Replacing a node without bootstrapping risks invalidating consistency " +
"guarantees as the expected data may not be present until repair is run. " +
"To perform this operation, please restart with " +
"-D" + ALLOW_UNSAFE_REPLACE.getKey() + "=true");
InetAddressAndPort replaceAddress = DatabaseDescriptor.getReplaceAddress();
logger.info("Gathering node replacement information for {}", replaceAddress);
Map epStates = Gossiper.instance.doShadowRound();
// as we've completed the shadow round of gossip, we should be able to find the node we're replacing
EndpointState state = epStates.get(replaceAddress);
if (state == null)
throw new RuntimeException(String.format("Cannot replace_address %s because it doesn't exist in gossip", replaceAddress));
validateEndpointSnitch(epStates.values().iterator());
try
{
VersionedValue tokensVersionedValue = state.getApplicationState(ApplicationState.TOKENS);
if (tokensVersionedValue == null)
throw new RuntimeException(String.format("Could not find tokens for %s to replace", replaceAddress));
Collection tokens = TokenSerializer.deserialize(tokenMetadata.partitioner, new DataInputStream(new ByteArrayInputStream(tokensVersionedValue.toBytes())));
bootstrapTokens = validateReplacementBootstrapTokens(tokenMetadata, replaceAddress, tokens);
if (state.isEmptyWithoutStatus() && REPLACEMENT_ALLOW_EMPTY.getBoolean())
{
logger.warn("Gossip state not present for replacing node {}. Adding temporary entry to continue.", replaceAddress);
// When replacing a node, we take ownership of all its tokens.
// If that node is currently down and not present in the gossip info
// of any other live peers, then we will not be able to take ownership
// of its tokens during bootstrap as they have no way of being propagated
// to this node's TokenMetadata. TM is loaded at startup (in which case
// it will be/ empty for a new replacement node) and only updated with
// tokens for an endpoint during normal state propagation (which will not
// occur if no peers have gossip state for it).
// However, the presence of host id and tokens in the system tables implies
// that the node managed to complete bootstrap at some point in the past.
// Peers may include this information loaded directly from system tables
// in a GossipDigestAck *only if* the GossipDigestSyn was sent as part of a
// shadow round (otherwise, a GossipDigestAck contains only state about peers
// learned via gossip).
// It is safe to do this here as since we completed a shadow round we know
// that :
// * replaceAddress successfully bootstrapped at some point and owned these
// tokens
// * we know that no other node currently owns these tokens
// * we are going to completely take over replaceAddress's ownership of
// these tokens.
tokenMetadata.updateNormalTokens(bootstrapTokens, replaceAddress);
UUID hostId = Gossiper.instance.getHostId(replaceAddress, epStates);
if (hostId != null)
tokenMetadata.updateHostId(hostId, replaceAddress);
// If we were only able to learn about the node being replaced through the
// shadow gossip round (i.e. there is no state in gossip across the cluster
// about it, perhaps because the entire cluster has been bounced since it went
// down), then we're safe to proceed with the replacement. In this case, there
// will be no local endpoint state as we discard the results of the shadow
// round after preparing replacement info. We inject a minimal EndpointState
// to keep FailureDetector::isAlive and Gossiper::compareEndpointStartup from
// failing later in the replacement, as they both expect the replaced node to
// be fully present in gossip.
// Otherwise, if the replaced node is present in gossip, we need check that
// it is not in fact live.
// We choose to not include the EndpointState provided during the shadow round
// as its possible to include more state than is desired, so by creating a
// new empty endpoint without that information we can control what is in our
// local gossip state
Gossiper.instance.initializeUnreachableNodeUnsafe(replaceAddress);
}
}
catch (IOException e)
{
throw new RuntimeException(e);
}
UUID localHostId = SystemKeyspace.getOrInitializeLocalHostId();
if (isReplacingSameAddress())
{
localHostId = Gossiper.instance.getHostId(replaceAddress, epStates);
SystemKeyspace.setLocalHostId(localHostId); // use the replacee's host Id as our own so we receive hints, etc
}
return localHostId;
}
private static Collection validateReplacementBootstrapTokens(TokenMetadata tokenMetadata,
InetAddressAndPort replaceAddress,
Collection bootstrapTokens)
{
Map conflicts = new HashMap<>();
for (Token token : bootstrapTokens)
{
InetAddressAndPort conflict = tokenMetadata.getEndpoint(token);
if (null != conflict && !conflict.equals(replaceAddress))
conflicts.put(token, tokenMetadata.getEndpoint(token));
}
if (!conflicts.isEmpty())
{
String error = String.format("Conflicting token ownership information detected between " +
"gossip and current ring view during proposed replacement " +
"of %s. Some tokens identified in gossip for the node being " +
"replaced are currently owned by other peers: %s",
replaceAddress,
conflicts.entrySet()
.stream()
.map(e -> e.getKey() + "(" + e.getValue() + ")" )
.collect(Collectors.joining(",")));
throw new RuntimeException(error);
}
return bootstrapTokens;
}
public synchronized void checkForEndpointCollision(UUID localHostId, Set peers) throws ConfigurationException
{
if (ALLOW_UNSAFE_JOIN.getBoolean())
{
logger.warn("Skipping endpoint collision check as " + ALLOW_UNSAFE_JOIN.getKey() + "=true");
return;
}
logger.debug("Starting shadow gossip round to check for endpoint collision");
Map epStates = Gossiper.instance.doShadowRound(peers);
if (epStates.isEmpty() && DatabaseDescriptor.getSeeds().contains(FBUtilities.getBroadcastAddressAndPort()))
logger.info("Unable to gossip with any peers but continuing anyway since node is in its own seed list");
// If bootstrapping, check whether any previously known status for the endpoint makes it unsafe to do so.
// If not bootstrapping, compare the host id for this endpoint learned from gossip (if any) with the local
// one, which was either read from system.local or generated at startup. If a learned id is present &
// doesn't match the local, then the node needs replacing
if (!Gossiper.instance.isSafeForStartup(FBUtilities.getBroadcastAddressAndPort(), localHostId, shouldBootstrap(), epStates))
{
throw new RuntimeException(String.format("A node with address %s already exists, cancelling join. " +
"Use %s if you want to replace this node.",
FBUtilities.getBroadcastAddressAndPort(), REPLACE_ADDRESS.getKey()));
}
validateEndpointSnitch(epStates.values().iterator());
if (shouldBootstrap() && useStrictConsistency && !allowSimultaneousMoves())
{
for (Map.Entry entry : epStates.entrySet())
{
// ignore local node or empty status
if (entry.getKey().equals(FBUtilities.getBroadcastAddressAndPort()) || (entry.getValue().getApplicationState(ApplicationState.STATUS_WITH_PORT) == null & entry.getValue().getApplicationState(ApplicationState.STATUS) == null))
continue;
VersionedValue value = entry.getValue().getApplicationState(ApplicationState.STATUS_WITH_PORT);
if (value == null)
{
value = entry.getValue().getApplicationState(ApplicationState.STATUS);
}
String[] pieces = splitValue(value);
assert (pieces.length > 0);
String state = pieces[0];
if (state.equals(VersionedValue.STATUS_BOOTSTRAPPING) || state.equals(VersionedValue.STATUS_LEAVING) || state.equals(VersionedValue.STATUS_MOVING))
throw new UnsupportedOperationException("Other bootstrapping/leaving/moving nodes detected, cannot bootstrap while " + CONSISTENT_RANGE_MOVEMENT.getKey() + " is true");
}
}
}
private static void validateEndpointSnitch(Iterator endpointStates)
{
Set datacenters = new HashSet<>();
Set racks = new HashSet<>();
while (endpointStates.hasNext())
{
EndpointState state = endpointStates.next();
VersionedValue val = state.getApplicationState(ApplicationState.DC);
if (val != null)
datacenters.add(val.value);
val = state.getApplicationState(ApplicationState.RACK);
if (val != null)
racks.add(val.value);
}
IEndpointSnitch snitch = DatabaseDescriptor.getEndpointSnitch();
if (!snitch.validate(datacenters, racks))
{
throw new IllegalStateException();
}
}
private boolean allowSimultaneousMoves()
{
return allowSimultaneousMoves && DatabaseDescriptor.getNumTokens() == 1;
}
// for testing only
public void unsafeInitialize() throws ConfigurationException
{
initialized = true;
gossipActive = true;
Gossiper.instance.register(this);
Gossiper.instance.start((int) (currentTimeMillis() / 1000)); // needed for node-ring gathering.
Gossiper.instance.addLocalApplicationState(ApplicationState.NET_VERSION, valueFactory.networkVersion());
MessagingService.instance().listen();
}
public synchronized void initServer() throws ConfigurationException
{
initServer(SCHEMA_DELAY_MILLIS, RING_DELAY_MILLIS);
}
public synchronized void initServer(int schemaAndRingDelayMillis) throws ConfigurationException
{
initServer(schemaAndRingDelayMillis, RING_DELAY_MILLIS);
}
public synchronized void initServer(int schemaTimeoutMillis, int ringTimeoutMillis) throws ConfigurationException
{
logger.info("Cassandra version: {}", FBUtilities.getReleaseVersionString());
logger.info("Git SHA: {}", FBUtilities.getGitSHA());
logger.info("CQL version: {}", QueryProcessor.CQL_VERSION);
logger.info("Native protocol supported versions: {} (default: {})",
StringUtils.join(ProtocolVersion.supportedVersions(), ", "), ProtocolVersion.CURRENT);
try
{
// Ensure StorageProxy is initialized on start-up; see CASSANDRA-3797.
Class.forName("org.apache.cassandra.service.StorageProxy");
// also IndexSummaryManager, which is otherwise unreferenced
Class.forName("org.apache.cassandra.io.sstable.indexsummary.IndexSummaryManager");
}
catch (ClassNotFoundException e)
{
throw new AssertionError(e);
}
if (LOAD_RING_STATE.getBoolean())
{
logger.info("Loading persisted ring state");
populatePeerTokenMetadata();
for (InetAddressAndPort endpoint : tokenMetadata.getAllEndpoints())
Gossiper.runInGossipStageBlocking(() -> Gossiper.instance.addSavedEndpoint(endpoint));
}
// daemon threads, like our executors', continue to run while shutdown hooks are invoked
drainOnShutdown = NamedThreadFactory.createThread(new WrappedRunnable()
{
@Override
public void runMayThrow() throws InterruptedException, ExecutionException, IOException
{
drain(true);
try
{
ExecutorUtils.shutdownNowAndWait(1, MINUTES, ScheduledExecutors.scheduledFastTasks);
logger.info("Cassandra shutdown complete");
}
catch (Throwable t)
{
logger.warn("Unable to terminate fast tasks within 1 minute.", t);
}
finally
{
LoggingSupportFactory.getLoggingSupport().onShutdown();
}
}
}, "StorageServiceShutdownHook");
Runtime.getRuntime().addShutdownHook(drainOnShutdown);
registerMBeans();
replacing = isReplacing();
if (!START_GOSSIP.getBoolean())
{
logger.info("Not starting gossip as requested.");
completeInitialization();
return;
}
prepareToJoin();
// Has to be called after the host id has potentially changed in prepareToJoin().
try
{
CacheService.instance.counterCache.loadSavedAsync().get();
}
catch (Throwable t)
{
JVMStabilityInspector.inspectThrowable(t);
logger.warn("Error loading counter cache", t);
}
if (joinRing)
{
joinTokenRing(schemaTimeoutMillis, ringTimeoutMillis);
}
else
{
Collection tokens = SystemKeyspace.getSavedTokens();
if (!tokens.isEmpty())
{
tokenMetadata.updateNormalTokens(tokens, FBUtilities.getBroadcastAddressAndPort());
// order is important here, the gossiper can fire in between adding these two states. It's ok to send TOKENS without STATUS, but *not* vice versa.
List> states = new ArrayList>();
states.add(Pair.create(ApplicationState.TOKENS, valueFactory.tokens(tokens)));
states.add(Pair.create(ApplicationState.STATUS_WITH_PORT, valueFactory.hibernate(true)));
states.add(Pair.create(ApplicationState.STATUS, valueFactory.hibernate(true)));
Gossiper.instance.addLocalApplicationStates(states);
}
doAuthSetup(true);
logger.info("Not joining ring as requested. Use JMX (StorageService->joinRing()) to initiate ring joining");
}
completeInitialization();
}
@VisibleForTesting
public void completeInitialization()
{
initialized = true;
}
public void populateTokenMetadata()
{
if (LOAD_RING_STATE.getBoolean())
{
populatePeerTokenMetadata();
// if we have not completed bootstrapping, we should not add ourselves as a normal token
if (!shouldBootstrap())
tokenMetadata.updateNormalTokens(SystemKeyspace.getSavedTokens(), FBUtilities.getBroadcastAddressAndPort());
logger.info("Token metadata: {}", tokenMetadata);
}
}
private void populatePeerTokenMetadata()
{
logger.info("Populating token metadata from system tables");
Multimap loadedTokens = SystemKeyspace.loadTokens();
// entry has been mistakenly added, delete it
if (loadedTokens.containsKey(FBUtilities.getBroadcastAddressAndPort()))
SystemKeyspace.removeEndpoint(FBUtilities.getBroadcastAddressAndPort());
Map loadedHostIds = SystemKeyspace.loadHostIds();
Map hostIdToEndpointMap = new HashMap<>();
for (InetAddressAndPort ep : loadedTokens.keySet())
{
UUID hostId = loadedHostIds.get(ep);
if (hostId != null)
hostIdToEndpointMap.put(hostId, ep);
}
tokenMetadata.updateNormalTokens(loadedTokens);
tokenMetadata.updateHostIds(hostIdToEndpointMap);
}
public boolean isReplacing()
{
if (replacing)
return true;
if (REPLACE_ADDRESS_FIRST_BOOT.getString() != null && SystemKeyspace.bootstrapComplete())
{
logger.info("Replace address on the first boot requested; this node is already bootstrapped");
return false;
}
return DatabaseDescriptor.getReplaceAddress() != null;
}
/**
* In the event of forceful termination we need to remove the shutdown hook to prevent hanging (OOM for instance)
*/
public void removeShutdownHook()
{
PathUtils.clearOnExitThreads();
if (drainOnShutdown != null)
Runtime.getRuntime().removeShutdownHook(drainOnShutdown);
}
private boolean shouldBootstrap()
{
return DatabaseDescriptor.isAutoBootstrap() && !SystemKeyspace.bootstrapComplete() && !isSeed();
}
public static boolean isSeed()
{
return DatabaseDescriptor.getSeeds().contains(FBUtilities.getBroadcastAddressAndPort());
}
private void prepareToJoin() throws ConfigurationException
{
if (!joined)
{
Map appStates = new EnumMap<>(ApplicationState.class);
if (SystemKeyspace.wasDecommissioned())
{
if (OVERRIDE_DECOMMISSION.getBoolean())
{
logger.warn("This node was decommissioned, but overriding by operator request.");
SystemKeyspace.setBootstrapState(SystemKeyspace.BootstrapState.COMPLETED);
}
else
{
throw new ConfigurationException("This node was decommissioned and will not rejoin the ring unless -D" + OVERRIDE_DECOMMISSION.getKey() +
"=true has been set, or all existing data is removed and the node is bootstrapped again");
}
}
if (DatabaseDescriptor.getReplaceTokens().size() > 0 || DatabaseDescriptor.getReplaceNode() != null)
throw new RuntimeException("Replace method removed; use " + REPLACE_ADDRESS.getKey() + " system property instead.");
DatabaseDescriptor.getInternodeAuthenticator().setupInternode();
MessagingService.instance().listen();
UUID localHostId = SystemKeyspace.getOrInitializeLocalHostId();
if (replacing)
{
localHostId = prepareForReplacement();
appStates.put(ApplicationState.TOKENS, valueFactory.tokens(bootstrapTokens));
if (!shouldBootstrap())
{
// Will not do replace procedure, persist the tokens we're taking over locally
// so that they don't get clobbered with auto generated ones in joinTokenRing
SystemKeyspace.updateTokens(bootstrapTokens);
}
else if (isReplacingSameAddress())
{
//only go into hibernate state if replacing the same address (CASSANDRA-8523)
logger.warn("Writes will not be forwarded to this node during replacement because it has the same address as " +
"the node to be replaced ({}). If the previous node has been down for longer than max_hint_window, " +
"repair must be run after the replacement process in order to make this node consistent.",
DatabaseDescriptor.getReplaceAddress());
appStates.put(ApplicationState.STATUS_WITH_PORT, valueFactory.hibernate(true));
appStates.put(ApplicationState.STATUS, valueFactory.hibernate(true));
}
}
else
{
checkForEndpointCollision(localHostId, SystemKeyspace.loadHostIds().keySet());
if (SystemKeyspace.bootstrapComplete())
{
Preconditions.checkState(!Config.isClientMode());
// tokens are only ever saved to system.local after bootstrap has completed and we're joining the ring,
// or when token update operations (move, decom) are completed
Collection savedTokens = SystemKeyspace.getSavedTokens();
if (!savedTokens.isEmpty())
appStates.put(ApplicationState.TOKENS, valueFactory.tokens(savedTokens));
}
}
// have to start the gossip service before we can see any info on other nodes. this is necessary
// for bootstrap to get the load info it needs.
// (we won't be part of the storage ring though until we add a counterId to our state, below.)
