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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.
/*
* 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.tools;
import java.io.IOException;
import java.io.PrintStream;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryMXBean;
import java.lang.management.MemoryUsage;
import java.lang.management.RuntimeMXBean;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.rmi.server.RMIClientSocketFactory;
import java.rmi.server.RMISocketFactory;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import javax.management.JMX;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.TabularData;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import javax.rmi.ssl.SslRMIClientSocketFactory;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.ColumnFamilyStoreMBean;
import org.apache.cassandra.db.HintedHandOffManager;
import org.apache.cassandra.db.HintedHandOffManagerMBean;
import org.apache.cassandra.db.compaction.CompactionManager;
import org.apache.cassandra.db.compaction.CompactionManagerMBean;
import org.apache.cassandra.gms.FailureDetector;
import org.apache.cassandra.gms.FailureDetectorMBean;
import org.apache.cassandra.gms.Gossiper;
import org.apache.cassandra.gms.GossiperMBean;
import org.apache.cassandra.locator.EndpointSnitchInfoMBean;
import org.apache.cassandra.metrics.CassandraMetricsRegistry;
import org.apache.cassandra.metrics.ColumnFamilyMetrics.Sampler;
import org.apache.cassandra.metrics.StorageMetrics;
import org.apache.cassandra.metrics.ThreadPoolMetrics;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.net.MessagingServiceMBean;
import org.apache.cassandra.service.CacheService;
import org.apache.cassandra.service.CacheServiceMBean;
import org.apache.cassandra.service.GCInspector;
import org.apache.cassandra.service.GCInspectorMXBean;
import org.apache.cassandra.service.StorageProxy;
import org.apache.cassandra.service.StorageProxyMBean;
import org.apache.cassandra.service.StorageServiceMBean;
import org.apache.cassandra.streaming.StreamManagerMBean;
import org.apache.cassandra.streaming.StreamState;
import org.apache.cassandra.streaming.management.StreamStateCompositeData;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.Uninterruptibles;
/**
* JMX client operations for Cassandra.
*/
public class NodeProbe implements AutoCloseable
{
private static final String fmtUrl = "service:jmx:rmi:///jndi/rmi://[%s]:%d/jmxrmi";
private static final String ssObjName = "org.apache.cassandra.db:type=StorageService";
private static final int defaultPort = 7199;
final String host;
final int port;
private String username;
private String password;
private JMXConnector jmxc;
private MBeanServerConnection mbeanServerConn;
private CompactionManagerMBean compactionProxy;
private StorageServiceMBean ssProxy;
private GossiperMBean gossProxy;
private MemoryMXBean memProxy;
private GCInspectorMXBean gcProxy;
private RuntimeMXBean runtimeProxy;
private StreamManagerMBean streamProxy;
public MessagingServiceMBean msProxy;
private FailureDetectorMBean fdProxy;
private CacheServiceMBean cacheService;
private StorageProxyMBean spProxy;
private HintedHandOffManagerMBean hhProxy;
private boolean failed;
/**
* Creates a NodeProbe using the specified JMX host, port, username, and password.
*
* @param host hostname or IP address of the JMX agent
* @param port TCP port of the remote JMX agent
* @throws IOException on connection failures
*/
public NodeProbe(String host, int port, String username, String password) throws IOException
{
assert username != null && !username.isEmpty() && password != null && !password.isEmpty()
: "neither username nor password can be blank";
this.host = host;
this.port = port;
this.username = username;
this.password = password;
connect();
}
/**
* Creates a NodeProbe using the specified JMX host and port.
*
* @param host hostname or IP address of the JMX agent
* @param port TCP port of the remote JMX agent
* @throws IOException on connection failures
*/
public NodeProbe(String host, int port) throws IOException
{
this.host = host;
this.port = port;
connect();
}
/**
* Creates a NodeProbe using the specified JMX host and default port.
*
* @param host hostname or IP address of the JMX agent
* @throws IOException on connection failures
*/
public NodeProbe(String host) throws IOException
{
this.host = host;
this.port = defaultPort;
connect();
}
/**
* Create a connection to the JMX agent and setup the M[X]Bean proxies.
