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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.indices.recovery;
import com.google.common.base.Objects;
import org.apache.lucene.store.RateLimiter;
import org.apache.lucene.store.RateLimiter.SimpleRateLimiter;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.util.concurrent.EsExecutors;
import org.elasticsearch.node.settings.NodeSettingsService;
import org.elasticsearch.threadpool.ThreadPool;
import java.io.Closeable;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/**
*/
public class RecoverySettings extends AbstractComponent implements Closeable {
public static final String INDICES_RECOVERY_FILE_CHUNK_SIZE = "indices.recovery.file_chunk_size";
public static final String INDICES_RECOVERY_TRANSLOG_OPS = "indices.recovery.translog_ops";
public static final String INDICES_RECOVERY_TRANSLOG_SIZE = "indices.recovery.translog_size";
public static final String INDICES_RECOVERY_COMPRESS = "indices.recovery.compress";
public static final String INDICES_RECOVERY_CONCURRENT_STREAMS = "indices.recovery.concurrent_streams";
public static final String INDICES_RECOVERY_CONCURRENT_SMALL_FILE_STREAMS = "indices.recovery.concurrent_small_file_streams";
public static final String INDICES_RECOVERY_MAX_BYTES_PER_SEC = "indices.recovery.max_bytes_per_sec";
/**
* how long to wait before retrying after issues cause by cluster state syncing between nodes
* i.e., local node is not yet known on remote node, remote shard not yet started etc.
*/
public static final String INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC = "indices.recovery.retry_delay_state_sync";
/** how long to wait before retrying after network related issues */
public static final String INDICES_RECOVERY_RETRY_DELAY_NETWORK = "indices.recovery.retry_delay_network";
/**
* recoveries that don't show any activity for more then this interval will be failed.
* defaults to `indices.recovery.internal_action_long_timeout`
*/
public static final String INDICES_RECOVERY_ACTIVITY_TIMEOUT = "indices.recovery.recovery_activity_timeout";
/** timeout value to use for requests made as part of the recovery process */
public static final String INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT = "indices.recovery.internal_action_timeout";
/**
* timeout value to use for requests made as part of the recovery process that are expected to take long time.
* defaults to twice `indices.recovery.internal_action_timeout`.
*/
public static final String INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT = "indices.recovery.internal_action_long_timeout";
public static final long SMALL_FILE_CUTOFF_BYTES = ByteSizeValue.parseBytesSizeValue("5mb").bytes();
/**
* Use {@link #INDICES_RECOVERY_MAX_BYTES_PER_SEC} instead
*/
@Deprecated
public static final String INDICES_RECOVERY_MAX_SIZE_PER_SEC = "indices.recovery.max_size_per_sec";
private volatile ByteSizeValue fileChunkSize;
private volatile boolean compress;
private volatile int translogOps;
private volatile ByteSizeValue translogSize;
private volatile int concurrentStreams;
private volatile int concurrentSmallFileStreams;
private final ThreadPoolExecutor concurrentStreamPool;
private final ThreadPoolExecutor concurrentSmallFileStreamPool;
private volatile ByteSizeValue maxBytesPerSec;
private volatile SimpleRateLimiter rateLimiter;
private volatile TimeValue retryDelayStateSync;
private volatile TimeValue retryDelayNetwork;
private volatile TimeValue activityTimeout;
private volatile TimeValue internalActionTimeout;
private volatile TimeValue internalActionLongTimeout;
@Inject
public RecoverySettings(Settings settings, NodeSettingsService nodeSettingsService) {
super(settings);
this.fileChunkSize = settings.getAsBytesSize(INDICES_RECOVERY_FILE_CHUNK_SIZE, settings.getAsBytesSize("index.shard.recovery.file_chunk_size", new ByteSizeValue(512, ByteSizeUnit.KB)));
this.translogOps = settings.getAsInt(INDICES_RECOVERY_TRANSLOG_OPS, settings.getAsInt("index.shard.recovery.translog_ops", 1000));
this.translogSize = settings.getAsBytesSize(INDICES_RECOVERY_TRANSLOG_SIZE, settings.getAsBytesSize("index.shard.recovery.translog_size", new ByteSizeValue(512, ByteSizeUnit.KB)));
this.compress = settings.getAsBoolean(INDICES_RECOVERY_COMPRESS, true);
this.retryDelayStateSync = settings.getAsTime(INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC, TimeValue.timeValueMillis(500));
// doesn't have to be fast as nodes are reconnected every 10s by default (see InternalClusterService.ReconnectToNodes)
// and we want to give the master time to remove a faulty node
this.retryDelayNetwork = settings.getAsTime(INDICES_RECOVERY_RETRY_DELAY_NETWORK, TimeValue.timeValueSeconds(5));
