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A fork of the Apache Cassandra Project that uses Lucene indexes for providing near real time search such as ElasticSearch or Solr, including full text search capabilities, multi-dimensional queries, and relevance scoring.
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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.config;
import java.io.IOException;
import java.io.StringReader;
import java.util.List;
import java.util.Set;
import com.google.common.collect.Sets;
import org.supercsv.io.CsvListReader;
import org.supercsv.prefs.CsvPreference;
import org.apache.cassandra.config.EncryptionOptions.ClientEncryptionOptions;
import org.apache.cassandra.config.EncryptionOptions.ServerEncryptionOptions;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.io.util.NativeAllocator;
import org.apache.cassandra.utils.FBUtilities;
/**
* A class that contains configuration properties for the cassandra node it runs within.
*
* Properties declared as volatile can be mutated via JMX.
*/
public class Config
{
public String cluster_name = "Test Cluster";
public String authenticator;
public String authorizer;
public int permissions_validity_in_ms = 2000;
/* Hashing strategy Random or OPHF */
public String partitioner;
public Boolean auto_bootstrap = true;
public volatile boolean hinted_handoff_enabled_global = true;
public String hinted_handoff_enabled;
public Set hinted_handoff_enabled_by_dc = Sets.newConcurrentHashSet();
public volatile Integer max_hint_window_in_ms = 3600 * 1000; // one hour
public SeedProviderDef seed_provider;
public DiskAccessMode disk_access_mode = DiskAccessMode.auto;
public DiskFailurePolicy disk_failure_policy = DiskFailurePolicy.ignore;
public CommitFailurePolicy commit_failure_policy = CommitFailurePolicy.stop;
/* initial token in the ring */
public String initial_token;
public Integer num_tokens = 1;
public volatile Long request_timeout_in_ms = 10000L;
public volatile Long read_request_timeout_in_ms = 5000L;
public volatile Long range_request_timeout_in_ms = 10000L;
public volatile Long write_request_timeout_in_ms = 2000L;
public volatile Long counter_write_request_timeout_in_ms = 5000L;
public volatile Long cas_contention_timeout_in_ms = 1000L;
public volatile Long truncate_request_timeout_in_ms = 60000L;
public Integer streaming_socket_timeout_in_ms = 0;
public boolean cross_node_timeout = false;
public volatile Double phi_convict_threshold = 8.0;
public Integer concurrent_reads = 32;
public Integer concurrent_writes = 32;
public Integer concurrent_counter_writes = 32;
@Deprecated
public Integer concurrent_replicates = null;
public Integer memtable_flush_writers = null;
public Integer memtable_heap_space_in_mb;
public Integer memtable_offheap_space_in_mb;
public Float memtable_cleanup_threshold = null;
public Integer storage_port = 7000;
public Integer ssl_storage_port = 7001;
public String listen_address;
public String broadcast_address;
public String internode_authenticator;
public Boolean start_rpc = true;
public String rpc_address;
public String broadcast_rpc_address;
public Integer rpc_port = 9160;
public Integer rpc_listen_backlog = 50;
public String rpc_server_type = "sync";
public Boolean rpc_keepalive = true;
public Integer rpc_min_threads = 16;
public Integer rpc_max_threads = Integer.MAX_VALUE;
public Integer rpc_send_buff_size_in_bytes;
public Integer rpc_recv_buff_size_in_bytes;
public Integer internode_send_buff_size_in_bytes;
public Integer internode_recv_buff_size_in_bytes;
public Boolean start_native_transport = false;
public Integer native_transport_port = 9042;
public Integer native_transport_max_threads = 128;
public Integer native_transport_max_frame_size_in_mb = 256;
@Deprecated
public Integer thrift_max_message_length_in_mb = 16;
public Integer thrift_framed_transport_size_in_mb = 15;
public Boolean snapshot_before_compaction = false;
public Boolean auto_snapshot = true;
/* if the size of columns or super-columns are more than this, indexing will kick in */
public Integer column_index_size_in_kb = 64;
public Integer batch_size_warn_threshold_in_kb = 5;
public Integer concurrent_compactors;
public volatile Integer compaction_throughput_mb_per_sec = 16;
public Integer max_streaming_retries = 3;
public volatile Integer stream_throughput_outbound_megabits_per_sec = 200;
public volatile Integer inter_dc_stream_throughput_outbound_megabits_per_sec = 0;
public String[] data_file_directories;