// Seed the host ID-to-endpoint map with our own ID.
getTokenMetadata().updateHostId(localHostId, FBUtilities.getBroadcastAddressAndPort());
appStates.put(ApplicationState.NET_VERSION, valueFactory.networkVersion());
appStates.put(ApplicationState.HOST_ID, valueFactory.hostId(localHostId));
appStates.put(ApplicationState.NATIVE_ADDRESS_AND_PORT, valueFactory.nativeaddressAndPort(FBUtilities.getBroadcastNativeAddressAndPort()));
appStates.put(ApplicationState.RPC_ADDRESS, valueFactory.rpcaddress(FBUtilities.getJustBroadcastNativeAddress()));
appStates.put(ApplicationState.RELEASE_VERSION, valueFactory.releaseVersion());
appStates.put(ApplicationState.SSTABLE_VERSIONS, valueFactory.sstableVersions(sstablesTracker.versionsInUse()));
logger.info("Starting up server gossip");
Gossiper.instance.register(this);
Gossiper.instance.start(SystemKeyspace.incrementAndGetGeneration(), appStates); // needed for node-ring gathering.
gossipActive = true;
sstablesTracker.register((notification, o) -> {
if (!(notification instanceof SSTablesVersionsInUseChangeNotification))
return;
Set versions = ((SSTablesVersionsInUseChangeNotification)notification).versionsInUse;
logger.debug("Updating local sstables version in Gossip to {}", versions);
Gossiper.instance.addLocalApplicationState(ApplicationState.SSTABLE_VERSIONS,
valueFactory.sstableVersions(versions));
});
// gossip snitch infos (local DC and rack)
gossipSnitchInfo();
Schema.instance.startSync();
LoadBroadcaster.instance.startBroadcasting();
DiskUsageBroadcaster.instance.startBroadcasting();
HintsService.instance.startDispatch();
BatchlogManager.instance.start();
startSnapshotManager();
}
}
@VisibleForTesting
public void startSnapshotManager()
{
snapshotManager.start();
}
public void waitForSchema(long schemaTimeoutMillis, long ringTimeoutMillis)
{
Instant deadline = FBUtilities.now().plus(java.time.Duration.ofMillis(ringTimeoutMillis));
while (Schema.instance.isEmpty() && FBUtilities.now().isBefore(deadline))
Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
if (!Schema.instance.waitUntilReady(java.time.Duration.ofMillis(schemaTimeoutMillis)))
throw new IllegalStateException("Could not achieve schema readiness in " + java.time.Duration.ofMillis(schemaTimeoutMillis));
}
private void joinTokenRing(long schemaTimeoutMillis, long ringTimeoutMillis) throws ConfigurationException
{
joinTokenRing(!isSurveyMode, shouldBootstrap(), schemaTimeoutMillis, INDEFINITE, ringTimeoutMillis);
}
@VisibleForTesting
public void joinTokenRing(boolean finishJoiningRing,
boolean shouldBootstrap,
long schemaTimeoutMillis,
long bootstrapTimeoutMillis,
long ringTimeoutMillis) throws ConfigurationException
{
joined = true;
// We bootstrap if we haven't successfully bootstrapped before, as long as we are not a seed.
// If we are a seed, or if the user manually sets auto_bootstrap to false,
// we'll skip streaming data from other nodes and jump directly into the ring.
//
// The seed check allows us to skip the RING_DELAY sleep for the single-node cluster case,
// which is useful for both new users and testing.
//
// We attempted to replace this with a schema-presence check, but you need a meaningful sleep
// to get schema info from gossip which defeats the purpose. See CASSANDRA-4427 for the gory details.
Set current = new HashSet<>();
if (logger.isDebugEnabled())
{
logger.debug("Bootstrap variables: {} {} {} {}",
DatabaseDescriptor.isAutoBootstrap(),
SystemKeyspace.bootstrapInProgress(),
SystemKeyspace.bootstrapComplete(),
DatabaseDescriptor.getSeeds().contains(FBUtilities.getBroadcastAddressAndPort()));
}
if (DatabaseDescriptor.isAutoBootstrap() && !SystemKeyspace.bootstrapComplete() && DatabaseDescriptor.getSeeds().contains(FBUtilities.getBroadcastAddressAndPort()))
{
logger.info("This node will not auto bootstrap because it is configured to be a seed node.");
}
boolean dataAvailable = true; // make this to false when bootstrap streaming failed
if (shouldBootstrap)
{
current.addAll(prepareForBootstrap(schemaTimeoutMillis, ringTimeoutMillis));
dataAvailable = bootstrap(bootstrapTokens, bootstrapTimeoutMillis);
}
else
{
bootstrapTokens = SystemKeyspace.getSavedTokens();
if (bootstrapTokens.isEmpty())
{
bootstrapTokens = BootStrapper.getBootstrapTokens(tokenMetadata, FBUtilities.getBroadcastAddressAndPort(), schemaTimeoutMillis, ringTimeoutMillis);
}
else
{
if (bootstrapTokens.size() != DatabaseDescriptor.getNumTokens())
throw new ConfigurationException("Cannot change the number of tokens from " + bootstrapTokens.size() + " to " + DatabaseDescriptor.getNumTokens());
else
logger.info("Using saved tokens {}", bootstrapTokens);
}
}
setUpDistributedSystemKeyspaces();
if (finishJoiningRing)
{
if (dataAvailable)
{
finishJoiningRing(shouldBootstrap, bootstrapTokens);
// remove the existing info about the replaced node.
if (!current.isEmpty())
{
Gossiper.runInGossipStageBlocking(() -> {
for (InetAddressAndPort existing : current)
Gossiper.instance.replacedEndpoint(existing);
});
}
}
else
{
logger.warn("Some data streaming failed. Use nodetool to check bootstrap state and resume. For more, see `nodetool help bootstrap`. {}", SystemKeyspace.getBootstrapState());
}
StorageProxy.instance.initialLoadPartitionDenylist();
}
else
{
if (dataAvailable)
logger.info("Startup complete, but write survey mode is active, not becoming an active ring member. Use JMX (StorageService->joinRing()) to finalize ring joining.");
else
logger.warn("Some data streaming failed. Use nodetool to check bootstrap state and resume. For more, see `nodetool help bootstrap`. {}", SystemKeyspace.getBootstrapState());
}
}
public static boolean isReplacingSameAddress()
{
InetAddressAndPort replaceAddress = DatabaseDescriptor.getReplaceAddress();
return replaceAddress != null && replaceAddress.equals(FBUtilities.getBroadcastAddressAndPort());
}
public void gossipSnitchInfo()
{
IEndpointSnitch snitch = DatabaseDescriptor.getEndpointSnitch();
String dc = snitch.getLocalDatacenter();
String rack = snitch.getLocalRack();
Gossiper.instance.addLocalApplicationState(ApplicationState.DC, StorageService.instance.valueFactory.datacenter(dc));
Gossiper.instance.addLocalApplicationState(ApplicationState.RACK, StorageService.instance.valueFactory.rack(rack));
}
public void joinRing() throws IOException
{
SystemKeyspace.BootstrapState state = SystemKeyspace.getBootstrapState();
joinRing(state.equals(SystemKeyspace.BootstrapState.IN_PROGRESS));
}
private synchronized void joinRing(boolean resumedBootstrap) throws IOException
{
if (!joined)
{
logger.info("Joining ring by operator request");
try
{
joinTokenRing(SCHEMA_DELAY_MILLIS, 0);
doAuthSetup(false);
}
catch (ConfigurationException e)
{
throw new IOException(e.getMessage());
}
}
else if (isSurveyMode)
{
// if isSurveyMode is on then verify isBootstrapMode
// node can join the ring even if isBootstrapMode is true which should not happen
if (!isBootstrapMode())
{
logger.info("Leaving write survey mode and joining ring at operator request");
finishJoiningRing(resumedBootstrap, SystemKeyspace.getSavedTokens());
doAuthSetup(false);
isSurveyMode = false;
daemon.start();
}
else
{
logger.warn("Can't join the ring because in write_survey mode and bootstrap hasn't completed");
}
}
else if (isBootstrapMode())
{
// bootstrap is not complete hence node cannot join the ring
logger.warn("Can't join the ring because bootstrap hasn't completed.");
}
}
private void executePreJoinTasks(boolean bootstrap)
{
StreamSupport.stream(ColumnFamilyStore.all().spliterator(), false)
.filter(cfs -> Schema.instance.getUserKeyspaces().contains(cfs.getKeyspaceName()))
.forEach(cfs -> cfs.indexManager.executePreJoinTasksBlocking(bootstrap));
}
@VisibleForTesting
public void finishJoiningRing(boolean didBootstrap, Collection tokens)
{
// start participating in the ring.
setMode(Mode.JOINING, "Finish joining ring", true);
SystemKeyspace.setBootstrapState(SystemKeyspace.BootstrapState.COMPLETED);
executePreJoinTasks(didBootstrap);
setTokens(tokens);
assert tokenMetadata.sortedTokens().size() > 0;
}
@VisibleForTesting
public void doAuthSetup(boolean setUpSchema)
{
if (!authSetupCalled.getAndSet(true))
{
if (setUpSchema)
{
Schema.instance.transform(SchemaTransformations.updateSystemKeyspace(AuthKeyspace.metadata(), AuthKeyspace.GENERATION));
}
DatabaseDescriptor.getRoleManager().setup();
DatabaseDescriptor.getAuthenticator().setup();
DatabaseDescriptor.getAuthorizer().setup();
DatabaseDescriptor.getNetworkAuthorizer().setup();
DatabaseDescriptor.getCIDRAuthorizer().setup();
AuthCacheService.initializeAndRegisterCaches();
Schema.instance.registerListener(new AuthSchemaChangeListener());
authSetupComplete = true;
}
}
public boolean isAuthSetupComplete()
{
return authSetupComplete;
}
@VisibleForTesting
public boolean authSetupCalled()
{
return authSetupCalled.get();
}
@VisibleForTesting
public void setUpDistributedSystemKeyspaces()
{
Schema.instance.transform(SchemaTransformations.updateSystemKeyspace(TraceKeyspace.metadata(), TraceKeyspace.GENERATION));
Schema.instance.transform(SchemaTransformations.updateSystemKeyspace(SystemDistributedKeyspace.metadata(), SystemDistributedKeyspace.GENERATION));
Schema.instance.transform(SchemaTransformations.updateSystemKeyspace(AuthKeyspace.metadata(), AuthKeyspace.GENERATION));
}
public boolean isJoined()
{
return tokenMetadata.isMember(FBUtilities.getBroadcastAddressAndPort()) && !isSurveyMode;
}
public void rebuild(String sourceDc)
{
rebuild(sourceDc, null, null, null, false);
}
public void rebuild(String sourceDc, String keyspace, String tokens, String specificSources)
{
rebuild(sourceDc, keyspace, tokens, specificSources, false);
}
public void rebuild(String sourceDc, String keyspace, String tokens, String specificSources, boolean excludeLocalDatacenterNodes)
{
// fail if source DC is local and --exclude-local-dc is set
if (sourceDc != null && sourceDc.equals(DatabaseDescriptor.getLocalDataCenter()) && excludeLocalDatacenterNodes)
{
throw new IllegalArgumentException("Cannot set source data center to be local data center, when excludeLocalDataCenter flag is set");
}
if (sourceDc != null)
{
TokenMetadata.Topology topology = getTokenMetadata().cloneOnlyTokenMap().getTopology();
Set availableDCs = topology.getDatacenterEndpoints().keySet();
if (!availableDCs.contains(sourceDc))
{
throw new IllegalArgumentException(String.format("Provided datacenter '%s' is not a valid datacenter, available datacenters are: %s",
sourceDc, String.join(",", availableDCs)));
}
}
if (keyspace == null && tokens != null)
{
throw new IllegalArgumentException("Cannot specify tokens without keyspace.");
}
// check ongoing rebuild
if (!isRebuilding.compareAndSet(false, true))
{
throw new IllegalStateException("Node is still rebuilding. Check nodetool netstats.");
}
try
{
logger.info("rebuild from dc: {}, {}, {}", sourceDc == null ? "(any dc)" : sourceDc,
keyspace == null ? "(All keyspaces)" : keyspace,
tokens == null ? "(All tokens)" : tokens);
repairPaxosForTopologyChange("rebuild");
RangeStreamer streamer = new RangeStreamer(tokenMetadata,
null,
FBUtilities.getBroadcastAddressAndPort(),
StreamOperation.REBUILD,
useStrictConsistency && !replacing,
DatabaseDescriptor.getEndpointSnitch(),
streamStateStore,
false,
DatabaseDescriptor.getStreamingConnectionsPerHost());
if (sourceDc != null)
streamer.addSourceFilter(new RangeStreamer.SingleDatacenterFilter(DatabaseDescriptor.getEndpointSnitch(), sourceDc));
if (excludeLocalDatacenterNodes)
streamer.addSourceFilter(new RangeStreamer.ExcludeLocalDatacenterFilter(DatabaseDescriptor.getEndpointSnitch()));
if (keyspace == null)
{
for (String keyspaceName : Schema.instance.distributedKeyspaces().names())
streamer.addRanges(keyspaceName, getLocalReplicas(keyspaceName));
}
else if (tokens == null)
{
streamer.addRanges(keyspace, getLocalReplicas(keyspace));
}
else
{
Token.TokenFactory factory = getTokenFactory();
List> ranges = new ArrayList<>();
Pattern rangePattern = Pattern.compile("\\(\\s*(-?\\w+)\\s*,\\s*(-?\\w+)\\s*\\]");
try (Scanner tokenScanner = new Scanner(tokens))
{
while (tokenScanner.findInLine(rangePattern) != null)
{
MatchResult range = tokenScanner.match();
Token startToken = factory.fromString(range.group(1));
Token endToken = factory.fromString(range.group(2));
logger.info("adding range: ({},{}]", startToken, endToken);
ranges.add(new Range<>(startToken, endToken));
}
if (tokenScanner.hasNext())
throw new IllegalArgumentException("Unexpected string: " + tokenScanner.next());
}
// Ensure all specified ranges are actually ranges owned by this host
RangesAtEndpoint localReplicas = getLocalReplicas(keyspace);
RangesAtEndpoint.Builder streamRanges = new RangesAtEndpoint.Builder(FBUtilities.getBroadcastAddressAndPort(), ranges.size());
for (Range specifiedRange : ranges)
{
boolean foundParentRange = false;
for (Replica localReplica : localReplicas)
{
if (localReplica.contains(specifiedRange))
{
streamRanges.add(localReplica.decorateSubrange(specifiedRange));
foundParentRange = true;
break;
}
}
if (!foundParentRange)
{
throw new IllegalArgumentException(String.format("The specified range %s is not a range that is owned by this node. Please ensure that all token ranges specified to be rebuilt belong to this node.", specifiedRange.toString()));
}
}
if (specificSources != null)
{
String[] stringHosts = specificSources.split(",");
Set sources = new HashSet<>(stringHosts.length);
for (String stringHost : stringHosts)
{
try
{
InetAddressAndPort endpoint = InetAddressAndPort.getByName(stringHost);
if (FBUtilities.getBroadcastAddressAndPort().equals(endpoint))
{
throw new IllegalArgumentException("This host was specified as a source for rebuilding. Sources for a rebuild can only be other nodes in the cluster.");
}
sources.add(endpoint);
}
catch (UnknownHostException ex)
{
throw new IllegalArgumentException("Unknown host specified " + stringHost, ex);
}
}
streamer.addSourceFilter(new RangeStreamer.AllowedSourcesFilter(sources));
}
streamer.addRanges(keyspace, streamRanges.build());
}
StreamResultFuture resultFuture = streamer.fetchAsync();
// wait for result
resultFuture.get();
}
catch (InterruptedException e)
{
throw new UncheckedInterruptedException(e);
}
catch (ExecutionException e)
{
// This is used exclusively through JMX, so log the full trace but only throw a simple RTE
logger.error("Error while rebuilding node", e.getCause());
throw new RuntimeException("Error while rebuilding node: " + e.getCause().getMessage());
}
finally
{
// rebuild is done (successfully or not)
isRebuilding.set(false);
}
}
public void setRpcTimeout(long value)
{
DatabaseDescriptor.setRpcTimeout(value);
logger.info("set rpc timeout to {} ms", value);
}
public long getRpcTimeout()
{
return DatabaseDescriptor.getRpcTimeout(MILLISECONDS);
}
public void setReadRpcTimeout(long value)
{
DatabaseDescriptor.setReadRpcTimeout(value);
logger.info("set read rpc timeout to {} ms", value);
}
public long getReadRpcTimeout()
{
return DatabaseDescriptor.getReadRpcTimeout(MILLISECONDS);
}
public void setRangeRpcTimeout(long value)
{
DatabaseDescriptor.setRangeRpcTimeout(value);
logger.info("set range rpc timeout to {} ms", value);
}
public long getRangeRpcTimeout()
{
return DatabaseDescriptor.getRangeRpcTimeout(MILLISECONDS);
}
public void setWriteRpcTimeout(long value)
{
DatabaseDescriptor.setWriteRpcTimeout(value);
logger.info("set write rpc timeout to {} ms", value);
}
public long getWriteRpcTimeout()
{
return DatabaseDescriptor.getWriteRpcTimeout(MILLISECONDS);
}
public void setInternodeTcpConnectTimeoutInMS(int value)
{
DatabaseDescriptor.setInternodeTcpConnectTimeoutInMS(value);
logger.info("set internode tcp connect timeout to {} ms", value);
}
public int getInternodeTcpConnectTimeoutInMS()
{
return DatabaseDescriptor.getInternodeTcpConnectTimeoutInMS();
}
public void setInternodeTcpUserTimeoutInMS(int value)
{
DatabaseDescriptor.setInternodeTcpUserTimeoutInMS(value);