*
* @throws IOException on connection failures
*/
private void connect() throws IOException
{
JMXServiceURL jmxUrl = new JMXServiceURL(String.format(fmtUrl, host, port));
Map env = new HashMap();
if (username != null)
{
String[] creds = { username, password };
env.put(JMXConnector.CREDENTIALS, creds);
}
env.put("com.sun.jndi.rmi.factory.socket", getRMIClientSocketFactory());
jmxc = JMXConnectorFactory.connect(jmxUrl, env);
mbeanServerConn = jmxc.getMBeanServerConnection();
try
{
ObjectName name = new ObjectName(ssObjName);
ssProxy = JMX.newMBeanProxy(mbeanServerConn, name, StorageServiceMBean.class);
name = new ObjectName(MessagingService.MBEAN_NAME);
msProxy = JMX.newMBeanProxy(mbeanServerConn, name, MessagingServiceMBean.class);
name = new ObjectName(StreamManagerMBean.OBJECT_NAME);
streamProxy = JMX.newMBeanProxy(mbeanServerConn, name, StreamManagerMBean.class);
name = new ObjectName(CompactionManager.MBEAN_OBJECT_NAME);
compactionProxy = JMX.newMBeanProxy(mbeanServerConn, name, CompactionManagerMBean.class);
name = new ObjectName(FailureDetector.MBEAN_NAME);
fdProxy = JMX.newMBeanProxy(mbeanServerConn, name, FailureDetectorMBean.class);
name = new ObjectName(CacheService.MBEAN_NAME);
cacheService = JMX.newMBeanProxy(mbeanServerConn, name, CacheServiceMBean.class);
name = new ObjectName(StorageProxy.MBEAN_NAME);
spProxy = JMX.newMBeanProxy(mbeanServerConn, name, StorageProxyMBean.class);
name = new ObjectName(HintedHandOffManager.MBEAN_NAME);
hhProxy = JMX.newMBeanProxy(mbeanServerConn, name, HintedHandOffManagerMBean.class);
name = new ObjectName(GCInspector.MBEAN_NAME);
gcProxy = JMX.newMBeanProxy(mbeanServerConn, name, GCInspectorMXBean.class);
name = new ObjectName(Gossiper.MBEAN_NAME);
gossProxy = JMX.newMBeanProxy(mbeanServerConn, name, GossiperMBean.class);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(
"Invalid ObjectName? Please report this as a bug.", e);
}
memProxy = ManagementFactory.newPlatformMXBeanProxy(mbeanServerConn,
ManagementFactory.MEMORY_MXBEAN_NAME, MemoryMXBean.class);
runtimeProxy = ManagementFactory.newPlatformMXBeanProxy(
mbeanServerConn, ManagementFactory.RUNTIME_MXBEAN_NAME, RuntimeMXBean.class);
}
private RMIClientSocketFactory getRMIClientSocketFactory() throws IOException
{
if (Boolean.parseBoolean(System.getProperty("ssl.enable")))
return new SslRMIClientSocketFactory();
else
return RMISocketFactory.getDefaultSocketFactory();
}
public void close() throws IOException
{
jmxc.close();
}
public int forceKeyspaceCleanup(int jobs, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
return ssProxy.forceKeyspaceCleanup(jobs, keyspaceName, columnFamilies);
}
public int scrub(boolean disableSnapshot, boolean skipCorrupted, boolean checkData, int jobs, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
return ssProxy.scrub(disableSnapshot, skipCorrupted, checkData, jobs, keyspaceName, columnFamilies);
}
public int verify(boolean extendedVerify, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
return ssProxy.verify(extendedVerify, keyspaceName, columnFamilies);
}
public int upgradeSSTables(String keyspaceName, boolean excludeCurrentVersion, int jobs, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
return ssProxy.upgradeSSTables(keyspaceName, excludeCurrentVersion, jobs, columnFamilies);
}
private void checkJobs(PrintStream out, int jobs)
{
if (jobs > DatabaseDescriptor.getConcurrentCompactors())
out.println(String.format("jobs (%d) is bigger than configured concurrent_compactors (%d), using at most %d threads", jobs, DatabaseDescriptor.getConcurrentCompactors(), DatabaseDescriptor.getConcurrentCompactors()));
}
public void forceKeyspaceCleanup(PrintStream out, int jobs, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
checkJobs(out, jobs);
if (forceKeyspaceCleanup(jobs, keyspaceName, columnFamilies) != 0)
{
failed = true;
out.println("Aborted cleaning up at least one table in keyspace "+keyspaceName+", check server logs for more information.");
}
}
public void scrub(PrintStream out, boolean disableSnapshot, boolean skipCorrupted, boolean checkData, int jobs, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
checkJobs(out, jobs);
if (scrub(disableSnapshot, skipCorrupted, checkData, jobs, keyspaceName, columnFamilies) != 0)
{
failed = true;
out.println("Aborted scrubbing at least one table in keyspace "+keyspaceName+", check server logs for more information.");
}
}
public void verify(PrintStream out, boolean extendedVerify, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
if (verify(extendedVerify, keyspaceName, columnFamilies) != 0)
{
failed = true;