public String saved_caches_directory;
// Commit Log
public String commitlog_directory;
public Integer commitlog_total_space_in_mb;
public CommitLogSync commitlog_sync;
public Double commitlog_sync_batch_window_in_ms;
public Integer commitlog_sync_period_in_ms;
public int commitlog_segment_size_in_mb = 32;
public int commitlog_periodic_queue_size = 1024 * FBUtilities.getAvailableProcessors();
public String endpoint_snitch;
public Boolean dynamic_snitch = true;
public Integer dynamic_snitch_update_interval_in_ms = 100;
public Integer dynamic_snitch_reset_interval_in_ms = 600000;
public Double dynamic_snitch_badness_threshold = 0.1;
public String request_scheduler;
public RequestSchedulerId request_scheduler_id;
public RequestSchedulerOptions request_scheduler_options;
public ServerEncryptionOptions server_encryption_options = new ServerEncryptionOptions();
public ClientEncryptionOptions client_encryption_options = new ClientEncryptionOptions();
// this encOptions is for backward compatibility (a warning is logged by DatabaseDescriptor)
public ServerEncryptionOptions encryption_options;
public InternodeCompression internode_compression = InternodeCompression.none;
@Deprecated
public Integer index_interval = null;
public int hinted_handoff_throttle_in_kb = 1024;
public int batchlog_replay_throttle_in_kb = 1024;
public int max_hints_delivery_threads = 1;
public int sstable_preemptive_open_interval_in_mb = 50;
public volatile boolean incremental_backups = false;
public boolean trickle_fsync = false;
public int trickle_fsync_interval_in_kb = 10240;
public Long key_cache_size_in_mb = null;
public volatile int key_cache_save_period = 14400;
public volatile int key_cache_keys_to_save = Integer.MAX_VALUE;
public long row_cache_size_in_mb = 0;
public volatile int row_cache_save_period = 0;
public volatile int row_cache_keys_to_save = Integer.MAX_VALUE;
public Long counter_cache_size_in_mb = null;
public volatile int counter_cache_save_period = 7200;
public volatile int counter_cache_keys_to_save = Integer.MAX_VALUE;
public String memory_allocator = NativeAllocator.class.getSimpleName();
private static boolean isClientMode = false;
public Integer file_cache_size_in_mb;
public boolean inter_dc_tcp_nodelay = true;
public MemtableAllocationType memtable_allocation_type = MemtableAllocationType.heap_buffers;
private static boolean outboundBindAny = false;
public volatile int tombstone_warn_threshold = 1000;
public volatile int tombstone_failure_threshold = 100000;
public volatile Long index_summary_capacity_in_mb;
public volatile int index_summary_resize_interval_in_minutes = 60;
private static final CsvPreference STANDARD_SURROUNDING_SPACES_NEED_QUOTES = new CsvPreference.Builder(CsvPreference.STANDARD_PREFERENCE)
.surroundingSpacesNeedQuotes(true).build();
public static boolean getOutboundBindAny()
{
return outboundBindAny;
}
public static void setOutboundBindAny(boolean value)
{
outboundBindAny = value;
}
public static boolean isClientMode()
{
return isClientMode;
}
public static void setClientMode(boolean clientMode)
{
isClientMode = clientMode;
}
public void configHintedHandoff() throws ConfigurationException
{
if (hinted_handoff_enabled != null && !hinted_handoff_enabled.isEmpty())
{
if (hinted_handoff_enabled.equalsIgnoreCase("true"))
{
hinted_handoff_enabled_global = true;
}
else if (hinted_handoff_enabled.equalsIgnoreCase("false"))
{
hinted_handoff_enabled_global = false;
}
else
{
try
{
hinted_handoff_enabled_by_dc.addAll(parseHintedHandoffEnabledDCs(hinted_handoff_enabled));
}
catch (IOException e)
{
throw new ConfigurationException("Invalid hinted_handoff_enabled parameter " + hinted_handoff_enabled, e);
}
}
}
}
public static List parseHintedHandoffEnabledDCs(final String dcNames) throws IOException
{
final CsvListReader csvListReader = new CsvListReader(new StringReader(dcNames), STANDARD_SURROUNDING_SPACES_NEED_QUOTES);
return csvListReader.read();
}
public static enum CommitLogSync
{
periodic,
batch
}
public static enum InternodeCompression
{
all, none, dc
}
public static enum DiskAccessMode
{
auto,
mmap,
mmap_index_only,
standard,
}
public static enum MemtableAllocationType
{
unslabbed_heap_buffers,
heap_buffers,
offheap_buffers,
offheap_objects
}
public static enum DiskFailurePolicy
{
best_effort,
stop,
ignore,
stop_paranoid,
}
public static enum CommitFailurePolicy
{
stop,
stop_commit,
ignore,
}
public static enum RequestSchedulerId
{
keyspace
}
}