logger.info("set internode tcp user timeout to {} ms", value);
}
public int getInternodeTcpUserTimeoutInMS()
{
return DatabaseDescriptor.getInternodeTcpUserTimeoutInMS();
}
public void setInternodeStreamingTcpUserTimeoutInMS(int value)
{
Preconditions.checkArgument(value >= 0, "TCP user timeout cannot be negative for internode streaming connection. Got %s", value);
DatabaseDescriptor.setInternodeStreamingTcpUserTimeoutInMS(value);
logger.info("set internode streaming tcp user timeout to {} ms", value);
}
public int getInternodeStreamingTcpUserTimeoutInMS()
{
return DatabaseDescriptor.getInternodeStreamingTcpUserTimeoutInMS();
}
public void setCounterWriteRpcTimeout(long value)
{
DatabaseDescriptor.setCounterWriteRpcTimeout(value);
logger.info("set counter write rpc timeout to {} ms", value);
}
public long getCounterWriteRpcTimeout()
{
return DatabaseDescriptor.getCounterWriteRpcTimeout(MILLISECONDS);
}
public void setCasContentionTimeout(long value)
{
DatabaseDescriptor.setCasContentionTimeout(value);
logger.info("set cas contention rpc timeout to {} ms", value);
}
public long getCasContentionTimeout()
{
return DatabaseDescriptor.getCasContentionTimeout(MILLISECONDS);
}
public void setTruncateRpcTimeout(long value)
{
DatabaseDescriptor.setTruncateRpcTimeout(value);
logger.info("set truncate rpc timeout to {} ms", value);
}
public long getTruncateRpcTimeout()
{
return DatabaseDescriptor.getTruncateRpcTimeout(MILLISECONDS);
}
/** @deprecated See CASSANDRA-15234 */
@Deprecated(since = "4.1")
public void setStreamThroughputMbPerSec(int value)
{
setStreamThroughputMbitPerSec(value);
}
public void setStreamThroughputMbitPerSec(int value)
{
double oldValue = DatabaseDescriptor.getStreamThroughputOutboundMegabitsPerSecAsDouble();
DatabaseDescriptor.setStreamThroughputOutboundMegabitsPerSec(value);
StreamManager.StreamRateLimiter.updateThroughput();
logger.info("setstreamthroughput: throttle set to {}{} megabits per second (was approximately {} megabits per second)",
value, value <= 0 ? " (unlimited)" : "", oldValue);
}
public void setStreamThroughputMebibytesPerSec(int value)
{
double oldValue = DatabaseDescriptor.getStreamThroughputOutboundMebibytesPerSec();
DatabaseDescriptor.setStreamThroughputOutboundMebibytesPerSecAsInt(value);
StreamManager.StreamRateLimiter.updateThroughput();
logger.info("setstreamthroughput: throttle set to {}{} MiB/s (was {} MiB/s)", value, value <= 0 ? " (unlimited)" : "", oldValue);
}
public double getStreamThroughputMebibytesPerSecAsDouble()
{
return DatabaseDescriptor.getStreamThroughputOutboundMebibytesPerSec();
}
public int getStreamThroughputMebibytesPerSec()
{
return DatabaseDescriptor.getStreamThroughputOutboundMebibytesPerSecAsInt();
}
/** @deprecated See CASSANDRA-15234 */
@Deprecated(since = "4.1")
public int getStreamThroughputMbPerSec()
{
return getStreamThroughputMbitPerSec();
}
/** @deprecated See CASSANDRA-17225 */
@Deprecated(since = "4.1")
public int getStreamThroughputMbitPerSec()
{
return DatabaseDescriptor.getStreamThroughputOutboundMegabitsPerSec();
}
public double getStreamThroughputMbitPerSecAsDouble()
{
return DatabaseDescriptor.getStreamThroughputOutboundMegabitsPerSecAsDouble();
}
public void setEntireSSTableStreamThroughputMebibytesPerSec(int value)
{
double oldValue = DatabaseDescriptor.getEntireSSTableStreamThroughputOutboundMebibytesPerSec();
DatabaseDescriptor.setEntireSSTableStreamThroughputOutboundMebibytesPerSec(value);
StreamManager.StreamRateLimiter.updateEntireSSTableThroughput();
logger.info("setstreamthroughput (entire SSTable): throttle set to {}{} MiB/s (was {} MiB/s)",
value, value <= 0 ? " (unlimited)" : "", oldValue);
}
public double getEntireSSTableStreamThroughputMebibytesPerSecAsDouble()
{
return DatabaseDescriptor.getEntireSSTableStreamThroughputOutboundMebibytesPerSec();
}
/** @deprecated See CASSANDRA-15234 */
@Deprecated(since = "4.1")
public void setInterDCStreamThroughputMbPerSec(int value)
{
setInterDCStreamThroughputMbitPerSec(value);
}
public void setInterDCStreamThroughputMbitPerSec(int value)
{
double oldValue = DatabaseDescriptor.getInterDCStreamThroughputOutboundMegabitsPerSecAsDouble();
DatabaseDescriptor.setInterDCStreamThroughputOutboundMegabitsPerSec(value);
StreamManager.StreamRateLimiter.updateInterDCThroughput();
logger.info("setinterdcstreamthroughput: throttle set to {}{} megabits per second (was {} megabits per second)", value, value <= 0 ? " (unlimited)" : "", oldValue);
}
/** @deprecated See CASSANDRA-15234 */
@Deprecated(since = "4.1")
public int getInterDCStreamThroughputMbPerSec()
{
return getInterDCStreamThroughputMbitPerSec();
}
/** @deprecated See CASSANDRA-17225 */
@Deprecated(since = "4.1")
public int getInterDCStreamThroughputMbitPerSec()
{
return DatabaseDescriptor.getInterDCStreamThroughputOutboundMegabitsPerSec();
}
public double getInterDCStreamThroughputMbitPerSecAsDouble()
{
return DatabaseDescriptor.getInterDCStreamThroughputOutboundMegabitsPerSecAsDouble();
}
public void setInterDCStreamThroughputMebibytesPerSec(int value)
{
double oldValue = DatabaseDescriptor.getInterDCStreamThroughputOutboundMebibytesPerSec();
DatabaseDescriptor.setInterDCStreamThroughputOutboundMebibytesPerSecAsInt(value);
StreamManager.StreamRateLimiter.updateInterDCThroughput();
logger.info("setinterdcstreamthroughput: throttle set to {}{} MiB/s (was {} MiB/s)", value, value <= 0 ? " (unlimited)" : "", oldValue);
}
public int getInterDCStreamThroughputMebibytesPerSec()
{
return DatabaseDescriptor.getInterDCStreamThroughputOutboundMebibytesPerSecAsInt();
}
public double getInterDCStreamThroughputMebibytesPerSecAsDouble()
{
return DatabaseDescriptor.getInterDCStreamThroughputOutboundMebibytesPerSec();
}
public void setEntireSSTableInterDCStreamThroughputMebibytesPerSec(int value)
{
double oldValue = DatabaseDescriptor.getEntireSSTableInterDCStreamThroughputOutboundMebibytesPerSec();
DatabaseDescriptor.setEntireSSTableInterDCStreamThroughputOutboundMebibytesPerSec(value);
StreamManager.StreamRateLimiter.updateEntireSSTableInterDCThroughput();
logger.info("setinterdcstreamthroughput (entire SSTable): throttle set to {}{} MiB/s (was {} MiB/s)", value, value <= 0 ? " (unlimited)" : "", oldValue);
}
public double getEntireSSTableInterDCStreamThroughputMebibytesPerSecAsDouble()
{
return DatabaseDescriptor.getEntireSSTableInterDCStreamThroughputOutboundMebibytesPerSec();
}
public double getCompactionThroughtputMibPerSecAsDouble()
{
return DatabaseDescriptor.getCompactionThroughputMebibytesPerSec();
}
public long getCompactionThroughtputBytesPerSec()
{
return (long)DatabaseDescriptor.getCompactionThroughputBytesPerSec();
}
/** @deprecated See CASSANDRA-17225 */
@Deprecated(since = "4.1")
public int getCompactionThroughputMbPerSec()
{
return DatabaseDescriptor.getCompactionThroughputMebibytesPerSecAsInt();
}
public void setCompactionThroughputMbPerSec(int value)
{
double oldValue = DatabaseDescriptor.getCompactionThroughputMebibytesPerSec();
DatabaseDescriptor.setCompactionThroughputMebibytesPerSec(value);
double valueInBytes = value * 1024.0 * 1024.0;
CompactionManager.instance.setRateInBytes(valueInBytes);
logger.info("compactionthroughput: throttle set to {} mebibytes per second (was {} mebibytes per second)",
value, oldValue);
}
@Override
public int getCompressedReadAheadBufferInKB()
{
return DatabaseDescriptor.getCompressedReadAheadBufferSizeInKB();
}
@Override
public void setCompressedReadAheadBufferInKB(int sizeInKb)
{
DatabaseDescriptor.setCompressedReadAheadBufferSizeInKb(sizeInKb);
logger.info("set compressed read ahead buffer size to {}KiB", sizeInKb);
}
public int getBatchlogReplayThrottleInKB()
{
return DatabaseDescriptor.getBatchlogReplayThrottleInKiB();
}
public void setBatchlogReplayThrottleInKB(int throttleInKB)
{
DatabaseDescriptor.setBatchlogReplayThrottleInKiB(throttleInKB);
BatchlogManager.instance.setRate(throttleInKB);
}
public int getConcurrentCompactors()
{
return DatabaseDescriptor.getConcurrentCompactors();
}
public void setConcurrentCompactors(int value)
{
if (value <= 0)
throw new IllegalArgumentException("Number of concurrent compactors should be greater than 0.");
DatabaseDescriptor.setConcurrentCompactors(value);
CompactionManager.instance.setConcurrentCompactors(value);
}
public void bypassConcurrentValidatorsLimit()
{
logger.info("Enabling the ability to set concurrent validations to an unlimited value");
DatabaseDescriptor.allowUnlimitedConcurrentValidations = true ;
}
public void enforceConcurrentValidatorsLimit()
{
logger.info("Disabling the ability to set concurrent validations to an unlimited value");
DatabaseDescriptor.allowUnlimitedConcurrentValidations = false ;
}
public boolean isConcurrentValidatorsLimitEnforced()
{
return DatabaseDescriptor.allowUnlimitedConcurrentValidations;
}
@Override
public int getConcurrentIndexBuilders()
{
return DatabaseDescriptor.getConcurrentIndexBuilders();
}
@Override
public void setConcurrentIndexBuilders(int value)
{
if (value <= 0)
throw new IllegalArgumentException("Number of concurrent index builders should be greater than 0.");
DatabaseDescriptor.setConcurrentIndexBuilders(value);
CompactionManager.instance.setConcurrentIndexBuilders(value);
}
public int getConcurrentValidators()
{
return DatabaseDescriptor.getConcurrentValidations();
}
public void setConcurrentValidators(int value)
{
int concurrentCompactors = DatabaseDescriptor.getConcurrentCompactors();
if (value > concurrentCompactors && !DatabaseDescriptor.allowUnlimitedConcurrentValidations)
throw new IllegalArgumentException(
String.format("Cannot set concurrent_validations greater than concurrent_compactors (%d)",
concurrentCompactors));
if (value <= 0)
{
logger.info("Using default value of concurrent_compactors ({}) for concurrent_validations", concurrentCompactors);
value = concurrentCompactors;
}
else
{
logger.info("Setting concurrent_validations to {}", value);
}
DatabaseDescriptor.setConcurrentValidations(value);
CompactionManager.instance.setConcurrentValidations();
}
public int getConcurrentViewBuilders()
{
return DatabaseDescriptor.getConcurrentViewBuilders();
}
public void setConcurrentViewBuilders(int value)
{
if (value <= 0)
throw new IllegalArgumentException("Number of concurrent view builders should be greater than 0.");
DatabaseDescriptor.setConcurrentViewBuilders(value);
CompactionManager.instance.setConcurrentViewBuilders(DatabaseDescriptor.getConcurrentViewBuilders());
}
public boolean isIncrementalBackupsEnabled()
{
return DatabaseDescriptor.isIncrementalBackupsEnabled();
}
public void setIncrementalBackupsEnabled(boolean value)
{
DatabaseDescriptor.setIncrementalBackupsEnabled(value);
}
@VisibleForTesting // only used by test
public void setMovingModeUnsafe()
{
setMode(Mode.MOVING, true);
}
/**
* Only used in jvm dtest when not using GOSSIP.
* See org.apache.cassandra.distributed.impl.Instance#startup(org.apache.cassandra.distributed.api.ICluster)
*/
@VisibleForTesting
public void setNormalModeUnsafe()
{
setMode(Mode.NORMAL, true);
}
@VisibleForTesting
public void setStartingModeUnsafe()
{
setMode(Mode.STARTING, true);
}
private void setMode(Mode m, boolean log)
{
setMode(m, null, log);
}
private void setMode(Mode m, String msg, boolean log)
{
operationMode = m;
String logMsg = msg == null ? m.toString() : String.format("%s: %s", m, msg);
if (log)
logger.info(logMsg);
else
logger.debug(logMsg);
}
@VisibleForTesting
public Collection prepareForBootstrap(long schemaTimeoutMillis, long ringTimeoutMillis)
{
Set collisions = new HashSet<>();
if (SystemKeyspace.bootstrapInProgress())
logger.warn("Detected previous bootstrap failure; retrying");
else
SystemKeyspace.setBootstrapState(SystemKeyspace.BootstrapState.IN_PROGRESS);
setMode(Mode.JOINING, "waiting for ring information", true);
waitForSchema(schemaTimeoutMillis, ringTimeoutMillis);
setMode(Mode.JOINING, "schema complete, ready to bootstrap", true);
setMode(Mode.JOINING, "waiting for pending range calculation", true);
PendingRangeCalculatorService.instance.blockUntilFinished();
setMode(Mode.JOINING, "calculation complete, ready to bootstrap", true);
logger.debug("... got ring + schema info");
if (useStrictConsistency && !allowSimultaneousMoves() &&
(
tokenMetadata.getBootstrapTokens().valueSet().size() > 0 ||
tokenMetadata.getSizeOfLeavingEndpoints() > 0 ||
tokenMetadata.getSizeOfMovingEndpoints() > 0
))
{
String bootstrapTokens = StringUtils.join(tokenMetadata.getBootstrapTokens().valueSet(), ',');
String leavingTokens = StringUtils.join(tokenMetadata.getLeavingEndpoints(), ',');
String movingTokens = StringUtils.join(tokenMetadata.getMovingEndpoints().stream().map(e -> e.right).toArray(), ',');
throw new UnsupportedOperationException(String.format("Other bootstrapping/leaving/moving nodes detected, cannot bootstrap while %s is true. Nodes detected, bootstrapping: %s; leaving: %s; moving: %s;",
CONSISTENT_RANGE_MOVEMENT.getKey(), bootstrapTokens, leavingTokens, movingTokens));
}
// get bootstrap tokens
if (!replacing)
{
if (tokenMetadata.isMember(FBUtilities.getBroadcastAddressAndPort()))
{
String s = "This node is already a member of the token ring; bootstrap aborted. (If replacing a dead node, remove the old one from the ring first.)";
throw new UnsupportedOperationException(s);
}
setMode(Mode.JOINING, "getting bootstrap token", true);
bootstrapTokens = BootStrapper.getBootstrapTokens(tokenMetadata, FBUtilities.getBroadcastAddressAndPort(), schemaTimeoutMillis, ringTimeoutMillis);
}
else
{
if (!isReplacingSameAddress())
{
// Historically BROADCAST_INTERVAL was used, but this is unrelated to ring_delay, so using it to know
// how long to sleep only works with the default settings (ring_delay=30s, broadcast=60s). For users
// who are aware of this relationship, this coupling should not be broken, but for most users this
// relationship isn't known and instead we should rely on the ring_delay.
// See CASSANDRA-17776
long sleepDelayMillis = Math.max(LoadBroadcaster.BROADCAST_INTERVAL, ringTimeoutMillis * 2);
try
{
// Sleep additionally to make sure that the server actually is not alive
// and giving it more time to gossip if alive.
logger.info("Sleeping for {}ms waiting to make sure no new gossip updates happen for {}", sleepDelayMillis, DatabaseDescriptor.getReplaceAddress());
Thread.sleep(sleepDelayMillis);
}
catch (InterruptedException e)
{
throw new UncheckedInterruptedException(e);
}
// check for operator errors...
long nanoDelay = MILLISECONDS.toNanos(ringTimeoutMillis);
for (Token token : bootstrapTokens)
{
InetAddressAndPort existing = tokenMetadata.getEndpoint(token);
if (existing != null)
{
EndpointState endpointStateForExisting = Gossiper.instance.getEndpointStateForEndpoint(existing);
long updateTimestamp = endpointStateForExisting.getUpdateTimestamp();
long allowedDelay = nanoTime() - nanoDelay;
// if the node was updated within the ring delay or the node is alive, we should fail
if (updateTimestamp > allowedDelay || endpointStateForExisting.isAlive())
{
logger.error("Unable to replace node for token={}. The node is reporting as {}alive with updateTimestamp={}, allowedDelay={}",
token, endpointStateForExisting.isAlive() ? "" : "not ", updateTimestamp, allowedDelay);
throw new UnsupportedOperationException("Cannot replace a live node... ");
}
collisions.add(existing);
}
else
{
throw new UnsupportedOperationException("Cannot replace token " + token + " which does not exist!");
}
}
}
else
{
try
{
Thread.sleep(RING_DELAY_MILLIS);
}
catch (InterruptedException e)
{
throw new UncheckedInterruptedException(e);
}
}
setMode(Mode.JOINING, "Replacing a node with token(s): " + bootstrapTokens, true);
}
return collisions;
}
/**
* Bootstrap node by fetching data from other nodes.
* If node is bootstrapping as a new node, then this also announces bootstrapping to the cluster.
*
* This blocks until streaming is done.
*
* @param tokens bootstrapping tokens
* @return true if bootstrap succeeds.