out.println("Aborted verifying at least one table in keyspace "+keyspaceName+", check server logs for more information.");
}
}
public void upgradeSSTables(PrintStream out, String keyspaceName, boolean excludeCurrentVersion, int jobs, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
checkJobs(out, jobs);
if (upgradeSSTables(keyspaceName, excludeCurrentVersion, jobs, columnFamilies) != 0)
{
failed = true;
out.println("Aborted upgrading sstables for atleast one table in keyspace "+keyspaceName+", check server logs for more information.");
}
}
public void forceKeyspaceCompaction(boolean splitOutput, String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
ssProxy.forceKeyspaceCompaction(splitOutput, keyspaceName, columnFamilies);
}
public void forceKeyspaceFlush(String keyspaceName, String... columnFamilies) throws IOException, ExecutionException, InterruptedException
{
ssProxy.forceKeyspaceFlush(keyspaceName, columnFamilies);
}
public void repairAsync(final PrintStream out, final String keyspace, Map options) throws IOException
{
RepairRunner runner = new RepairRunner(out, ssProxy, keyspace, options);
try
{
jmxc.addConnectionNotificationListener(runner, null, null);
ssProxy.addNotificationListener(runner, null, null);
runner.run();
}
catch (Exception e)
{
throw new IOException(e) ;
}
finally
{
try
{
ssProxy.removeNotificationListener(runner);
jmxc.removeConnectionNotificationListener(runner);
}
catch (Throwable e)
{
out.println("Exception occurred during clean-up. " + e);
}
}
}
public Map getPartitionSample(String ks, String cf, int capacity, int duration, int count, List samplers) throws OpenDataException
{
ColumnFamilyStoreMBean cfsProxy = getCfsProxy(ks, cf);
for(Sampler sampler : samplers)
{
cfsProxy.beginLocalSampling(sampler.name(), capacity);
}
Uninterruptibles.sleepUninterruptibly(duration, TimeUnit.MILLISECONDS);
Map result = Maps.newHashMap();
for(Sampler sampler : samplers)
{
result.put(sampler, cfsProxy.finishLocalSampling(sampler.name(), count));
}
return result;
}
public void invalidateCounterCache()
{
cacheService.invalidateCounterCache();
}
public void invalidateKeyCache()
{
cacheService.invalidateKeyCache();
}
public void invalidateRowCache()
{
cacheService.invalidateRowCache();
}
public void drain() throws IOException, InterruptedException, ExecutionException
{
ssProxy.drain();
}
public Map getTokenToEndpointMap()
{
return ssProxy.getTokenToEndpointMap();
}
public List getLiveNodes()
{
return ssProxy.getLiveNodes();
}
public List getJoiningNodes()
{
return ssProxy.getJoiningNodes();
}
public List getLeavingNodes()
{
return ssProxy.getLeavingNodes();
}
public List getMovingNodes()
{
return ssProxy.getMovingNodes();
}
public List getUnreachableNodes()
{
return ssProxy.getUnreachableNodes();
}
public Map getLoadMap()
{
return ssProxy.getLoadMap();
}
public Map getOwnership()
{
return ssProxy.getOwnership();
}
public Map effectiveOwnership(String keyspace) throws IllegalStateException
{
return ssProxy.effectiveOwnership(keyspace);
}
public CacheServiceMBean getCacheServiceMBean()
{
String cachePath = "org.apache.cassandra.db:type=Caches";
try
{
return JMX.newMBeanProxy(mbeanServerConn, new ObjectName(cachePath), CacheServiceMBean.class);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
public double[] getAndResetGCStats()
{
return gcProxy.getAndResetStats();
}
public Iterator> getColumnFamilyStoreMBeanProxies()
{
try
{
return new ColumnFamilyStoreMBeanIterator(mbeanServerConn);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException("Invalid ObjectName? Please report this as a bug.", e);
}
catch (IOException e)
{
throw new RuntimeException("Could not retrieve list of stat mbeans.", e);
}
}
public CompactionManagerMBean getCompactionManagerProxy()
{
return compactionProxy;
}
public List getTokens()
{
return ssProxy.getTokens();
}
public List getTokens(String endpoint)
{
try
{
return ssProxy.getTokens(endpoint);
}
catch (UnknownHostException e)
{
throw new RuntimeException(e);
}
}
public String getLocalHostId()
{
return ssProxy.getLocalHostId();
}
public Map getHostIdMap()
{
return ssProxy.getEndpointToHostId();
}
public String getLoadString()
{
return ssProxy.getLoadString();
}
public String getReleaseVersion()
{
return ssProxy.getReleaseVersion();
}
public int getCurrentGenerationNumber()
{
return ssProxy.getCurrentGenerationNumber();
}
public long getUptime()
{
return runtimeProxy.getUptime();
}
public MemoryUsage getHeapMemoryUsage()
{
return memProxy.getHeapMemoryUsage();
}
/**
* Take a snapshot of all the keyspaces, optionally specifying only a specific column family.