*/
@VisibleForTesting
public boolean bootstrap(final Collection tokens, long bootstrapTimeoutMillis)
{
isBootstrapMode = true;
SystemKeyspace.updateTokens(tokens); // DON'T use setToken, that makes us part of the ring locally which is incorrect until we are done bootstrapping
if (!replacing || !isReplacingSameAddress())
{
// if not an existing token then bootstrap
List> states = new ArrayList<>();
states.add(Pair.create(ApplicationState.TOKENS, valueFactory.tokens(tokens)));
states.add(Pair.create(ApplicationState.STATUS_WITH_PORT, replacing?
valueFactory.bootReplacingWithPort(DatabaseDescriptor.getReplaceAddress()) :
valueFactory.bootstrapping(tokens)));
states.add(Pair.create(ApplicationState.STATUS, replacing ?
valueFactory.bootReplacing(DatabaseDescriptor.getReplaceAddress().getAddress()) :
valueFactory.bootstrapping(tokens)));
Gossiper.instance.addLocalApplicationStates(states);
setMode(Mode.JOINING, "sleeping " + RING_DELAY_MILLIS + " ms for pending range setup", true);
Uninterruptibles.sleepUninterruptibly(RING_DELAY_MILLIS, MILLISECONDS);
}
else
{
// Dont set any state for the node which is bootstrapping the existing token...
tokenMetadata.updateNormalTokens(tokens, FBUtilities.getBroadcastAddressAndPort());
SystemKeyspace.removeEndpoint(DatabaseDescriptor.getReplaceAddress());
}
if (!Gossiper.instance.seenAnySeed())
throw new IllegalStateException("Unable to contact any seeds: " + Gossiper.instance.getSeeds());
if (RESET_BOOTSTRAP_PROGRESS.getBoolean())
{
logger.info("Resetting bootstrap progress to start fresh");
SystemKeyspace.resetAvailableStreamedRanges();
}
// Force disk boundary invalidation now that local tokens are set
invalidateLocalRanges();
repairPaxosForTopologyChange("bootstrap");
Future bootstrapStream = startBootstrap(tokens);
try
{
if (bootstrapTimeoutMillis > 0)
bootstrapStream.get(bootstrapTimeoutMillis, MILLISECONDS);
else
bootstrapStream.get();
bootstrapFinished();
logger.info("Bootstrap completed for tokens {}", tokens);
return true;
}
catch (Throwable e)
{
logger.error("Error while waiting on bootstrap to complete. Bootstrap will have to be restarted.", e);
setMode(JOINING_FAILED, true);
return false;
}
}
public Future startBootstrap(Collection tokens)
{
return startBootstrap(tokens, replacing);
}
public Future startBootstrap(Collection tokens, boolean replacing)
{
setMode(Mode.JOINING, "Starting to bootstrap...", true);
BootStrapper bootstrapper = new BootStrapper(FBUtilities.getBroadcastAddressAndPort(), tokens, tokenMetadata);
bootstrapper.addProgressListener(progressSupport);
return bootstrapper.bootstrap(streamStateStore, useStrictConsistency && !replacing); // handles token update
}
private void invalidateLocalRanges()
{
for (Keyspace keyspace : Keyspace.all())
{
for (ColumnFamilyStore cfs : keyspace.getColumnFamilyStores())
{
for (final ColumnFamilyStore store : cfs.concatWithIndexes())
{
store.invalidateLocalRanges();
}
}
}
}
/**
* All MVs have been created during bootstrap, so mark them as built
*/
private void markViewsAsBuilt()
{
for (String keyspace : Schema.instance.getUserKeyspaces())
{
for (ViewMetadata view: Schema.instance.getKeyspaceMetadata(keyspace).views)
SystemKeyspace.finishViewBuildStatus(view.keyspace(), view.name());
}
}
/**
* Called when bootstrap did finish successfully
*/
private void bootstrapFinished()
{
markViewsAsBuilt();
isBootstrapMode = false;
}
@Override
public String getBootstrapState()
{
return SystemKeyspace.getBootstrapState().name();
}
public boolean resumeBootstrap()
{
if (isBootstrapMode && SystemKeyspace.bootstrapInProgress())
{
logger.info("Resuming bootstrap...");
// get bootstrap tokens saved in system keyspace
final Collection tokens = SystemKeyspace.getSavedTokens();
// already bootstrapped ranges are filtered during bootstrap
BootStrapper bootstrapper = new BootStrapper(FBUtilities.getBroadcastAddressAndPort(), tokens, tokenMetadata);
bootstrapper.addProgressListener(progressSupport);
Future bootstrapStream = bootstrapper.bootstrap(streamStateStore, useStrictConsistency && !replacing); // handles token update
bootstrapStream.addCallback(new FutureCallback()
{
@Override
public void onSuccess(StreamState streamState)
{
try
{
bootstrapFinished();
if (isSurveyMode)
{
logger.info("Startup complete, but write survey mode is active, not becoming an active ring member. Use JMX (StorageService->joinRing()) to finalize ring joining.");
}
else
{
isSurveyMode = false;
progressSupport.progress("bootstrap", ProgressEvent.createNotification("Joining ring..."));
finishJoiningRing(true, bootstrapTokens);
doAuthSetup(false);
}
progressSupport.progress("bootstrap", new ProgressEvent(ProgressEventType.COMPLETE, 1, 1, "Resume bootstrap complete"));
if (!isNativeTransportRunning())
daemon.initializeClientTransports();
daemon.start();
logger.info("Resume complete");
}
catch(Exception e)
{
onFailure(e);
throw e;
}
}
@Override
public void onFailure(Throwable e)
{
String message = "Error during bootstrap: ";
if (e instanceof ExecutionException && e.getCause() != null)
{
message += e.getCause().getMessage();
}
else
{
message += e.getMessage();
}
logger.error(message, e);
progressSupport.progress("bootstrap", new ProgressEvent(ProgressEventType.ERROR, 1, 1, message));
progressSupport.progress("bootstrap", new ProgressEvent(ProgressEventType.COMPLETE, 1, 1, "Resume bootstrap complete"));
}
});
return true;
}
else
{
logger.info("Resuming bootstrap is requested, but the node is already bootstrapped.");
return false;
}
}
public Map> getConcurrency(List stageNames)
{
Stream stageStream = stageNames.isEmpty() ? stream(Stage.values()) : stageNames.stream().map(Stage::fromPoolName);
return stageStream.collect(toMap(s -> s.jmxName,
s -> Arrays.asList(s.getCorePoolSize(), s.getMaximumPoolSize())));
}
public void setConcurrency(String threadPoolName, int newCorePoolSize, int newMaximumPoolSize)
{
Stage stage = Stage.fromPoolName(threadPoolName);
if (newCorePoolSize >= 0)
stage.setCorePoolSize(newCorePoolSize);
stage.setMaximumPoolSize(newMaximumPoolSize);
}
public boolean isBootstrapMode()
{
return isBootstrapMode;
}
public TokenMetadata getTokenMetadata()
{
return tokenMetadata;
}
public Map, List> getRangeToEndpointMap(String keyspace)
{
return getRangeToEndpointMap(keyspace, false);
}
public Map, List> getRangeToEndpointWithPortMap(String keyspace)
{
return getRangeToEndpointMap(keyspace, true);
}
/**
* for a keyspace, return the ranges and corresponding listen addresses.
* @param keyspace
* @return the endpoint map
*/
public Map, List> getRangeToEndpointMap(String keyspace, boolean withPort)
{
/* All the ranges for the tokens */
Map, List> map = new HashMap<>();
for (Map.Entry, EndpointsForRange> entry : getRangeToAddressMap(keyspace).entrySet())
{
map.put(entry.getKey().asList(), Replicas.stringify(entry.getValue(), withPort));
}
return map;
}
/**
* Return the native address associated with an endpoint as a string.
* @param endpoint The endpoint to get rpc address for
* @return the native address
*/
public String getNativeaddress(InetAddressAndPort endpoint, boolean withPort)
{
if (endpoint.equals(FBUtilities.getBroadcastAddressAndPort()))
return FBUtilities.getBroadcastNativeAddressAndPort().getHostAddress(withPort);
else if (Gossiper.instance.getEndpointStateForEndpoint(endpoint).getApplicationState(ApplicationState.NATIVE_ADDRESS_AND_PORT) != null)
{
try
{
InetAddressAndPort address = InetAddressAndPort.getByName(Gossiper.instance.getEndpointStateForEndpoint(endpoint).getApplicationState(ApplicationState.NATIVE_ADDRESS_AND_PORT).value);
return address.getHostAddress(withPort);
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
}
else
{
final String ipAddress;
// If RPC_ADDRESS present in gossip for this endpoint use it. This is expected for 3.x nodes.
if (Gossiper.instance.getEndpointStateForEndpoint(endpoint).getApplicationState(ApplicationState.RPC_ADDRESS) != null)
{
ipAddress = Gossiper.instance.getEndpointStateForEndpoint(endpoint).getApplicationState(ApplicationState.RPC_ADDRESS).value;
}
else
{
// otherwise just use the IP of the endpoint itself.
ipAddress = endpoint.getHostAddress(false);
}
// include the configured native_transport_port.
try
{
InetAddressAndPort address = InetAddressAndPort.getByNameOverrideDefaults(ipAddress, DatabaseDescriptor.getNativeTransportPort());
return address.getHostAddress(withPort);
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
}
}
public Map, List> getRangeToRpcaddressMap(String keyspace)
{
return getRangeToNativeaddressMap(keyspace, false);
}
public Map, List> getRangeToNativeaddressWithPortMap(String keyspace)
{
return getRangeToNativeaddressMap(keyspace, true);
}
/**
* for a keyspace, return the ranges and corresponding RPC addresses for a given keyspace.
* @param keyspace
* @return the endpoint map
*/
private Map, List> getRangeToNativeaddressMap(String keyspace, boolean withPort)
{
/* All the ranges for the tokens */
Map, List> map = new HashMap<>();
for (Map.Entry, EndpointsForRange> entry : getRangeToAddressMap(keyspace).entrySet())
{
List rpcaddrs = new ArrayList<>(entry.getValue().size());
for (Replica replicas: entry.getValue())
{
rpcaddrs.add(getNativeaddress(replicas.endpoint(), withPort));
}
map.put(entry.getKey().asList(), rpcaddrs);
}
return map;
}
public Map, List> getPendingRangeToEndpointMap(String keyspace)
{
return getPendingRangeToEndpointMap(keyspace, false);
}
public Map, List> getPendingRangeToEndpointWithPortMap(String keyspace)
{
return getPendingRangeToEndpointMap(keyspace, true);
}
private Map, List> getPendingRangeToEndpointMap(String keyspace, boolean withPort)
{
// some people just want to get a visual representation of things. Allow null and set it to the first
// non-system keyspace.
if (keyspace == null)
keyspace = Schema.instance.distributedKeyspaces().iterator().next().name;
Map, List> map = new HashMap<>();
for (Map.Entry, EndpointsForRange> entry : tokenMetadata.getPendingRangesMM(keyspace).asMap().entrySet())
{
map.put(entry.getKey().asList(), Replicas.stringify(entry.getValue(), withPort));
}
return map;
}
public EndpointsByRange getRangeToAddressMap(String keyspace)
{
return getRangeToAddressMap(keyspace, tokenMetadata.sortedTokens());
}
public EndpointsByRange getRangeToAddressMapInLocalDC(String keyspace)
{
Predicate isLocalDC = replica -> isLocalDC(replica.endpoint());
EndpointsByRange origMap = getRangeToAddressMap(keyspace, getTokensInLocalDC());
Map, EndpointsForRange> filteredMap = Maps.newHashMap();
for (Map.Entry, EndpointsForRange> entry : origMap.entrySet())
{
EndpointsForRange endpointsInLocalDC = entry.getValue().filter(isLocalDC);
filteredMap.put(entry.getKey(), endpointsInLocalDC);
}
return new EndpointsByRange(filteredMap);
}
private List getTokensInLocalDC()
{
List filteredTokens = Lists.newArrayList();
for (Token token : tokenMetadata.sortedTokens())
{
InetAddressAndPort endpoint = tokenMetadata.getEndpoint(token);
if (isLocalDC(endpoint))
filteredTokens.add(token);
}
return filteredTokens;
}
private boolean isLocalDC(InetAddressAndPort targetHost)
{
String remoteDC = DatabaseDescriptor.getEndpointSnitch().getDatacenter(targetHost);
String localDC = DatabaseDescriptor.getEndpointSnitch().getLocalDatacenter();
return remoteDC.equals(localDC);
}
private EndpointsByRange getRangeToAddressMap(String keyspace, List sortedTokens)
{
// some people just want to get a visual representation of things. Allow null and set it to the first
// non-system keyspace.
if (keyspace == null)
keyspace = Schema.instance.distributedKeyspaces().iterator().next().name;
List> ranges = getAllRanges(sortedTokens);
return constructRangeToEndpointMap(keyspace, ranges);
}
public List describeRingJMX(String keyspace) throws IOException
{
return describeRingJMX(keyspace, false);
}
public List describeRingWithPortJMX(String keyspace) throws IOException
{
return describeRingJMX(keyspace,true);
}
/**
* The same as {@code describeRing(String)} but converts TokenRange to the String for JMX compatibility
*
* @param keyspace The keyspace to fetch information about
*
* @return a List of TokenRange(s) converted to String for the given keyspace
*/
private List describeRingJMX(String keyspace, boolean withPort) throws IOException
{
List tokenRanges;
try
{
tokenRanges = describeRing(keyspace, false, withPort);
}
catch (InvalidRequestException e)
{
throw new IOException(e.getMessage());
}
List result = new ArrayList<>(tokenRanges.size());
for (TokenRange tokenRange : tokenRanges)
result.add(tokenRange.toString(withPort));
return result;
}
/**
* The TokenRange for a given keyspace.
*
* @param keyspace The keyspace to fetch information about
*
* @return a List of TokenRange(s) for the given keyspace
*
* @throws InvalidRequestException if there is no ring information available about keyspace
*/
public List describeRing(String keyspace) throws InvalidRequestException
{
return describeRing(keyspace, false, false);
}
/**
* The same as {@code describeRing(String)} but considers only the part of the ring formed by nodes in the local DC.
*/
public List describeLocalRing(String keyspace) throws InvalidRequestException
{
return describeRing(keyspace, true, false);
}
private List describeRing(String keyspace, boolean includeOnlyLocalDC, boolean withPort) throws InvalidRequestException
{
if (!Schema.instance.getKeyspaces().contains(keyspace))
throw new InvalidRequestException("No such keyspace: " + keyspace);
if (keyspace == null || Keyspace.open(keyspace).getReplicationStrategy() instanceof LocalStrategy)
throw new InvalidRequestException("There is no ring for the keyspace: " + keyspace);
List ranges = new ArrayList<>();
Token.TokenFactory tf = getTokenFactory();
EndpointsByRange rangeToAddressMap =
includeOnlyLocalDC
? getRangeToAddressMapInLocalDC(keyspace)
: getRangeToAddressMap(keyspace);
for (Map.Entry, EndpointsForRange> entry : rangeToAddressMap.entrySet())
ranges.add(TokenRange.create(tf, entry.getKey(), ImmutableList.copyOf(entry.getValue().endpoints()), withPort));
return ranges;
}
public Map getTokenToEndpointMap()
{
return getTokenToEndpointMap(false);
}
public Map getTokenToEndpointWithPortMap()
{
return getTokenToEndpointMap(true);
}
private Map getTokenToEndpointMap(boolean withPort)
{
Map mapInetAddress = tokenMetadata.getNormalAndBootstrappingTokenToEndpointMap();
// in order to preserve tokens in ascending order, we use LinkedHashMap here
Map mapString = new LinkedHashMap<>(mapInetAddress.size());
List tokens = new ArrayList<>(mapInetAddress.keySet());
Collections.sort(tokens);
for (Token token : tokens)
{
mapString.put(token.toString(), mapInetAddress.get(token).getHostAddress(withPort));
}
return mapString;
}
public String getLocalHostId()
{
UUID id = getLocalHostUUID();
return id != null ? id.toString() : null;
}
public UUID getLocalHostUUID()
{
UUID id = getTokenMetadata().getHostId(FBUtilities.getBroadcastAddressAndPort());
if (id != null)
return id;
// this condition is to prevent accessing the tables when the node is not started yet, and in particular,
// when it is not going to be started at all (e.g. when running some unit tests or client tools).
else if ((DatabaseDescriptor.isDaemonInitialized() || DatabaseDescriptor.isToolInitialized()) && CommitLog.instance.isStarted())
return SystemKeyspace.getLocalHostId();
return null;
}
public Map getHostIdMap()
{
return getEndpointToHostId();
}
public Map getEndpointToHostId()
{
return getEndpointToHostId(false);
}
public Map getEndpointWithPortToHostId()
{
return getEndpointToHostId(true);
}
private Map getEndpointToHostId(boolean withPort)
{
Map mapOut = new HashMap<>();
for (Map.Entry entry : getTokenMetadata().getEndpointToHostIdMapForReading().entrySet())
mapOut.put(entry.getKey().getHostAddress(withPort), entry.getValue().toString());
return mapOut;
}
public Map getHostIdToEndpoint()
{
return getHostIdToEndpoint(false);
}
public Map getHostIdToEndpointWithPort()
{
return getHostIdToEndpoint(true);
}
private Map getHostIdToEndpoint(boolean withPort)
{
Map mapOut = new HashMap<>();
for (Map.Entry entry : getTokenMetadata().getEndpointToHostIdMapForReading().entrySet())
mapOut.put(entry.getValue().toString(), entry.getKey().getHostAddress(withPort));
return mapOut;
}
/**
* Construct the range to endpoint mapping based on the true view
* of the world.
* @param ranges
* @return mapping of ranges to the replicas responsible for them.
*/
private EndpointsByRange constructRangeToEndpointMap(String keyspace, List> ranges)
{
AbstractReplicationStrategy strategy = Keyspace.open(keyspace).getReplicationStrategy();
Map, EndpointsForRange> rangeToEndpointMap = new HashMap<>(ranges.size());
for (Range range : ranges)
rangeToEndpointMap.put(range, strategy.getNaturalReplicas(range.right));
return new EndpointsByRange(rangeToEndpointMap);
}
public void beforeChange(InetAddressAndPort endpoint, EndpointState currentState, ApplicationState newStateKey, VersionedValue newValue)
{
// no-op
}
/*
* Handle the reception of a new particular ApplicationState for a particular endpoint. Note that the value of the
* ApplicationState has not necessarily "changed" since the last known value, if we already received the same update
* from somewhere else.