*
* @param snapshotName the name of the snapshot.
* @param columnFamily the column family to snapshot or all on null
* @param keyspaces the keyspaces to snapshot
*/
public void takeSnapshot(String snapshotName, String columnFamily, String... keyspaces) throws IOException
{
if (columnFamily != null)
{
if (keyspaces.length != 1)
{
throw new IOException("When specifying the table for a snapshot, you must specify one and only one keyspace");
}
ssProxy.takeColumnFamilySnapshot(keyspaces[0], columnFamily, snapshotName);
}
else
ssProxy.takeSnapshot(snapshotName, keyspaces);
}
/**
* Take a snapshot of all column family from different keyspaces.
*
* @param snapshotName
* the name of the snapshot.
* @param columnFamilyList
* list of columnfamily from different keyspace in the form of ks1.cf1 ks2.cf2
*/
public void takeMultipleColumnFamilySnapshot(String snapshotName, String... columnFamilyList)
throws IOException
{
if (null != columnFamilyList && columnFamilyList.length != 0)
{
ssProxy.takeMultipleColumnFamilySnapshot(snapshotName, columnFamilyList);
}
else
{
throw new IOException("The column family List for a snapshot should not be empty or null");
}
}
/**
* Remove all the existing snapshots.
*/
public void clearSnapshot(String tag, String... keyspaces) throws IOException
{
ssProxy.clearSnapshot(tag, keyspaces);
}
public Map getSnapshotDetails()
{
return ssProxy.getSnapshotDetails();
}
public long trueSnapshotsSize()
{
return ssProxy.trueSnapshotsSize();
}
public boolean isJoined()
{
return ssProxy.isJoined();
}
public void joinRing() throws IOException
{
ssProxy.joinRing();
}
public void decommission() throws InterruptedException
{
ssProxy.decommission();
}
public void move(String newToken) throws IOException
{
ssProxy.move(newToken);
}
public void removeNode(String token)
{
ssProxy.removeNode(token);
}
public String getRemovalStatus()
{
return ssProxy.getRemovalStatus();
}
public void forceRemoveCompletion()
{
ssProxy.forceRemoveCompletion();
}
public void assassinateEndpoint(String address) throws UnknownHostException
{
gossProxy.assassinateEndpoint(address);
}
/**
* Set the compaction threshold
*
* @param minimumCompactionThreshold minimum compaction threshold
* @param maximumCompactionThreshold maximum compaction threshold
*/
public void setCompactionThreshold(String ks, String cf, int minimumCompactionThreshold, int maximumCompactionThreshold)
{
ColumnFamilyStoreMBean cfsProxy = getCfsProxy(ks, cf);
cfsProxy.setCompactionThresholds(minimumCompactionThreshold, maximumCompactionThreshold);
}
public void disableAutoCompaction(String ks, String ... columnFamilies) throws IOException
{
ssProxy.disableAutoCompaction(ks, columnFamilies);
}
public void enableAutoCompaction(String ks, String ... columnFamilies) throws IOException
{
ssProxy.enableAutoCompaction(ks, columnFamilies);
}
public void setIncrementalBackupsEnabled(boolean enabled)
{
ssProxy.setIncrementalBackupsEnabled(enabled);
}
public boolean isIncrementalBackupsEnabled()
{
return ssProxy.isIncrementalBackupsEnabled();
}
public void setCacheCapacities(int keyCacheCapacity, int rowCacheCapacity, int counterCacheCapacity)
{
try
{
String keyCachePath = "org.apache.cassandra.db:type=Caches";
CacheServiceMBean cacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(keyCachePath), CacheServiceMBean.class);
cacheMBean.setKeyCacheCapacityInMB(keyCacheCapacity);
cacheMBean.setRowCacheCapacityInMB(rowCacheCapacity);
cacheMBean.setCounterCacheCapacityInMB(counterCacheCapacity);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
public void setCacheKeysToSave(int keyCacheKeysToSave, int rowCacheKeysToSave, int counterCacheKeysToSave)
{
try
{
String keyCachePath = "org.apache.cassandra.db:type=Caches";
CacheServiceMBean cacheMBean = JMX.newMBeanProxy(mbeanServerConn, new ObjectName(keyCachePath), CacheServiceMBean.class);
cacheMBean.setKeyCacheKeysToSave(keyCacheKeysToSave);
cacheMBean.setRowCacheKeysToSave(rowCacheKeysToSave);
cacheMBean.setCounterCacheKeysToSave(counterCacheKeysToSave);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
public void setHintedHandoffThrottleInKB(int throttleInKB)
{
ssProxy.setHintedHandoffThrottleInKB(throttleInKB);
}
public List getEndpoints(String keyspace, String cf, String key)
{
return ssProxy.getNaturalEndpoints(keyspace, cf, key);
}
public List getSSTables(String keyspace, String cf, String key)
{
ColumnFamilyStoreMBean cfsProxy = getCfsProxy(keyspace, cf);
return cfsProxy.getSSTablesForKey(key);
}
public Set getStreamStatus()
{
return Sets.newHashSet(Iterables.transform(streamProxy.getCurrentStreams(), new Function()
{
public StreamState apply(CompositeData input)
{
return StreamStateCompositeData.fromCompositeData(input);
}
}));
}
public String getOperationMode()
{
return ssProxy.getOperationMode();
}
public boolean isStarting()
{
return ssProxy.isStarting();
}
public void truncate(String keyspaceName, String cfName)
{
try
{
ssProxy.truncate(keyspaceName, cfName);
}
catch (TimeoutException e)
{
throw new RuntimeException("Error while executing truncate", e);
}
catch (IOException e)
{
throw new RuntimeException("Error while executing truncate", e);
}
}
public EndpointSnitchInfoMBean getEndpointSnitchInfoProxy()
{
try
{
return JMX.newMBeanProxy(mbeanServerConn, new ObjectName("org.apache.cassandra.db:type=EndpointSnitchInfo"), EndpointSnitchInfoMBean.class);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
public ColumnFamilyStoreMBean getCfsProxy(String ks, String cf)
{
ColumnFamilyStoreMBean cfsProxy = null;
try
{
String type = cf.contains(".") ? "IndexColumnFamilies" : "ColumnFamilies";
Set beans = mbeanServerConn.queryNames(
new ObjectName("org.apache.cassandra.db:type=*" + type +",keyspace=" + ks + ",columnfamily=" + cf), null);
if (beans.isEmpty())
throw new MalformedObjectNameException("couldn't find that bean");
assert beans.size() == 1;
for (ObjectName bean : beans)
cfsProxy = JMX.newMBeanProxy(mbeanServerConn, bean, ColumnFamilyStoreMBean.class);
}
catch (MalformedObjectNameException mone)
{
System.err.println("ColumnFamilyStore for " + ks + "/" + cf + " not found.");
System.exit(1);
}
catch (IOException e)
{
System.err.println("ColumnFamilyStore for " + ks + "/" + cf + " not found: " + e);
System.exit(1);
}
return cfsProxy;
}
public StorageProxyMBean getSpProxy()
{
return spProxy;
}
public String getEndpoint()
{
Map hostIdToEndpoint = ssProxy.getHostIdToEndpoint();
return hostIdToEndpoint.get(ssProxy.getLocalHostId());
}
public String getDataCenter()
{
return getEndpointSnitchInfoProxy().getDatacenter();
}
public String getRack()
{
return getEndpointSnitchInfoProxy().getRack();
}
public List getKeyspaces()
{
return ssProxy.getKeyspaces();
}
public List getNonSystemKeyspaces()
{
return ssProxy.getNonSystemKeyspaces();
}
public String getClusterName()
{
return ssProxy.getClusterName();
}
public String getPartitioner()
{
return ssProxy.getPartitionerName();
}
public void disableHintedHandoff()
{
spProxy.setHintedHandoffEnabled(false);
}
public void enableHintedHandoff()
{
spProxy.setHintedHandoffEnabled(true);
}
public boolean isHandoffEnabled()
{
return spProxy.getHintedHandoffEnabled();
}
public void enableHintedHandoff(String dcNames)
{
spProxy.setHintedHandoffEnabledByDCList(dcNames);
}
public void pauseHintsDelivery()
{
hhProxy.pauseHintsDelivery(true);
}
public void resumeHintsDelivery()
{
hhProxy.pauseHintsDelivery(false);
}
public void truncateHints(final String host)
{
hhProxy.deleteHintsForEndpoint(host);
}
public void truncateHints()
{
try
{
hhProxy.truncateAllHints();
}
catch (ExecutionException | InterruptedException e)
{
throw new RuntimeException("Error while executing truncate hints", e);
}
}
public void refreshSizeEstimates()
{
try
{
ssProxy.refreshSizeEstimates();
}
catch (ExecutionException e)
{
throw new RuntimeException("Error while refreshing system.size_estimates", e);
}
}
public void stopNativeTransport()
{
ssProxy.stopNativeTransport();