*
* onChange only ever sees one ApplicationState piece change at a time (even if many ApplicationState updates were
* received at the same time), so we perform a kind of state machine here. We are concerned with two events: knowing
* the token associated with an endpoint, and knowing its operation mode. Nodes can start in either bootstrap or
* normal mode, and from bootstrap mode can change mode to normal. A node in bootstrap mode needs to have
* pendingranges set in TokenMetadata; a node in normal mode should instead be part of the token ring.
*
* Normal progression of ApplicationState.STATUS values for a node should be like this:
* STATUS_BOOTSTRAPPING,token
* if bootstrapping. stays this way until all files are received.
* STATUS_NORMAL,token
* ready to serve reads and writes.
* STATUS_LEAVING,token
* get ready to leave the cluster as part of a decommission
* STATUS_LEFT,token
* set after decommission is completed.
*
* Other STATUS values that may be seen (possibly anywhere in the normal progression):
* STATUS_MOVING,newtoken
* set if node is currently moving to a new token in the ring
* REMOVING_TOKEN,deadtoken
* set if the node is dead and is being removed by its REMOVAL_COORDINATOR
* REMOVED_TOKEN,deadtoken
* set if the node is dead and has been removed by its REMOVAL_COORDINATOR
*
* Note: Any time a node state changes from STATUS_NORMAL, it will not be visible to new nodes. So it follows that
* you should never bootstrap a new node during a removenode, decommission or move.
*/
public void onChange(InetAddressAndPort endpoint, ApplicationState state, VersionedValue value)
{
if (state == ApplicationState.STATUS || state == ApplicationState.STATUS_WITH_PORT)
{
String[] pieces = splitValue(value);
assert (pieces.length > 0);
String moveName = pieces[0];
switch (moveName)
{
case VersionedValue.STATUS_BOOTSTRAPPING_REPLACE:
handleStateBootreplacing(endpoint, pieces);
break;
case VersionedValue.STATUS_BOOTSTRAPPING:
handleStateBootstrap(endpoint);
break;
case VersionedValue.STATUS_NORMAL:
handleStateNormal(endpoint, VersionedValue.STATUS_NORMAL);
break;
case VersionedValue.SHUTDOWN:
handleStateNormal(endpoint, VersionedValue.SHUTDOWN);
break;
case VersionedValue.REMOVING_TOKEN:
case VersionedValue.REMOVED_TOKEN:
handleStateRemoving(endpoint, pieces);
break;
case VersionedValue.STATUS_LEAVING:
handleStateLeaving(endpoint);
break;
case VersionedValue.STATUS_LEFT:
handleStateLeft(endpoint, pieces);
break;
case VersionedValue.STATUS_MOVING:
handleStateMoving(endpoint, pieces);
break;
}
}
else
{
if (state == ApplicationState.INDEX_STATUS)
{
updateIndexStatus(endpoint, value);
return;
}
EndpointState epState = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
if (epState == null || Gossiper.instance.isDeadState(epState))
{
logger.debug("Ignoring state change for dead or unknown endpoint: {}", endpoint);
return;
}
if (getTokenMetadata().isMember(endpoint))
{
switch (state)
{
case RELEASE_VERSION:
SystemKeyspace.updatePeerInfo(endpoint, "release_version", value.value);
break;
case DC:
updateTopology(endpoint);
SystemKeyspace.updatePeerInfo(endpoint, "data_center", value.value);
break;
case RACK:
updateTopology(endpoint);
SystemKeyspace.updatePeerInfo(endpoint, "rack", value.value);
break;
case RPC_ADDRESS:
try
{
SystemKeyspace.updatePeerInfo(endpoint, "rpc_address", InetAddress.getByName(value.value));
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
break;
case NATIVE_ADDRESS_AND_PORT:
try
{
InetAddressAndPort address = InetAddressAndPort.getByName(value.value);
SystemKeyspace.updatePeerNativeAddress(endpoint, address);
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
break;
case SCHEMA:
SystemKeyspace.updatePeerInfo(endpoint, "schema_version", UUID.fromString(value.value));
break;
case HOST_ID:
SystemKeyspace.updatePeerInfo(endpoint, "host_id", UUID.fromString(value.value));
break;
case RPC_READY:
notifyRpcChange(endpoint, epState.isRpcReady());
break;
case NET_VERSION:
updateNetVersion(endpoint, value);
break;
}
}
else
{
logger.debug("Ignoring application state {} from {} because it is not a member in token metadata",
state, endpoint);
}
}
}
private static String[] splitValue(VersionedValue value)
{
return value.value.split(VersionedValue.DELIMITER_STR, -1);
}
private void updateIndexStatus(InetAddressAndPort endpoint, VersionedValue versionedValue)
{
IndexStatusManager.instance.receivePeerIndexStatus(endpoint, versionedValue);
}
private void updateNetVersion(InetAddressAndPort endpoint, VersionedValue value)
{
try
{
MessagingService.instance().versions.set(endpoint, Integer.parseInt(value.value));
}
catch (NumberFormatException e)
{
throw new AssertionError("Got invalid value for NET_VERSION application state: " + value.value);
}
}
public void updateTopology(InetAddressAndPort endpoint)
{
if (getTokenMetadata().isMember(endpoint))
{
getTokenMetadata().updateTopology(endpoint);
}
}
public void updateTopology()
{
getTokenMetadata().updateTopology();
}
private void updatePeerInfo(InetAddressAndPort endpoint)
{
EndpointState epState = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
InetAddress native_address = null;
int native_port = DatabaseDescriptor.getNativeTransportPort();
for (Map.Entry entry : epState.states())
{
switch (entry.getKey())
{
case RELEASE_VERSION:
SystemKeyspace.updatePeerInfo(endpoint, "release_version", entry.getValue().value);
break;
case DC:
SystemKeyspace.updatePeerInfo(endpoint, "data_center", entry.getValue().value);
break;
case RACK:
SystemKeyspace.updatePeerInfo(endpoint, "rack", entry.getValue().value);
break;
case RPC_ADDRESS:
try
{
native_address = InetAddress.getByName(entry.getValue().value);
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
break;
case NATIVE_ADDRESS_AND_PORT:
try
{
InetAddressAndPort address = InetAddressAndPort.getByName(entry.getValue().value);
native_address = address.getAddress();
native_port = address.getPort();
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
break;
case SCHEMA:
SystemKeyspace.updatePeerInfo(endpoint, "schema_version", UUID.fromString(entry.getValue().value));
break;
case HOST_ID:
SystemKeyspace.updatePeerInfo(endpoint, "host_id", UUID.fromString(entry.getValue().value));
break;
case INDEX_STATUS:
// Need to set the peer index status in SIM here
// to ensure the status is correct before the node
// fully joins the ring
updateIndexStatus(endpoint, entry.getValue());
break;
}
}
//Some tests won't set all the states
if (native_address != null)
{
SystemKeyspace.updatePeerNativeAddress(endpoint,
InetAddressAndPort.getByAddressOverrideDefaults(native_address,
native_port));
}
}
private void notifyRpcChange(InetAddressAndPort endpoint, boolean ready)
{
if (ready)
notifyUp(endpoint);
else
notifyDown(endpoint);
}
private void notifyUp(InetAddressAndPort endpoint)
{
if (!isRpcReady(endpoint) || !Gossiper.instance.isAlive(endpoint))
return;
for (IEndpointLifecycleSubscriber subscriber : lifecycleSubscribers)
subscriber.onUp(endpoint);
}
private void notifyDown(InetAddressAndPort endpoint)
{
for (IEndpointLifecycleSubscriber subscriber : lifecycleSubscribers)
subscriber.onDown(endpoint);
}
private void notifyJoined(InetAddressAndPort endpoint)
{
if (!isStatus(endpoint, VersionedValue.STATUS_NORMAL))
return;
for (IEndpointLifecycleSubscriber subscriber : lifecycleSubscribers)
subscriber.onJoinCluster(endpoint);
}
private void notifyMoved(InetAddressAndPort endpoint)
{
for (IEndpointLifecycleSubscriber subscriber : lifecycleSubscribers)
subscriber.onMove(endpoint);
}
private void notifyLeft(InetAddressAndPort endpoint)
{
for (IEndpointLifecycleSubscriber subscriber : lifecycleSubscribers)
subscriber.onLeaveCluster(endpoint);
}
private boolean isStatus(InetAddressAndPort endpoint, String status)
{
EndpointState state = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
return state != null && state.getStatus().equals(status);
}
public boolean isRpcReady(InetAddressAndPort endpoint)
{
EndpointState state = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
return state != null && state.isRpcReady();
}
/**
* Set the RPC status. Because when draining a node we need to set the RPC
* status to not ready, and drain is called by the shutdown hook, it may be that value is false
* and there is no local endpoint state. In this case it's OK to just do nothing. Therefore,
* we assert that the local endpoint state is not null only when value is true.
*
* @param value - true indicates that RPC is ready, false indicates the opposite.
*/
public void setRpcReady(boolean value)
{
EndpointState state = Gossiper.instance.getEndpointStateForEndpoint(FBUtilities.getBroadcastAddressAndPort());
// if value is false we're OK with a null state, if it is true we are not.
assert !value || state != null;
if (state != null)
Gossiper.instance.addLocalApplicationState(ApplicationState.RPC_READY, valueFactory.rpcReady(value));
}
public Collection getTokensFor(InetAddressAndPort endpoint)
{
try
{
EndpointState state = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
if (state == null)
return Collections.emptyList();
VersionedValue versionedValue = state.getApplicationState(ApplicationState.TOKENS);
if (versionedValue == null)
return Collections.emptyList();
return TokenSerializer.deserialize(tokenMetadata.partitioner, new DataInputStream(new ByteArrayInputStream(versionedValue.toBytes())));
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
/**
* Handle node bootstrap
*
* @param endpoint bootstrapping node
*/
private void handleStateBootstrap(InetAddressAndPort endpoint)
{
Collection tokens;
// explicitly check for TOKENS, because a bootstrapping node might be bootstrapping in legacy mode; that is, not using vnodes and no token specified
tokens = getTokensFor(endpoint);
if (logger.isDebugEnabled())
logger.debug("Node {} state bootstrapping, token {}", endpoint, tokens);
// if this node is present in token metadata, either we have missed intermediate states
// or the node had crashed. Print warning if needed, clear obsolete stuff and
// continue.
if (tokenMetadata.isMember(endpoint))
{
// If isLeaving is false, we have missed both LEAVING and LEFT. However, if
// isLeaving is true, we have only missed LEFT. Waiting time between completing
// leave operation and rebootstrapping is relatively short, so the latter is quite
// common (not enough time for gossip to spread). Therefore we report only the
// former in the log.
if (!tokenMetadata.isLeaving(endpoint))
logger.info("Node {} state jump to bootstrap", endpoint);
tokenMetadata.removeEndpoint(endpoint);
}
tokenMetadata.addBootstrapTokens(tokens, endpoint);
PendingRangeCalculatorService.instance.update();
tokenMetadata.updateHostId(Gossiper.instance.getHostId(endpoint), endpoint);
}
private void handleStateBootreplacing(InetAddressAndPort newNode, String[] pieces)
{
InetAddressAndPort oldNode;
try
{
oldNode = InetAddressAndPort.getByName(pieces[1]);
}
catch (Exception e)
{
logger.error("Node {} tried to replace malformed endpoint {}.", newNode, pieces[1], e);
return;
}
if (FailureDetector.instance.isAlive(oldNode))
{
throw new RuntimeException(String.format("Node %s is trying to replace alive node %s.", newNode, oldNode));
}
Optional replacingNode = tokenMetadata.getReplacingNode(newNode);
if (replacingNode.isPresent() && !replacingNode.get().equals(oldNode))
{
throw new RuntimeException(String.format("Node %s is already replacing %s but is trying to replace %s.",
newNode, replacingNode.get(), oldNode));
}
Collection tokens = getTokensFor(newNode);
if (logger.isDebugEnabled())
logger.debug("Node {} is replacing {}, tokens {}", newNode, oldNode, tokens);
tokenMetadata.addReplaceTokens(tokens, newNode, oldNode);
PendingRangeCalculatorService.instance.update();
tokenMetadata.updateHostId(Gossiper.instance.getHostId(newNode), newNode);
}
private void ensureUpToDateTokenMetadata(String status, InetAddressAndPort endpoint)
{
Set tokens = new TreeSet<>(getTokensFor(endpoint));
if (logger.isDebugEnabled())
logger.debug("Node {} state {}, tokens {}", endpoint, status, tokens);
// If the node is previously unknown or tokens do not match, update tokenmetadata to
// have this node as 'normal' (it must have been using this token before the
// leave). This way we'll get pending ranges right.
if (!tokenMetadata.isMember(endpoint))
{
logger.info("Node {} state jump to {}", endpoint, status);
updateTokenMetadata(endpoint, tokens);
}
else if (!tokens.equals(new TreeSet<>(tokenMetadata.getTokens(endpoint))))
{
logger.warn("Node {} '{}' token mismatch. Long network partition?", endpoint, status);
updateTokenMetadata(endpoint, tokens);
}
}
private void updateTokenMetadata(InetAddressAndPort endpoint, Iterable tokens)
{
updateTokenMetadata(endpoint, tokens, new HashSet<>());
}
private void updateTokenMetadata(InetAddressAndPort endpoint, Iterable tokens, Set endpointsToRemove)
{
Set tokensToUpdateInMetadata = new HashSet<>();
Set tokensToUpdateInSystemKeyspace = new HashSet<>();
for (final Token token : tokens)
{
// we don't want to update if this node is responsible for the token and it has a later startup time than endpoint.
InetAddressAndPort currentOwner = tokenMetadata.getEndpoint(token);
if (currentOwner == null)
{
logger.debug("New node {} at token {}", endpoint, token);
tokensToUpdateInMetadata.add(token);
tokensToUpdateInSystemKeyspace.add(token);
}
else if (endpoint.equals(currentOwner))
{
// set state back to normal, since the node may have tried to leave, but failed and is now back up
tokensToUpdateInMetadata.add(token);
tokensToUpdateInSystemKeyspace.add(token);
}
// Note: in test scenarios, there may not be any delta between the heartbeat generations of the old
// and new nodes, so we first check whether the new endpoint is marked as a replacement for the old.
else if (endpoint.equals(tokenMetadata.getReplacementNode(currentOwner).orElse(null)) || Gossiper.instance.compareEndpointStartup(endpoint, currentOwner) > 0)
{
tokensToUpdateInMetadata.add(token);
tokensToUpdateInSystemKeyspace.add(token);
// currentOwner is no longer current, endpoint is. Keep track of these moves, because when
// a host no longer has any tokens, we'll want to remove it.
Multimap epToTokenCopy = getTokenMetadata().getEndpointToTokenMapForReading();
epToTokenCopy.get(currentOwner).remove(token);
if (epToTokenCopy.get(currentOwner).isEmpty())
endpointsToRemove.add(currentOwner);
logger.info("Nodes {} and {} have the same token {}. {} is the new owner", endpoint, currentOwner, token, endpoint);
}
else
{
logger.info("Nodes {} and {} have the same token {}. Ignoring {}", endpoint, currentOwner, token, endpoint);
}
}
tokenMetadata.updateNormalTokens(tokensToUpdateInMetadata, endpoint);
for (InetAddressAndPort ep : endpointsToRemove)
{
removeEndpoint(ep);
if (replacing && ep.equals(DatabaseDescriptor.getReplaceAddress()))
Gossiper.instance.replacementQuarantine(ep); // quarantine locally longer than normally; see CASSANDRA-8260
}
if (!tokensToUpdateInSystemKeyspace.isEmpty())
SystemKeyspace.updateTokens(endpoint, tokensToUpdateInSystemKeyspace);
// Tokens changed, the local range ownership probably changed too.
invalidateLocalRanges();
}
@VisibleForTesting
public boolean isReplacingSameHostAddressAndHostId(UUID hostId)
{
try
{
return isReplacingSameAddress() &&
Gossiper.instance.getEndpointStateForEndpoint(DatabaseDescriptor.getReplaceAddress()) != null
&& hostId.equals(Gossiper.instance.getHostId(DatabaseDescriptor.getReplaceAddress()));
}
catch (RuntimeException ex)
{
// If a host is decomissioned and the DNS entry is removed before the
// bootstrap completes, when it completes and advertises NORMAL state to other nodes, they will be unable
// to resolve it to an InetAddress unless it happens to be cached. This could happen on nodes
// storing large amounts of data or with long index rebuild times or if new instances have been added
// to the cluster through expansion or additional host replacement.
//
// The original host replacement must have been able to resolve the replacing address on startup
// when setting StorageService.replacing, so if it is impossible to resolve now it is probably
// decommissioned and did not have the same IP address or host id. Allow the handleStateNormal
// handling to proceed, otherwise gossip state will be inconistent with some nodes believing the
// replacement host to be normal, and nodes unable to resolve the hostname will be left in JOINING.
if (ex.getCause() != null && ex.getCause().getClass() == UnknownHostException.class)
{
logger.info("Suppressed exception while checking isReplacingSameHostAddressAndHostId({}). Original host was probably decommissioned. ({})",
hostId, ex.getMessage());
return false;
}
throw ex; // otherwise rethrow
}
}
/**
* Handle node move to normal state. That is, node is entering token ring and participating
* in reads.