}
public void startNativeTransport()
{
ssProxy.startNativeTransport();
}
public boolean isNativeTransportRunning()
{
return ssProxy.isNativeTransportRunning();
}
public void stopGossiping()
{
ssProxy.stopGossiping();
}
public void startGossiping()
{
ssProxy.startGossiping();
}
public boolean isGossipRunning()
{
return ssProxy.isGossipRunning();
}
public void stopThriftServer()
{
ssProxy.stopRPCServer();
}
public void startThriftServer()
{
ssProxy.startRPCServer();
}
public boolean isThriftServerRunning()
{
return ssProxy.isRPCServerRunning();
}
public void stopCassandraDaemon()
{
ssProxy.stopDaemon();
}
public boolean isInitialized()
{
return ssProxy.isInitialized();
}
public void setCompactionThroughput(int value)
{
ssProxy.setCompactionThroughputMbPerSec(value);
}
public int getCompactionThroughput()
{
return ssProxy.getCompactionThroughputMbPerSec();
}
public int getStreamThroughput()
{
return ssProxy.getStreamThroughputMbPerSec();
}
public int getInterDCStreamThroughput()
{
return ssProxy.getInterDCStreamThroughputMbPerSec();
}
public double getTraceProbability()
{
return ssProxy.getTraceProbability();
}
public int getExceptionCount()
{
return (int)StorageMetrics.exceptions.getCount();
}
public Map getDroppedMessages()
{
return msProxy.getDroppedMessages();
}
public void loadNewSSTables(String ksName, String cfName)
{
ssProxy.loadNewSSTables(ksName, cfName);
}
public void rebuildIndex(String ksName, String cfName, String... idxNames)
{
ssProxy.rebuildSecondaryIndex(ksName, cfName, idxNames);
}
public String getGossipInfo()
{
return fdProxy.getAllEndpointStates();
}
public void stop(String string)
{
compactionProxy.stopCompaction(string);
}
public void stopById(String compactionId)
{
compactionProxy.stopCompactionById(compactionId);
}
public void setStreamThroughput(int value)
{
ssProxy.setStreamThroughputMbPerSec(value);
}
public void setInterDCStreamThroughput(int value)
{
ssProxy.setInterDCStreamThroughputMbPerSec(value);
}
public void setTraceProbability(double value)
{
ssProxy.setTraceProbability(value);
}
public String getSchemaVersion()
{
return ssProxy.getSchemaVersion();
}
public List describeRing(String keyspaceName) throws IOException
{
return ssProxy.describeRingJMX(keyspaceName);
}
public void rebuild(String sourceDc)
{
ssProxy.rebuild(sourceDc);
}
public List sampleKeyRange()
{
return ssProxy.sampleKeyRange();
}
public void resetLocalSchema() throws IOException
{
ssProxy.resetLocalSchema();
}
public boolean isFailed()
{
return failed;
}
public long getReadRepairAttempted()
{
return spProxy.getReadRepairAttempted();
}
public long getReadRepairRepairedBlocking()
{
return spProxy.getReadRepairRepairedBlocking();
}
public long getReadRepairRepairedBackground()
{
return spProxy.getReadRepairRepairedBackground();
}
// JMX getters for the o.a.c.metrics API below.
/**
* Retrieve cache metrics based on the cache type (KeyCache, RowCache, or CounterCache)
* @param cacheType KeyCach, RowCache, or CounterCache
* @param metricName Capacity, Entries, HitRate, Size, Requests or Hits.
*/
public Object getCacheMetric(String cacheType, String metricName)
{
try
{
switch(metricName)
{
case "Capacity":
case "Entries":
case "HitRate":
case "Size":
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=Cache,scope=" + cacheType + ",name=" + metricName),
CassandraMetricsRegistry.JmxGaugeMBean.class).getValue();
case "Requests":
case "Hits":
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=Cache,scope=" + cacheType + ",name=" + metricName),
CassandraMetricsRegistry.JmxMeterMBean.class).getCount();
default:
throw new RuntimeException("Unknown cache metric name.");
}
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
public Object getThreadPoolMetric(String pathName, String poolName, String metricName)
{
return ThreadPoolMetrics.getJmxMetric(mbeanServerConn, pathName, poolName, metricName);
}
/**
* Retrieve threadpool paths and names for threadpools with metrics.
* @return Multimap from path (internal, request, etc.) to name
*/
public Multimap getThreadPools()
{
return ThreadPoolMetrics.getJmxThreadPools(mbeanServerConn);
}
/**
* Retrieve ColumnFamily metrics
* @param ks Keyspace for which stats are to be displayed.
* @param cf ColumnFamily for which stats are to be displayed.
* @param metricName View {@link org.apache.cassandra.metrics.ColumnFamilyMetrics}.
*/
public Object getColumnFamilyMetric(String ks, String cf, String metricName)
{
try
{
String type = cf.contains(".") ? "IndexColumnFamily": "ColumnFamily";
ObjectName oName = new ObjectName(String.format("org.apache.cassandra.metrics:type=%s,keyspace=%s,scope=%s,name=%s", type, ks, cf, metricName));
switch(metricName)
{
case "BloomFilterDiskSpaceUsed":
case "BloomFilterFalsePositives":
case "BloomFilterFalseRatio":
case "BloomFilterOffHeapMemoryUsed":
case "IndexSummaryOffHeapMemoryUsed":
case "CompressionMetadataOffHeapMemoryUsed":
case "CompressionRatio":
case "EstimatedColumnCountHistogram":
case "EstimatedRowSizeHistogram":
case "EstimatedRowCount":
case "KeyCacheHitRate":
case "LiveSSTableCount":
case "MaxRowSize":
case "MeanRowSize":
case "MemtableColumnsCount":
case "MemtableLiveDataSize":
case "MemtableOffHeapSize":
case "MinRowSize":
case "RecentBloomFilterFalsePositives":
case "RecentBloomFilterFalseRatio":
case "SnapshotsSize":
return JMX.newMBeanProxy(mbeanServerConn, oName, CassandraMetricsRegistry.JmxGaugeMBean.class).getValue();
case "LiveDiskSpaceUsed":
case "MemtableSwitchCount":
case "SpeculativeRetries":
case "TotalDiskSpaceUsed":
case "WriteTotalLatency":
case "ReadTotalLatency":
case "PendingFlushes":
return JMX.newMBeanProxy(mbeanServerConn, oName, CassandraMetricsRegistry.JmxCounterMBean.class).getCount();
case "CoordinatorReadLatency":
case "CoordinatorScanLatency":
case "ReadLatency":
case "WriteLatency":
return JMX.newMBeanProxy(mbeanServerConn, oName, CassandraMetricsRegistry.JmxTimerMBean.class);
case "LiveScannedHistogram":
case "SSTablesPerReadHistogram":
case "TombstoneScannedHistogram":
return JMX.newMBeanProxy(mbeanServerConn, oName, CassandraMetricsRegistry.JmxHistogramMBean.class);
default:
throw new RuntimeException("Unknown table metric.");
}
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
/**
* Retrieve Proxy metrics
* @param scope RangeSlice, Read or Write
*/
public CassandraMetricsRegistry.JmxTimerMBean getProxyMetric(String scope)
{
try
{
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=ClientRequest,scope=" + scope + ",name=Latency"),
CassandraMetricsRegistry.JmxTimerMBean.class);
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
/**
* Retrieve Proxy metrics
* @param metricName CompletedTasks, PendingTasks, BytesCompacted or TotalCompactionsCompleted.
*/
public Object getCompactionMetric(String metricName)
{
try
{
switch(metricName)
{
case "BytesCompacted":
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=Compaction,name=" + metricName),
CassandraMetricsRegistry.JmxCounterMBean.class);
case "CompletedTasks":
case "PendingTasks":
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=Compaction,name=" + metricName),
CassandraMetricsRegistry.JmxGaugeMBean.class).getValue();
case "TotalCompactionsCompleted":
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=Compaction,name=" + metricName),
CassandraMetricsRegistry.JmxMeterMBean.class);
default:
throw new RuntimeException("Unknown compaction metric.");
}
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
/**
* Retrieve Proxy metrics
* @param metricName Exceptions, Load, TotalHints or TotalHintsInProgress.