*
* @param endpoint node
*/
private void handleStateNormal(final InetAddressAndPort endpoint, final String status)
{
Collection tokens = getTokensFor(endpoint);
Set endpointsToRemove = new HashSet<>();
if (logger.isDebugEnabled())
logger.debug("Node {} state {}, token {}", endpoint, status, tokens);
if (tokenMetadata.isMember(endpoint))
logger.info("Node {} state jump to {}", endpoint, status);
if (tokens.isEmpty() && status.equals(VersionedValue.STATUS_NORMAL))
logger.error("Node {} is in state normal but it has no tokens, state: {}",
endpoint,
Gossiper.instance.getEndpointStateForEndpoint(endpoint));
Optional replacingNode = tokenMetadata.getReplacingNode(endpoint);
if (replacingNode.isPresent())
{
assert !endpoint.equals(replacingNode.get()) : "Pending replacement endpoint with same address is not supported";
logger.info("Node {} will complete replacement of {} for tokens {}", endpoint, replacingNode.get(), tokens);
if (FailureDetector.instance.isAlive(replacingNode.get()))
{
logger.error("Node {} cannot complete replacement of alive node {}.", endpoint, replacingNode.get());
return;
}
endpointsToRemove.add(replacingNode.get());
}
Optional replacementNode = tokenMetadata.getReplacementNode(endpoint);
if (replacementNode.isPresent())
{
logger.warn("Node {} is currently being replaced by node {}.", endpoint, replacementNode.get());
}
updatePeerInfo(endpoint);
// Order Matters, TM.updateHostID() should be called before TM.updateNormalToken(), (see CASSANDRA-4300).
UUID hostId = Gossiper.instance.getHostId(endpoint);
InetAddressAndPort existing = tokenMetadata.getEndpointForHostId(hostId);
if (replacing && isReplacingSameHostAddressAndHostId(hostId))
{
logger.warn("Not updating token metadata for {} because I am replacing it", endpoint);
}
else
{
if (existing != null && !existing.equals(endpoint))
{
if (existing.equals(FBUtilities.getBroadcastAddressAndPort()))
{
logger.warn("Not updating host ID {} for {} because it's mine", hostId, endpoint);
tokenMetadata.removeEndpoint(endpoint);
endpointsToRemove.add(endpoint);
}
else if (Gossiper.instance.compareEndpointStartup(endpoint, existing) > 0)
{
logger.warn("Host ID collision for {} between {} and {}; {} is the new owner", hostId, existing, endpoint, endpoint);
tokenMetadata.removeEndpoint(existing);
endpointsToRemove.add(existing);
tokenMetadata.updateHostId(hostId, endpoint);
}
else
{
logger.warn("Host ID collision for {} between {} and {}; ignored {}", hostId, existing, endpoint, endpoint);
tokenMetadata.removeEndpoint(endpoint);
endpointsToRemove.add(endpoint);
}
}
else
tokenMetadata.updateHostId(hostId, endpoint);
}
// capture because updateNormalTokens clears moving and member status
boolean isMember = tokenMetadata.isMember(endpoint);
boolean isMoving = tokenMetadata.isMoving(endpoint);
updateTokenMetadata(endpoint, tokens, endpointsToRemove);
if (isMoving || operationMode == Mode.MOVING)
{
tokenMetadata.removeFromMoving(endpoint);
// The above may change the local ownership.
invalidateLocalRanges();
notifyMoved(endpoint);
}
else if (!isMember) // prior to this, the node was not a member
{
notifyJoined(endpoint);
}
PendingRangeCalculatorService.instance.update();
}
/**
* Handle node preparing to leave the ring
*
* @param endpoint node
*/
private void handleStateLeaving(InetAddressAndPort endpoint)
{
// If the node is previously unknown or tokens do not match, update tokenmetadata to
// have this node as 'normal' (it must have been using this token before the
// leave). This way we'll get pending ranges right.
ensureUpToDateTokenMetadata(VersionedValue.STATUS_LEAVING, endpoint);
// at this point the endpoint is certainly a member with this token, so let's proceed
// normally
tokenMetadata.addLeavingEndpoint(endpoint);
PendingRangeCalculatorService.instance.update();
}
/**
* Handle node leaving the ring. This will happen when a node is decommissioned
*
* @param endpoint If reason for leaving is decommission, endpoint is the leaving node.
* @param pieces STATE_LEFT,token
*/
private void handleStateLeft(InetAddressAndPort endpoint, String[] pieces)
{
assert pieces.length >= 2;
Collection tokens = getTokensFor(endpoint);
if (logger.isDebugEnabled())
logger.debug("Node {} state left, tokens {}", endpoint, tokens);
excise(tokens, endpoint, extractExpireTime(pieces));
}
/**
* Handle node moving inside the ring.
*
* @param endpoint moving endpoint address
* @param pieces STATE_MOVING, token
*/
private void handleStateMoving(InetAddressAndPort endpoint, String[] pieces)
{
ensureUpToDateTokenMetadata(VersionedValue.STATUS_MOVING, endpoint);
assert pieces.length >= 2;
Token token = getTokenFactory().fromString(pieces[1]);
if (logger.isDebugEnabled())
logger.debug("Node {} state moving, new token {}", endpoint, token);
tokenMetadata.addMovingEndpoint(token, endpoint);
PendingRangeCalculatorService.instance.update();
}
/**
* Handle notification that a node being actively removed from the ring via 'removenode'
*
* @param endpoint node
* @param pieces either REMOVED_TOKEN (node is gone) or REMOVING_TOKEN (replicas need to be restored)
*/
private void handleStateRemoving(InetAddressAndPort endpoint, String[] pieces)
{
assert (pieces.length > 0);
if (endpoint.equals(FBUtilities.getBroadcastAddressAndPort()))
{
logger.info("Received removenode gossip about myself. Is this node rejoining after an explicit removenode?");
try
{
drain();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
return;
}
if (tokenMetadata.isMember(endpoint))
{
String state = pieces[0];
Collection removeTokens = tokenMetadata.getTokens(endpoint);
if (VersionedValue.REMOVED_TOKEN.equals(state))
{
excise(removeTokens, endpoint, extractExpireTime(pieces));
}
else if (VersionedValue.REMOVING_TOKEN.equals(state))
{
ensureUpToDateTokenMetadata(state, endpoint);
if (logger.isDebugEnabled())
logger.debug("Tokens {} removed manually (endpoint was {})", removeTokens, endpoint);
// Note that the endpoint is being removed
tokenMetadata.addLeavingEndpoint(endpoint);
PendingRangeCalculatorService.instance.update();
// find the endpoint coordinating this removal that we need to notify when we're done
String[] coordinator = splitValue(Gossiper.instance.getEndpointStateForEndpoint(endpoint).getApplicationState(ApplicationState.REMOVAL_COORDINATOR));
UUID hostId = UUID.fromString(coordinator[1]);
// grab any data we are now responsible for and notify responsible node
restoreReplicaCount(endpoint, tokenMetadata.getEndpointForHostId(hostId));
}
}
else // now that the gossiper has told us about this nonexistent member, notify the gossiper to remove it
{
if (VersionedValue.REMOVED_TOKEN.equals(pieces[0]))
addExpireTimeIfFound(endpoint, extractExpireTime(pieces));
removeEndpoint(endpoint);
}
}
private void excise(Collection tokens, InetAddressAndPort endpoint)
{
logger.info("Removing tokens {} for {}", tokens, endpoint);
UUID hostId = tokenMetadata.getHostId(endpoint);
if (hostId != null && tokenMetadata.isMember(endpoint))
{
// enough time for writes to expire and MessagingService timeout reporter callback to fire, which is where
// hints are mostly written from - using getMinRpcTimeout() / 2 for the interval.
long delay = DatabaseDescriptor.getMinRpcTimeout(MILLISECONDS) + DatabaseDescriptor.getWriteRpcTimeout(MILLISECONDS);
ScheduledExecutors.optionalTasks.schedule(() -> HintsService.instance.excise(hostId), delay, MILLISECONDS);
}
removeEndpoint(endpoint);
tokenMetadata.removeEndpoint(endpoint);
if (!tokens.isEmpty())
tokenMetadata.removeBootstrapTokens(tokens);
notifyLeft(endpoint);
PendingRangeCalculatorService.instance.update();
}
private void excise(Collection tokens, InetAddressAndPort endpoint, long expireTime)
{
addExpireTimeIfFound(endpoint, expireTime);
excise(tokens, endpoint);
}
/** unlike excise we just need this endpoint gone without going through any notifications **/
private void removeEndpoint(InetAddressAndPort endpoint)
{
Gossiper.runInGossipStageBlocking(() -> Gossiper.instance.removeEndpoint(endpoint));
SystemKeyspace.removeEndpoint(endpoint);
}
protected void addExpireTimeIfFound(InetAddressAndPort endpoint, long expireTime)
{
if (expireTime != 0L)
{
Gossiper.instance.addExpireTimeForEndpoint(endpoint, expireTime);
}
}
protected long extractExpireTime(String[] pieces)
{
return Long.parseLong(pieces[2]);
}
/**
* Finds living endpoints responsible for the given ranges
*
* @param keyspaceName the keyspace ranges belong to
* @param leavingReplicas the ranges to find sources for
* @return multimap of addresses to ranges the address is responsible for
*/
private Multimap getNewSourceReplicas(String keyspaceName, Set leavingReplicas)
{
InetAddressAndPort myAddress = FBUtilities.getBroadcastAddressAndPort();
EndpointsByRange rangeReplicas = Keyspace.open(keyspaceName).getReplicationStrategy().getRangeAddresses(tokenMetadata.cloneOnlyTokenMap());
Multimap sourceRanges = HashMultimap.create();
IFailureDetector failureDetector = FailureDetector.instance;
logger.debug("Getting new source replicas for {}", leavingReplicas);
// find alive sources for our new ranges
for (LeavingReplica leaver : leavingReplicas)
{
//We need this to find the replicas from before leaving to supply the data
Replica leavingReplica = leaver.leavingReplica;
//We need this to know what to fetch and what the transient status is
Replica ourReplica = leaver.ourReplica;
//If we are going to be a full replica only consider full replicas
Predicate replicaFilter = ourReplica.isFull() ? Replica::isFull : Predicates.alwaysTrue();
Predicate notSelf = replica -> !replica.endpoint().equals(myAddress);
EndpointsForRange possibleReplicas = rangeReplicas.get(leavingReplica.range());
logger.info("Possible replicas for newReplica {} are {}", ourReplica, possibleReplicas);
IEndpointSnitch snitch = DatabaseDescriptor.getEndpointSnitch();
EndpointsForRange sortedPossibleReplicas = snitch.sortedByProximity(myAddress, possibleReplicas);
logger.info("Sorted possible replicas starts as {}", sortedPossibleReplicas);
Optional myCurrentReplica = tryFind(possibleReplicas, replica -> replica.endpoint().equals(myAddress)).toJavaUtil();
boolean transientToFull = myCurrentReplica.isPresent() && myCurrentReplica.get().isTransient() && ourReplica.isFull();
assert !sortedPossibleReplicas.endpoints().contains(myAddress) || transientToFull : String.format("My address %s, sortedPossibleReplicas %s, myCurrentReplica %s, myNewReplica %s", myAddress, sortedPossibleReplicas, myCurrentReplica, ourReplica);
//Originally this didn't log if it couldn't restore replication and that seems wrong
boolean foundLiveReplica = false;
for (Replica possibleReplica : sortedPossibleReplicas.filter(Predicates.and(replicaFilter, notSelf)))
{
if (failureDetector.isAlive(possibleReplica.endpoint()))
{
foundLiveReplica = true;
sourceRanges.put(possibleReplica.endpoint(), new FetchReplica(ourReplica, possibleReplica));
break;
}
else
{
logger.debug("Skipping down replica {}", possibleReplica);
}
}
if (!foundLiveReplica)
{
logger.warn("Didn't find live replica to restore replication for " + ourReplica);
}
}
return sourceRanges;
}
/**
* Sends a notification to a node indicating we have finished replicating data.
*
* @param remote node to send notification to
*/
private void sendReplicationNotification(InetAddressAndPort remote)
{
// notify the remote token
Message msg = Message.out(REPLICATION_DONE_REQ, noPayload);
IFailureDetector failureDetector = FailureDetector.instance;
if (logger.isDebugEnabled())
logger.debug("Notifying {} of replication completion\n", remote);
while (failureDetector.isAlive(remote))
{
AsyncOneResponse ior = new AsyncOneResponse();
MessagingService.instance().sendWithCallback(msg, remote, ior);
if (!ior.awaitUninterruptibly(DatabaseDescriptor.getRpcTimeout(NANOSECONDS), NANOSECONDS))
continue; // try again if we timeout
if (!ior.isSuccess())
throw new AssertionError(ior.cause());
return;
}
}
private static class LeavingReplica
{
//The node that is leaving
private final Replica leavingReplica;
//Our range and transient status
private final Replica ourReplica;
public LeavingReplica(Replica leavingReplica, Replica ourReplica)
{
Preconditions.checkNotNull(leavingReplica);
Preconditions.checkNotNull(ourReplica);
this.leavingReplica = leavingReplica;
this.ourReplica = ourReplica;
}
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
LeavingReplica that = (LeavingReplica) o;
if (!leavingReplica.equals(that.leavingReplica)) return false;
return ourReplica.equals(that.ourReplica);
}
public int hashCode()
{
int result = leavingReplica.hashCode();
result = 31 * result + ourReplica.hashCode();
return result;
}
public String toString()
{
return "LeavingReplica{" +
"leavingReplica=" + leavingReplica +
", ourReplica=" + ourReplica +
'}';
}
}
/**
* Called when an endpoint is removed from the ring. This function checks
* whether this node becomes responsible for new ranges as a
* consequence and streams data if needed.
*
* This is rather ineffective, but it does not matter so much
* since this is called very seldom
*
* @param endpoint the node that left
*/
private void restoreReplicaCount(InetAddressAndPort endpoint, final InetAddressAndPort notifyEndpoint)
{
Map> replicasToFetch = new HashMap<>();
InetAddressAndPort myAddress = FBUtilities.getBroadcastAddressAndPort();
for (String keyspaceName : Schema.instance.distributedKeyspaces().names())
{
logger.debug("Restoring replica count for keyspace {}", keyspaceName);
EndpointsByReplica changedReplicas = getChangedReplicasForLeaving(keyspaceName, endpoint, tokenMetadata, Keyspace.open(keyspaceName).getReplicationStrategy());
Set myNewReplicas = new HashSet<>();
for (Map.Entry entry : changedReplicas.flattenEntries())
{
Replica replica = entry.getValue();
if (replica.endpoint().equals(myAddress))
{
//Maybe we don't technically need to fetch transient data from somewhere
//but it's probably not a lot and it probably makes things a hair more resilient to people
//not running repair when they should.
myNewReplicas.add(new LeavingReplica(entry.getKey(), entry.getValue()));
}
}
logger.debug("Changed replicas for leaving {}, myNewReplicas {}", changedReplicas, myNewReplicas);
replicasToFetch.put(keyspaceName, getNewSourceReplicas(keyspaceName, myNewReplicas));
}
StreamPlan stream = new StreamPlan(StreamOperation.RESTORE_REPLICA_COUNT);
replicasToFetch.forEach((keyspaceName, sources) -> {
logger.debug("Requesting keyspace {} sources", keyspaceName);
sources.asMap().forEach((sourceAddress, fetchReplicas) -> {
logger.debug("Source and our replicas are {}", fetchReplicas);
//Remember whether this node is providing the full or transient replicas for this range. We are going
//to pass streaming the local instance of Replica for the range which doesn't tell us anything about the source
//By encoding it as two separate sets we retain this information about the source.
RangesAtEndpoint full = fetchReplicas.stream()
.filter(f -> f.remote.isFull())
.map(f -> f.local)
.collect(RangesAtEndpoint.collector(myAddress));
RangesAtEndpoint transientReplicas = fetchReplicas.stream()
.filter(f -> f.remote.isTransient())
.map(f -> f.local)
.collect(RangesAtEndpoint.collector(myAddress));
if (logger.isDebugEnabled())
logger.debug("Requesting from {} full replicas {} transient replicas {}", sourceAddress, StringUtils.join(full, ", "), StringUtils.join(transientReplicas, ", "));
stream.requestRanges(sourceAddress, keyspaceName, full, transientReplicas);
});
});
StreamResultFuture future = stream.execute();
future.addCallback(new FutureCallback()
{
public void onSuccess(StreamState finalState)
{
sendReplicationNotification(notifyEndpoint);
}
public void onFailure(Throwable t)
{
logger.warn("Streaming to restore replica count failed", t);
// We still want to send the notification
sendReplicationNotification(notifyEndpoint);
}
});
}
/**
* This is used in three contexts, graceful decomission, and restoreReplicaCount/removeNode.
* Graceful decomission should never lose data and it's going to be important that transient data
* is streamed to at least one other node from this one for each range.
*
* For ranges this node replicates its removal should cause a new replica to be selected either as transient or full
* for every range. So I believe the current code doesn't have to do anything special because it will engage in streaming
* for every range it replicates to at least one other node and that should propagate the transient data that was here.
* When I graphed this out on paper the result of removal looked correct and there are no issues such as
* this node needing to create a full replica for a range it transiently replicates because what is created is just another
* transient replica to replace this node.