*/
public long getStorageMetric(String metricName)
{
try
{
return JMX.newMBeanProxy(mbeanServerConn,
new ObjectName("org.apache.cassandra.metrics:type=Storage,name=" + metricName),
CassandraMetricsRegistry.JmxCounterMBean.class).getCount();
}
catch (MalformedObjectNameException e)
{
throw new RuntimeException(e);
}
}
public double[] metricPercentilesAsArray(CassandraMetricsRegistry.JmxHistogramMBean metric)
{
return new double[]{ metric.get50thPercentile(),
metric.get75thPercentile(),
metric.get95thPercentile(),
metric.get98thPercentile(),
metric.get99thPercentile(),
metric.getMin(),
metric.getMax()};
}
public double[] metricPercentilesAsArray(CassandraMetricsRegistry.JmxTimerMBean metric)
{
return new double[]{ metric.get50thPercentile(),
metric.get75thPercentile(),
metric.get95thPercentile(),
metric.get98thPercentile(),
metric.get99thPercentile(),
metric.getMin(),
metric.getMax()};
}
public TabularData getCompactionHistory()
{
return compactionProxy.getCompactionHistory();
}
public void reloadTriggers()
{
spProxy.reloadTriggerClasses();
}
public void setLoggingLevel(String classQualifier, String level)
{
try
{
ssProxy.setLoggingLevel(classQualifier, level);
}
catch (Exception e)
{
throw new RuntimeException("Error setting log for " + classQualifier +" on level " + level +". Please check logback configuration and ensure to have getLoggingLevels()
{
return ssProxy.getLoggingLevels();
}
public void resumeBootstrap(PrintStream out) throws IOException
{
BootstrapMonitor monitor = new BootstrapMonitor(out);
try
{
jmxc.addConnectionNotificationListener(monitor, null, null);
ssProxy.addNotificationListener(monitor, null, null);
if (ssProxy.resumeBootstrap())
{
out.println("Resuming bootstrap");
monitor.awaitCompletion();
}
else
{
out.println("Node is already bootstrapped.");
}
}
catch (Exception e)
{
throw new IOException(e);
}
finally
{
try
{
ssProxy.removeNotificationListener(monitor);
jmxc.removeConnectionNotificationListener(monitor);
}
catch (Throwable e)
{
out.println("Exception occurred during clean-up. " + e);
}
}
}
public TabularData getFailureDetectorPhilValues()
{
try
{
return fdProxy.getPhiValues();
}
catch (OpenDataException e)
{
throw new RuntimeException(e);
}
}
}
class ColumnFamilyStoreMBeanIterator implements Iterator>
{
private MBeanServerConnection mbeanServerConn;
Iterator> mbeans;
public ColumnFamilyStoreMBeanIterator(MBeanServerConnection mbeanServerConn)
throws MalformedObjectNameException, NullPointerException, IOException
{
this.mbeanServerConn = mbeanServerConn;
List> cfMbeans = getCFSMBeans(mbeanServerConn, "ColumnFamilies");
cfMbeans.addAll(getCFSMBeans(mbeanServerConn, "IndexColumnFamilies"));
Collections.sort(cfMbeans, new Comparator>()
{
public int compare(Entry e1, Entry e2)
{
//compare keyspace, then CF name, then normal vs. index
int keyspaceNameCmp = e1.getKey().compareTo(e2.getKey());
if(keyspaceNameCmp != 0)
return keyspaceNameCmp;
// get CF name and split it for index name
String e1CF[] = e1.getValue().getColumnFamilyName().split("\\.");
String e2CF[] = e2.getValue().getColumnFamilyName().split("\\.");
assert e1CF.length <= 2 && e2CF.length <= 2 : "unexpected split count for table name";
//if neither are indexes, just compare CF names
if(e1CF.length == 1 && e2CF.length == 1)
return e1CF[0].compareTo(e2CF[0]);
//check if it's the same CF
int cfNameCmp = e1CF[0].compareTo(e2CF[0]);
if(cfNameCmp != 0)
return cfNameCmp;
// if both are indexes (for the same CF), compare them
if(e1CF.length == 2 && e2CF.length == 2)
return e1CF[1].compareTo(e2CF[1]);
//if length of e1CF is 1, it's not an index, so sort it higher
return e1CF.length == 1 ? 1 : -1;
}
});
mbeans = cfMbeans.iterator();
}
private List> getCFSMBeans(MBeanServerConnection mbeanServerConn, String type)
throws MalformedObjectNameException, IOException
{
ObjectName query = new ObjectName("org.apache.cassandra.db:type=" + type +",*");
Set cfObjects = mbeanServerConn.queryNames(query, null);
List> mbeans = new ArrayList>(cfObjects.size());
for(ObjectName n : cfObjects)
{
String keyspaceName = n.getKeyProperty("keyspace");
ColumnFamilyStoreMBean cfsProxy = JMX.newMBeanProxy(mbeanServerConn, n, ColumnFamilyStoreMBean.class);
mbeans.add(new AbstractMap.SimpleImmutableEntry(keyspaceName, cfsProxy));
}
return mbeans;
}
public boolean hasNext()
{
return mbeans.hasNext();
}
public Entry next()
{
return mbeans.next();
}
public void remove()
{
throw new UnsupportedOperationException();
}
}