* @param keyspaceName
* @param endpoint
* @return
*/
// needs to be modified to accept either a keyspace or ARS.
static EndpointsByReplica getChangedReplicasForLeaving(String keyspaceName, InetAddressAndPort endpoint, TokenMetadata tokenMetadata, AbstractReplicationStrategy strat)
{
// First get all ranges the leaving endpoint is responsible for
RangesAtEndpoint replicas = strat.getAddressReplicas(endpoint);
if (logger.isDebugEnabled())
logger.debug("Node {} replicas [{}]", endpoint, StringUtils.join(replicas, ", "));
Map currentReplicaEndpoints = Maps.newHashMapWithExpectedSize(replicas.size());
// Find (for each range) all nodes that store replicas for these ranges as well
TokenMetadata metadata = tokenMetadata.cloneOnlyTokenMap(); // don't do this in the loop! #7758
for (Replica replica : replicas)
currentReplicaEndpoints.put(replica, strat.calculateNaturalReplicas(replica.range().right, metadata));
TokenMetadata temp = tokenMetadata.cloneAfterAllLeft();
// endpoint might or might not be 'leaving'. If it was not leaving (that is, removenode
// command was used), it is still present in temp and must be removed.
if (temp.isMember(endpoint))
temp.removeEndpoint(endpoint);
EndpointsByReplica.Builder changedRanges = new EndpointsByReplica.Builder();
// Go through the ranges and for each range check who will be
// storing replicas for these ranges when the leaving endpoint
// is gone. Whoever is present in newReplicaEndpoints list, but
// not in the currentReplicaEndpoints list, will be needing the
// range.
for (Replica replica : replicas)
{
EndpointsForRange newReplicaEndpoints = strat.calculateNaturalReplicas(replica.range().right, temp);
newReplicaEndpoints = newReplicaEndpoints.filter(newReplica -> {
Optional currentReplicaOptional =
tryFind(currentReplicaEndpoints.get(replica),
currentReplica -> newReplica.endpoint().equals(currentReplica.endpoint())
).toJavaUtil();
//If it is newly replicating then yes we must do something to get the data there
if (!currentReplicaOptional.isPresent())
return true;
Replica currentReplica = currentReplicaOptional.get();
//This transition requires streaming to occur
//Full -> transient is handled by nodetool cleanup
//transient -> transient and full -> full don't require any action
if (currentReplica.isTransient() && newReplica.isFull())
return true;
return false;
});
if (logger.isDebugEnabled())
if (newReplicaEndpoints.isEmpty())
logger.debug("Replica {} already in all replicas", replica);
else
logger.debug("Replica {} will be responsibility of {}", replica, StringUtils.join(newReplicaEndpoints, ", "));
changedRanges.putAll(replica, newReplicaEndpoints, Conflict.NONE);
}
return changedRanges.build();
}
public void onJoin(InetAddressAndPort endpoint, EndpointState epState)
{
// Explicitly process STATUS or STATUS_WITH_PORT before the other
// application states to maintain pre-4.0 semantics with the order
// they are processed. Otherwise the endpoint will not be added
// to TokenMetadata so non-STATUS* appstates will be ignored.
ApplicationState statusState = ApplicationState.STATUS_WITH_PORT;
VersionedValue statusValue;
statusValue = epState.getApplicationState(statusState);
if (statusValue == null)
{
statusState = ApplicationState.STATUS;
statusValue = epState.getApplicationState(statusState);
}
if (statusValue != null)
Gossiper.instance.doOnChangeNotifications(endpoint, statusState, statusValue);
for (Map.Entry entry : epState.states())
{
if (entry.getKey() == ApplicationState.STATUS_WITH_PORT || entry.getKey() == ApplicationState.STATUS)
continue;
Gossiper.instance.doOnChangeNotifications(endpoint, entry.getKey(), entry.getValue());
}
}
public void onAlive(InetAddressAndPort endpoint, EndpointState state)
{
if (tokenMetadata.isMember(endpoint))
notifyUp(endpoint);
}
public void onRemove(InetAddressAndPort endpoint)
{
tokenMetadata.removeEndpoint(endpoint);
PendingRangeCalculatorService.instance.update();
}
public void onDead(InetAddressAndPort endpoint, EndpointState state)
{
// interrupt any outbound connection; if the node is failing and we cannot reconnect,
// this will rapidly lower the number of bytes we are willing to queue to the node
MessagingService.instance().interruptOutbound(endpoint);
notifyDown(endpoint);
}
public void onRestart(InetAddressAndPort endpoint, EndpointState state)
{
// If we have restarted before the node was even marked down, we need to reset the connection pool
if (state.isAlive())
onDead(endpoint, state);
// Then, the node may have been upgraded and changed its messaging protocol version. If so, we
// want to update that before we mark the node live again to avoid problems like CASSANDRA-11128.
VersionedValue netVersion = state.getApplicationState(ApplicationState.NET_VERSION);
if (netVersion != null)
updateNetVersion(endpoint, netVersion);
}
@Override
public String getLoadString()
{
return FileUtils.stringifyFileSize(StorageMetrics.load.getCount());
}
@Override
public String getUncompressedLoadString()
{
return FileUtils.stringifyFileSize(StorageMetrics.uncompressedLoad.getCount());
}
public Map getLoadMapWithPort()
{
return getLoadMap(true);
}
public Map getLoadMap()
{
return getLoadMap(false);
}
private Map getLoadMap(boolean withPort)
{
Map map = new HashMap<>();
for (Map.Entry entry : LoadBroadcaster.instance.getLoadInfo().entrySet())
{
map.put(entry.getKey().getHostAddress(withPort), FileUtils.stringifyFileSize(entry.getValue()));
}
// gossiper doesn't see its own updates, so we need to special-case the local node
map.put(FBUtilities.getBroadcastAddressAndPort().getHostAddress(withPort), getLoadString());
return map;
}
// TODO
public final void deliverHints(String host)
{
throw new UnsupportedOperationException();
}
public Collection getLocalTokens()
{
Collection tokens = SystemKeyspace.getSavedTokens();
assert tokens != null && !tokens.isEmpty(); // should not be called before initServer sets this
return tokens;
}
@Nullable
public InetAddressAndPort getEndpointForHostId(UUID hostId)
{
return tokenMetadata.getEndpointForHostId(hostId);
}
@Nullable
public UUID getHostIdForEndpoint(InetAddressAndPort address)
{
return tokenMetadata.getHostId(address);
}
/* These methods belong to the MBean interface */
public List getTokens()
{
return getTokens(FBUtilities.getBroadcastAddressAndPort());
}
public List getTokens(String endpoint) throws UnknownHostException
{
return getTokens(InetAddressAndPort.getByName(endpoint));
}
private List getTokens(InetAddressAndPort endpoint)
{
List strTokens = new ArrayList<>();
for (Token tok : getTokenMetadata().getTokens(endpoint))
strTokens.add(tok.toString());
return strTokens;
}
public String getReleaseVersion()
{
return FBUtilities.getReleaseVersionString();
}
@Override
public String getGitSHA()
{
return FBUtilities.getGitSHA();
}
public String getSchemaVersion()
{
return Schema.instance.getVersion().toString();
}
public String getKeyspaceReplicationInfo(String keyspaceName)
{
Keyspace keyspaceInstance = Schema.instance.getKeyspaceInstance(keyspaceName);
if (keyspaceInstance == null)
throw new IllegalArgumentException(); // ideally should never happen
ReplicationParams replicationParams = keyspaceInstance.getMetadata().params.replication;
String replicationInfo = replicationParams.klass.getSimpleName() + " " + replicationParams.options.toString();
return replicationInfo;
}
/** @deprecated See CASSANDRA-7544 */
@Deprecated(since = "4.0")
public List getLeavingNodes()
{
return stringify(tokenMetadata.getLeavingEndpoints(), false);
}
public List getLeavingNodesWithPort()
{
return stringify(tokenMetadata.getLeavingEndpoints(), true);
}
/** @deprecated See CASSANDRA-7544 */
@Deprecated(since = "4.0")
public List getMovingNodes()
{
List endpoints = new ArrayList<>();
for (Pair node : tokenMetadata.getMovingEndpoints())
{
endpoints.add(node.right.getAddress().getHostAddress());
}
return endpoints;
}
public List getMovingNodesWithPort()
{
List endpoints = new ArrayList<>();
for (Pair node : tokenMetadata.getMovingEndpoints())
{
endpoints.add(node.right.getHostAddressAndPort());
}
return endpoints;
}
/** @deprecated See CASSANDRA-7544 */
@Deprecated(since = "4.0")
public List getJoiningNodes()
{
return stringify(tokenMetadata.getBootstrapTokens().valueSet(), false);
}
public List getJoiningNodesWithPort()
{
return stringify(tokenMetadata.getBootstrapTokens().valueSet(), true);
}
/** @deprecated See CASSANDRA-7544 */
@Deprecated(since = "4.0")
public List getLiveNodes()
{
return stringify(Gossiper.instance.getLiveMembers(), false);
}
public List getLiveNodesWithPort()
{
return stringify(Gossiper.instance.getLiveMembers(), true);
}
public Set getLiveRingMembers()
{
return getLiveRingMembers(false);
}
public Set getLiveRingMembers(boolean excludeDeadStates)
{
Set ret = new HashSet<>();
for (InetAddressAndPort ep : Gossiper.instance.getLiveMembers())
{
if (excludeDeadStates)
{
EndpointState epState = Gossiper.instance.getEndpointStateForEndpoint(ep);
if (epState == null || Gossiper.instance.isDeadState(epState))
continue;
}
if (tokenMetadata.isMember(ep))
ret.add(ep);
}
return ret;
}
/** @deprecated See CASSANDRA-7544 */
@Deprecated(since = "4.0")
public List getUnreachableNodes()
{
return stringify(Gossiper.instance.getUnreachableMembers(), false);
}
public List getUnreachableNodesWithPort()
{
return stringify(Gossiper.instance.getUnreachableMembers(), true);
}
@Override
public String[] getAllDataFileLocations()
{
return getCanonicalPaths(DatabaseDescriptor.getAllDataFileLocations());
}
private String[] getCanonicalPaths(String[] paths)
{
String[] locations = new String[paths.length];
for (int i = 0; i < paths.length; i++)
locations[i] = FileUtils.getCanonicalPath(paths[i]);
return locations;
}
@Override
public String[] getLocalSystemKeyspacesDataFileLocations()
{
return getCanonicalPaths(DatabaseDescriptor.getLocalSystemKeyspacesDataFileLocations());
}
@Override
public String[] getNonLocalSystemKeyspacesDataFileLocations()
{
return getCanonicalPaths(DatabaseDescriptor.getNonLocalSystemKeyspacesDataFileLocations());
}
public String getCommitLogLocation()
{
return FileUtils.getCanonicalPath(DatabaseDescriptor.getCommitLogLocation());
}
public String getSavedCachesLocation()
{
return FileUtils.getCanonicalPath(DatabaseDescriptor.getSavedCachesLocation());
}
private List stringify(Iterable endpoints, boolean withPort)
{
List stringEndpoints = new ArrayList<>();
for (InetAddressAndPort ep : endpoints)
{
stringEndpoints.add(ep.getHostAddress(withPort));
}
return stringEndpoints;
}
public int getCurrentGenerationNumber()
{
return Gossiper.instance.getCurrentGenerationNumber(FBUtilities.getBroadcastAddressAndPort());
}
public int forceKeyspaceCleanup(String keyspaceName, String... tables) throws IOException, ExecutionException, InterruptedException
{
return forceKeyspaceCleanup(0, keyspaceName, tables);
}
public int forceKeyspaceCleanup(int jobs, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
if (SchemaConstants.isLocalSystemKeyspace(keyspaceName))
throw new RuntimeException("Cleanup of the system keyspace is neither necessary nor wise");
if (!tokenMetadata.getPendingRanges(keyspaceName, getBroadcastAddressAndPort()).isEmpty())
throw new RuntimeException("Node is involved in cluster membership changes. Not safe to run cleanup.");
CompactionManager.AllSSTableOpStatus status = CompactionManager.AllSSTableOpStatus.SUCCESSFUL;
logger.info("Starting {} on {}.{}", OperationType.CLEANUP, keyspaceName, Arrays.toString(tableNames));
for (ColumnFamilyStore cfStore : getValidColumnFamilies(false, false, keyspaceName, tableNames))
{
CompactionManager.AllSSTableOpStatus oneStatus = cfStore.forceCleanup(jobs);
if (oneStatus != CompactionManager.AllSSTableOpStatus.SUCCESSFUL)
status = oneStatus;
}
logger.info("Completed {} with status {}", OperationType.CLEANUP, status);
return status.statusCode;
}
public int scrub(boolean disableSnapshot, boolean skipCorrupted, boolean checkData, boolean reinsertOverflowedTTL, int jobs, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
IScrubber.Options options = IScrubber.options()
.skipCorrupted(skipCorrupted)
.checkData(checkData)
.reinsertOverflowedTTLRows(reinsertOverflowedTTL)
.build();
return scrub(disableSnapshot, options, jobs, keyspaceName, tableNames);
}
public int scrub(boolean disableSnapshot, IScrubber.Options options, int jobs, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
CompactionManager.AllSSTableOpStatus status = CompactionManager.AllSSTableOpStatus.SUCCESSFUL;
logger.info("Starting {} on {}.{}", OperationType.SCRUB, keyspaceName, Arrays.toString(tableNames));
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName, tableNames))
{
CompactionManager.AllSSTableOpStatus oneStatus = cfStore.scrub(disableSnapshot, options, jobs);
if (oneStatus != CompactionManager.AllSSTableOpStatus.SUCCESSFUL)
status = oneStatus;
}
logger.info("Completed {} with status {}", OperationType.SCRUB, status);
return status.statusCode;
}
/** @deprecated See CASSANDRA-14201 */
@Deprecated(since = "4.0")
public int verify(boolean extendedVerify, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
return verify(extendedVerify, false, false, false, false, false, keyspaceName, tableNames);
}
public int verify(boolean extendedVerify, boolean checkVersion, boolean diskFailurePolicy, boolean mutateRepairStatus, boolean checkOwnsTokens, boolean quick, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
CompactionManager.AllSSTableOpStatus status = CompactionManager.AllSSTableOpStatus.SUCCESSFUL;
IVerifier.Options options = IVerifier.options().invokeDiskFailurePolicy(diskFailurePolicy)
.extendedVerification(extendedVerify)
.checkVersion(checkVersion)
.mutateRepairStatus(mutateRepairStatus)
.checkOwnsTokens(checkOwnsTokens)
.quick(quick).build();
logger.info("Staring {} on {}.{} with options = {}", OperationType.VERIFY, keyspaceName, Arrays.toString(tableNames), options);
for (ColumnFamilyStore cfStore : getValidColumnFamilies(false, false, keyspaceName, tableNames))
{
CompactionManager.AllSSTableOpStatus oneStatus = cfStore.verify(options);
if (oneStatus != CompactionManager.AllSSTableOpStatus.SUCCESSFUL)
status = oneStatus;
}
logger.info("Completed {} with status {}", OperationType.VERIFY, status);
return status.statusCode;
}
public int upgradeSSTables(String keyspaceName, boolean excludeCurrentVersion, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
return upgradeSSTables(keyspaceName, excludeCurrentVersion, 0, tableNames);
}
public int upgradeSSTables(String keyspaceName,
final boolean skipIfCurrentVersion,
final long skipIfNewerThanTimestamp,
int jobs,
String... tableNames) throws IOException, ExecutionException, InterruptedException
{
return rewriteSSTables(keyspaceName, skipIfCurrentVersion, skipIfNewerThanTimestamp, false, jobs, tableNames);
}
public int recompressSSTables(String keyspaceName,
int jobs,
String... tableNames) throws IOException, ExecutionException, InterruptedException
{
return rewriteSSTables(keyspaceName, false, Long.MAX_VALUE, true, jobs, tableNames);
}
public int rewriteSSTables(String keyspaceName,
final boolean skipIfCurrentVersion,
final long skipIfNewerThanTimestamp,
final boolean skipIfCompressionMatches,
int jobs,
String... tableNames) throws IOException, ExecutionException, InterruptedException
{
CompactionManager.AllSSTableOpStatus status = CompactionManager.AllSSTableOpStatus.SUCCESSFUL;
logger.info("Starting {} on {}.{}", OperationType.UPGRADE_SSTABLES, keyspaceName, Arrays.toString(tableNames));
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, true, keyspaceName, tableNames))
{
CompactionManager.AllSSTableOpStatus oneStatus = cfStore.sstablesRewrite(skipIfCurrentVersion, skipIfNewerThanTimestamp, skipIfCompressionMatches, jobs);
if (oneStatus != CompactionManager.AllSSTableOpStatus.SUCCESSFUL)
status = oneStatus;
}
logger.info("Completed {} with status {}", OperationType.UPGRADE_SSTABLES, status);
return status.statusCode;
}
public List> getPreparedStatements()
{
List> statements = new ArrayList<>();
for (Entry e : QueryProcessor.instance.getPreparedStatements().entrySet())
statements.add(Pair.create(e.getKey().toString(), e.getValue().rawCQLStatement));
return statements;
}
public void dropPreparedStatements(boolean memoryOnly)
{
QueryProcessor.instance.clearPreparedStatements(memoryOnly);
}
public void forceKeyspaceCompaction(boolean splitOutput, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName, tableNames))
{
cfStore.forceMajorCompaction(splitOutput);
}
}
public int relocateSSTables(String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
return relocateSSTables(0, keyspaceName, tableNames);
}
public int relocateSSTables(int jobs, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
CompactionManager.AllSSTableOpStatus status = CompactionManager.AllSSTableOpStatus.SUCCESSFUL;
logger.info("Starting {} on {}.{}", OperationType.RELOCATE, keyspaceName, Arrays.toString(tableNames));
for (ColumnFamilyStore cfs : getValidColumnFamilies(false, false, keyspaceName, tableNames))
{
CompactionManager.AllSSTableOpStatus oneStatus = cfs.relocateSSTables(jobs);
if (oneStatus != CompactionManager.AllSSTableOpStatus.SUCCESSFUL)
status = oneStatus;
}
logger.info("Completed {} with status {}", OperationType.RELOCATE, status);
return status.statusCode;
}
public int garbageCollect(String tombstoneOptionString, int jobs, String keyspaceName, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
TombstoneOption tombstoneOption = TombstoneOption.valueOf(tombstoneOptionString);
CompactionManager.AllSSTableOpStatus status = CompactionManager.AllSSTableOpStatus.SUCCESSFUL;
logger.info("Starting {} on {}.{}", OperationType.GARBAGE_COLLECT, keyspaceName, Arrays.toString(tableNames));
for (ColumnFamilyStore cfs : getValidColumnFamilies(false, false, keyspaceName, tableNames))
{
CompactionManager.AllSSTableOpStatus oneStatus = cfs.garbageCollect(tombstoneOption, jobs);
if (oneStatus != CompactionManager.AllSSTableOpStatus.SUCCESSFUL)
status = oneStatus;
}
logger.info("Completed {} with status {}", OperationType.GARBAGE_COLLECT, status);
return status.statusCode;
}
/**
* Takes the snapshot of a multiple column family from different keyspaces. A snapshot name must be specified.
*
* @param tag
* the tag given to the snapshot; may not be null or empty
* @param options
* Map of options (skipFlush is the only supported option for now)
* @param entities
* list of keyspaces / tables in the form of empty | ks1 ks2 ... | ks1.cf1,ks2.cf2,...
*/
@Override
public void takeSnapshot(String tag, Map options, String... entities) throws IOException
{
DurationSpec.IntSecondsBound ttl = options.containsKey("ttl") ? new DurationSpec.IntSecondsBound(options.get("ttl")) : null;
if (ttl != null)
{
int minAllowedTtlSecs = CassandraRelevantProperties.SNAPSHOT_MIN_ALLOWED_TTL_SECONDS.getInt();
if (ttl.toSeconds() < minAllowedTtlSecs)
throw new IllegalArgumentException(String.format("ttl for snapshot must be at least %d seconds", minAllowedTtlSecs));
}
boolean skipFlush = Boolean.parseBoolean(options.getOrDefault("skipFlush", "false"));
if (entities != null && entities.length > 0 && entities[0].contains("."))
{
takeMultipleTableSnapshot(tag, skipFlush, ttl, entities);
}
else
{
takeSnapshot(tag, skipFlush, ttl, entities);
}
}
/**
* Takes the snapshot of a specific table. A snapshot name must be
* specified.
*
* @param keyspaceName
* the keyspace which holds the specified table
* @param tableName
* the table to snapshot
* @param tag
* the tag given to the snapshot; may not be null or empty
*/
public void takeTableSnapshot(String keyspaceName, String tableName, String tag)
throws IOException
{
takeMultipleTableSnapshot(tag, false, null, keyspaceName + "." + tableName);
}
@Override
public void forceKeyspaceCompactionForTokenRange(String keyspaceName, String startToken, String endToken, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
Collection> tokenRanges = createRepairRangeFrom(startToken, endToken);
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName, tableNames))
{
cfStore.forceCompactionForTokenRange(tokenRanges);
}
}
@Override
public void forceKeyspaceCompactionForPartitionKey(String keyspaceName, String partitionKey, String... tableNames) throws IOException, ExecutionException, InterruptedException
{
// validate that the key parses before attempting compaction
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName, tableNames))
{
try
{
getKeyFromPartition(keyspaceName, cfStore.name, partitionKey);
}
catch (Exception e)
{
// JMX can not handle exceptions defined outside of java.* and javax.*, so safer to rewrite the exception
IllegalArgumentException exception = new IllegalArgumentException(String.format("Unable to parse partition key '%s' for table %s; %s", partitionKey, cfStore.metadata, e.getMessage()));
exception.setStackTrace(e.getStackTrace());
throw exception;
}
}
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName, tableNames))
{
cfStore.forceCompactionForKey(getKeyFromPartition(keyspaceName, cfStore.name, partitionKey));
}
}
/***
* Forces compaction for a list of partition keys in a table
* The method will ignore the gc_grace_seconds for the partitionKeysIgnoreGcGrace during the comapction,
* in order to purge the tombstones and free up space quicker.
* @param keyspaceName keyspace name
* @param tableName table name
* @param partitionKeysIgnoreGcGrace partition keys ignoring the gc_grace_seconds
* @throws IOException on any I/O operation error
* @throws ExecutionException when attempting to retrieve the result of a task that aborted by throwing an exception
* @throws InterruptedException when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity
*/
public void forceCompactionKeysIgnoringGcGrace(String keyspaceName,
String tableName, String... partitionKeysIgnoreGcGrace) throws IOException, ExecutionException, InterruptedException
{
ColumnFamilyStore cfStore = getValidKeyspace(keyspaceName).getColumnFamilyStore(tableName);
cfStore.forceCompactionKeysIgnoringGcGrace(partitionKeysIgnoreGcGrace);
}
/**
* Takes the snapshot for the given keyspaces. A snapshot name must be specified.
*
* @param tag the tag given to the snapshot; may not be null or empty
* @param keyspaceNames the names of the keyspaces to snapshot; empty means "all."
*/
public void takeSnapshot(String tag, String... keyspaceNames) throws IOException
{
takeSnapshot(tag, false, null, keyspaceNames);
}
/**
* Takes the snapshot of a multiple column family from different keyspaces. A snapshot name must be specified.
*
* @param tag
* the tag given to the snapshot; may not be null or empty
* @param tableList
* list of tables from different keyspace in the form of ks1.cf1 ks2.cf2
*/
public void takeMultipleTableSnapshot(String tag, String... tableList)
throws IOException
{
takeMultipleTableSnapshot(tag, false, null, tableList);
}
/**
* Takes the snapshot for the given keyspaces. A snapshot name must be specified.
*
* @param tag the tag given to the snapshot; may not be null or empty
* @param skipFlush Skip blocking flush of memtable
* @param keyspaceNames the names of the keyspaces to snapshot; empty means "all."
*/
private void takeSnapshot(String tag, boolean skipFlush, DurationSpec.IntSecondsBound ttl, String... keyspaceNames) throws IOException
{
if (operationMode == Mode.JOINING)
throw new IOException("Cannot snapshot until bootstrap completes");
if (tag == null || tag.equals(""))
throw new IOException("You must supply a snapshot name.");
Iterable keyspaces;
if (keyspaceNames.length == 0)
{
keyspaces = Keyspace.all();
}
else
{
ArrayList t = new ArrayList<>(keyspaceNames.length);
for (String keyspaceName : keyspaceNames)
t.add(getValidKeyspace(keyspaceName));
keyspaces = t;
}
// Do a check to see if this snapshot exists before we actually snapshot
for (Keyspace keyspace : keyspaces)
if (keyspace.snapshotExists(tag))
throw new IOException("Snapshot " + tag + " already exists.");
RateLimiter snapshotRateLimiter = DatabaseDescriptor.getSnapshotRateLimiter();
Instant creationTime = now();
for (Keyspace keyspace : keyspaces)
{
keyspace.snapshot(tag, null, skipFlush, ttl, snapshotRateLimiter, creationTime);
}
}
/**
* Takes the snapshot of a multiple column family from different keyspaces. A snapshot name must be specified.
*
*
* @param tag
* the tag given to the snapshot; may not be null or empty
* @param skipFlush
* Skip blocking flush of memtable
* @param tableList
* list of tables from different keyspace in the form of ks1.cf1 ks2.cf2
*/
private void takeMultipleTableSnapshot(String tag, boolean skipFlush, DurationSpec.IntSecondsBound ttl, String... tableList)
throws IOException
{
Map> keyspaceColumnfamily = new HashMap>();
for (String table : tableList)
{
String splittedString[] = StringUtils.split(table, '.');
if (splittedString.length == 2)
{
String keyspaceName = splittedString[0];
String tableName = splittedString[1];
if (keyspaceName == null)
throw new IOException("You must supply a keyspace name");
if (operationMode.equals(Mode.JOINING))
throw new IOException("Cannot snapshot until bootstrap completes");
if (tableName == null)
throw new IOException("You must supply a table name");
if (tag == null || tag.equals(""))
throw new IOException("You must supply a snapshot name.");
Keyspace keyspace = getValidKeyspace(keyspaceName);
ColumnFamilyStore columnFamilyStore = keyspace.getColumnFamilyStore(tableName);
// As there can be multiple column family from same keyspace check if snapshot exist for that specific
// columnfamily and not for whole keyspace
if (columnFamilyStore.snapshotExists(tag))
throw new IOException("Snapshot " + tag + " already exists.");
if (!keyspaceColumnfamily.containsKey(keyspace))
{
keyspaceColumnfamily.put(keyspace, new ArrayList());
}
// Add Keyspace columnfamily to map in order to support atomicity for snapshot process.
// So no snapshot should happen if any one of the above conditions fail for any keyspace or columnfamily
keyspaceColumnfamily.get(keyspace).add(tableName);
}
else
{
throw new IllegalArgumentException(
"Cannot take a snapshot on secondary index or invalid column family name. You must supply a column family name in the form of keyspace.columnfamily");
}
}
RateLimiter snapshotRateLimiter = DatabaseDescriptor.getSnapshotRateLimiter();
Instant creationTime = now();
for (Entry> entry : keyspaceColumnfamily.entrySet())
{
for (String table : entry.getValue())
entry.getKey().snapshot(tag, table, skipFlush, ttl, snapshotRateLimiter, creationTime);
}
}
private void verifyKeyspaceIsValid(String keyspaceName)
{
if (null != VirtualKeyspaceRegistry.instance.getKeyspaceNullable(keyspaceName))
throw new IllegalArgumentException("Cannot perform any operations against virtual keyspace " + keyspaceName);
if (!Schema.instance.getKeyspaces().contains(keyspaceName))
throw new IllegalArgumentException("Keyspace " + keyspaceName + " does not exist");
}
private Keyspace getValidKeyspace(String keyspaceName)
{
verifyKeyspaceIsValid(keyspaceName);
return Keyspace.open(keyspaceName);
}
/**
* Remove the snapshot with the given name from the given keyspaces.
* If no tag is specified we will remove all snapshots.
*/
public void clearSnapshot(String tag, String... keyspaceNames)
{
clearSnapshot(Collections.emptyMap(), tag, keyspaceNames);
}
public void clearSnapshot(Map options, String tag, String... keyspaceNames)
{
if (tag == null)
tag = "";
if (options == null)
options = Collections.emptyMap();
Set keyspaces = new HashSet<>();
for (String dataDir : DatabaseDescriptor.getAllDataFileLocations())
{
for (String keyspaceDir : new File(dataDir).tryListNames())
{
// Only add a ks if it has been specified as a param, assuming params were actually provided.
if (keyspaceNames.length > 0 && !Arrays.asList(keyspaceNames).contains(keyspaceDir))
continue;
keyspaces.add(keyspaceDir);
}
}
Object olderThan = options.get("older_than");
Object olderThanTimestamp = options.get("older_than_timestamp");
final long clearOlderThanTimestamp;
if (olderThan != null)
{
assert olderThan instanceof String : "it is expected that older_than is an instance of java.lang.String";
clearOlderThanTimestamp = Clock.Global.currentTimeMillis() - new DurationSpec.LongSecondsBound((String) olderThan).toMilliseconds();
}
else if (olderThanTimestamp != null)
{
assert olderThanTimestamp instanceof String : "it is expected that older_than_timestamp is an instance of java.lang.String";
try
{
clearOlderThanTimestamp = Instant.parse((String) olderThanTimestamp).toEpochMilli();
}
catch (DateTimeParseException ex)
{
throw new RuntimeException("Parameter older_than_timestamp has to be a valid instant in ISO format.");
}
}
else
clearOlderThanTimestamp = 0L;
for (String keyspace : keyspaces)
clearKeyspaceSnapshot(keyspace, tag, clearOlderThanTimestamp);
if (logger.isDebugEnabled())
logger.debug("Cleared out snapshot directories");
}
/**
* Clear snapshots for a given keyspace.
* @param keyspace keyspace to remove snapshots for
* @param tag the user supplied snapshot name. If empty or null, all the snapshots will be cleaned
* @param olderThanTimestamp if a snapshot was created before this timestamp, it will be cleared,
* if its value is 0, this parameter is effectively ignored.
*/
private void clearKeyspaceSnapshot(String keyspace, String tag, long olderThanTimestamp)
{
Set snapshotsToClear = snapshotManager.loadSnapshots(keyspace)
.stream()
.filter(TableSnapshot.shouldClearSnapshot(tag, olderThanTimestamp))
.collect(Collectors.toSet());
for (TableSnapshot snapshot : snapshotsToClear)
snapshotManager.clearSnapshot(snapshot);
}
public Map getSnapshotDetails(Map options)
{
boolean skipExpiring = options != null && Boolean.parseBoolean(options.getOrDefault("no_ttl", "false"));
boolean includeEphemeral = options != null && Boolean.parseBoolean(options.getOrDefault("include_ephemeral", "false"));
Map snapshotMap = new HashMap<>();
for (TableSnapshot snapshot : snapshotManager.loadSnapshots())
{
if (skipExpiring && snapshot.isExpiring())
continue;
if (!includeEphemeral && snapshot.isEphemeral())
continue;
TabularDataSupport data = (TabularDataSupport) snapshotMap.get(snapshot.getTag());
if (data == null)
{
data = new TabularDataSupport(SnapshotDetailsTabularData.TABULAR_TYPE);
snapshotMap.put(snapshot.getTag(), data);
}
SnapshotDetailsTabularData.from(snapshot, data);
}
return snapshotMap;
}
/** @deprecated See CASSANDRA-16789 */
@Deprecated(since = "4.1")
public Map getSnapshotDetails()
{
return getSnapshotDetails(ImmutableMap.of());
}
public long trueSnapshotsSize()
{
long total = 0;
for (Keyspace keyspace : Keyspace.all())
{
if (SchemaConstants.isLocalSystemKeyspace(keyspace.getName()))
continue;
for (ColumnFamilyStore cfStore : keyspace.getColumnFamilyStores())
{
total += cfStore.trueSnapshotsSize();
}
}
return total;
}
public void setSnapshotLinksPerSecond(long throttle)
{
logger.info("Setting snapshot throttle to {}", throttle);
DatabaseDescriptor.setSnapshotLinksPerSecond(throttle);
}
public long getSnapshotLinksPerSecond()
{
return DatabaseDescriptor.getSnapshotLinksPerSecond();
}
public void refreshSizeEstimates() throws ExecutionException
{
cleanupSizeEstimates();
FBUtilities.waitOnFuture(ScheduledExecutors.optionalTasks.submit(SizeEstimatesRecorder.instance));
}
public void cleanupSizeEstimates()
{
SystemKeyspace.clearAllEstimates();
}
/**
* @param allowIndexes Allow index CF names to be passed in
* @param autoAddIndexes Automatically add secondary indexes if a CF has them
* @param keyspaceName keyspace
* @param cfNames CFs
* @throws java.lang.IllegalArgumentException when given CF name does not exist
*/
public Iterable getValidColumnFamilies(boolean allowIndexes, boolean autoAddIndexes, String keyspaceName, String... cfNames)
{
Keyspace keyspace = getValidKeyspace(keyspaceName);
return keyspace.getValidColumnFamilies(allowIndexes, autoAddIndexes, cfNames);
}
/**
* Flush all memtables for a keyspace and column families.
* @param keyspaceName
* @param tableNames
* @throws IOException
*/
public void forceKeyspaceFlush(String keyspaceName, String... tableNames) throws IOException
{
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName, tableNames))
{
logger.debug("Forcing flush on keyspace {}, CF {}", keyspaceName, cfStore.name);
cfStore.forceBlockingFlush(ColumnFamilyStore.FlushReason.USER_FORCED);
}
}
/**
* Flush all memtables for a keyspace and column families.
* @param keyspaceName
* @throws IOException
*/
public void forceKeyspaceFlush(String keyspaceName, ColumnFamilyStore.FlushReason reason) throws IOException
{
for (ColumnFamilyStore cfStore : getValidColumnFamilies(true, false, keyspaceName))
{
logger.debug("Forcing flush on keyspace {}, CF {}", keyspaceName, cfStore.name);
cfStore.forceBlockingFlush(reason);
}
}
public int repairAsync(String keyspace, Map repairSpec)
{
return repair(keyspace, repairSpec, Collections.emptyList()).left;
}
public Pair> repair(String keyspace, Map repairSpec, List listeners)
{
RepairOption option = RepairOption.parse(repairSpec, tokenMetadata.partitioner);
return repair(keyspace, option, listeners);
}
public Pair> repair(String keyspace, RepairOption option, List listeners)
{
// if ranges are not specified
if (option.getRanges().isEmpty())
{
if (option.isPrimaryRange())
{
// when repairing only primary range, neither dataCenters nor hosts can be set
if (option.getDataCenters().isEmpty() && option.getHosts().isEmpty())
option.getRanges().addAll(getPrimaryRanges(keyspace));
// except dataCenters only contain local DC (i.e. -local)
else if (option.isInLocalDCOnly())
option.getRanges().addAll(getPrimaryRangesWithinDC(keyspace));
else
throw new IllegalArgumentException("You need to run primary range repair on all nodes in the cluster.");
}
else
{
Iterables.addAll(option.getRanges(), getLocalReplicas(keyspace).onlyFull().ranges());
}
}
if (option.getRanges().isEmpty() || Keyspace.open(keyspace).getReplicationStrategy().getReplicationFactor().allReplicas < 2)
return Pair.create(0, ImmediateFuture.success(null));
int cmd = nextRepairCommand.incrementAndGet();
return Pair.create(cmd, repairCommandExecutor().submit(createRepairTask(cmd, keyspace, option, listeners)));
}
/**
* Create collection of ranges that match ring layout from given tokens.
*
* @param beginToken beginning token of the range
* @param endToken end token of the range
* @return collection of ranges that match ring layout in TokenMetadata
*/
@VisibleForTesting
Collection> createRepairRangeFrom(String beginToken, String endToken)
{
Token parsedBeginToken = getTokenFactory().fromString(beginToken);
Token parsedEndToken = getTokenFactory().fromString(endToken);
// Break up given range to match ring layout in TokenMetadata
ArrayList> repairingRange = new ArrayList<>();
ArrayList tokens = new ArrayList<>(tokenMetadata.sortedTokens());
if (!tokens.contains(parsedBeginToken))
{
tokens.add(parsedBeginToken);
}
if (!tokens.contains(parsedEndToken))
{
tokens.add(parsedEndToken);
}
// tokens now contain all tokens including our endpoints
Collections.sort(tokens);
int start = tokens.indexOf(parsedBeginToken), end = tokens.indexOf(parsedEndToken);
for (int i = start; i != end; i = (i+1) % tokens.size())
{
Range range = new Range<>(tokens.get(i), tokens.get((i+1) % tokens.size()));
repairingRange.add(range);
}
return repairingRange;
}
public TokenFactory getTokenFactory()
{
return tokenMetadata.partitioner.getTokenFactory();
}
private FutureTask