this.internalActionTimeout = settings.getAsTime(INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT, TimeValue.timeValueMinutes(15));
this.internalActionLongTimeout = settings.getAsTime(INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT, new TimeValue(internalActionTimeout.millis() * 2));
this.activityTimeout = settings.getAsTime(INDICES_RECOVERY_ACTIVITY_TIMEOUT,
// default to the internalActionLongTimeout used as timeouts on RecoverySource
internalActionLongTimeout
);
this.concurrentStreams = componentSettings.getAsInt("concurrent_streams", settings.getAsInt("index.shard.recovery.concurrent_streams", 3));
this.concurrentStreamPool = EsExecutors.newScaling(0, concurrentStreams, 60, TimeUnit.SECONDS, EsExecutors.daemonThreadFactory(settings, "[recovery_stream]"));
this.concurrentSmallFileStreams = componentSettings.getAsInt("concurrent_small_file_streams", settings.getAsInt("index.shard.recovery.concurrent_small_file_streams", 2));
this.concurrentSmallFileStreamPool = EsExecutors.newScaling(0, concurrentSmallFileStreams, 60, TimeUnit.SECONDS, EsExecutors.daemonThreadFactory(settings, "[small_file_recovery_stream]"));
this.maxBytesPerSec = componentSettings.getAsBytesSize("max_bytes_per_sec", componentSettings.getAsBytesSize("max_size_per_sec", new ByteSizeValue(40, ByteSizeUnit.MB)));
if (maxBytesPerSec.bytes() <= 0) {
rateLimiter = null;
} else {
rateLimiter = new SimpleRateLimiter(maxBytesPerSec.mbFrac());
}
logger.debug("using max_bytes_per_sec[{}], concurrent_streams [{}], file_chunk_size [{}], translog_size [{}], translog_ops [{}], and compress [{}]",
maxBytesPerSec, concurrentStreams, fileChunkSize, translogSize, translogOps, compress);
nodeSettingsService.addListener(new ApplySettings());
}
public void close() {
ThreadPool.terminate(concurrentStreamPool, 1, TimeUnit.SECONDS);
ThreadPool.terminate(concurrentSmallFileStreamPool, 1, TimeUnit.SECONDS);
}
public ByteSizeValue fileChunkSize() {
return fileChunkSize;
}
public boolean compress() {
return compress;
}
public int translogOps() {
return translogOps;
}
public ByteSizeValue translogSize() {
return translogSize;
}
public int concurrentStreams() {
return concurrentStreams;
}
public ThreadPoolExecutor concurrentStreamPool() {
return concurrentStreamPool;
}
public ThreadPoolExecutor concurrentSmallFileStreamPool() {
return concurrentSmallFileStreamPool;
}
public RateLimiter rateLimiter() {
return rateLimiter;
}
public TimeValue retryDelayNetwork() {
return retryDelayNetwork;
}
public TimeValue retryDelayStateSync() {
return retryDelayStateSync;
}
public TimeValue activityTimeout() {
return activityTimeout;
}
public TimeValue internalActionTimeout() {
return internalActionTimeout;
}
public TimeValue internalActionLongTimeout() {
return internalActionLongTimeout;
}
class ApplySettings implements NodeSettingsService.Listener {
@Override
public void onRefreshSettings(Settings settings) {
ByteSizeValue maxSizePerSec = settings.getAsBytesSize(INDICES_RECOVERY_MAX_BYTES_PER_SEC, settings.getAsBytesSize(INDICES_RECOVERY_MAX_SIZE_PER_SEC, RecoverySettings.this.maxBytesPerSec));
if (!Objects.equal(maxSizePerSec, RecoverySettings.this.maxBytesPerSec)) {
logger.info("updating [{}] from [{}] to [{}]", INDICES_RECOVERY_MAX_BYTES_PER_SEC, RecoverySettings.this.maxBytesPerSec, maxSizePerSec);
RecoverySettings.this.maxBytesPerSec = maxSizePerSec;
if (maxSizePerSec.bytes() <= 0) {
rateLimiter = null;
} else if (rateLimiter != null) {
rateLimiter.setMbPerSec(maxSizePerSec.mbFrac());
} else {
rateLimiter = new SimpleRateLimiter(maxSizePerSec.mbFrac());
}
}
ByteSizeValue fileChunkSize = settings.getAsBytesSize(INDICES_RECOVERY_FILE_CHUNK_SIZE, RecoverySettings.this.fileChunkSize);
if (!fileChunkSize.equals(RecoverySettings.this.fileChunkSize)) {
logger.info("updating [indices.recovery.file_chunk_size] from [{}] to [{}]", RecoverySettings.this.fileChunkSize, fileChunkSize);
RecoverySettings.this.fileChunkSize = fileChunkSize;
}
int translogOps = settings.getAsInt(INDICES_RECOVERY_TRANSLOG_OPS, RecoverySettings.this.translogOps);
if (translogOps != RecoverySettings.this.translogOps) {
logger.info("updating [indices.recovery.translog_ops] from [{}] to [{}]", RecoverySettings.this.translogOps, translogOps);
RecoverySettings.this.translogOps = translogOps;
}
ByteSizeValue translogSize = settings.getAsBytesSize(INDICES_RECOVERY_TRANSLOG_SIZE, RecoverySettings.this.translogSize);
if (!translogSize.equals(RecoverySettings.this.translogSize)) {
logger.info("updating [indices.recovery.translog_size] from [{}] to [{}]", RecoverySettings.this.translogSize, translogSize);
RecoverySettings.this.translogSize = translogSize;
}
boolean compress = settings.getAsBoolean(INDICES_RECOVERY_COMPRESS, RecoverySettings.this.compress);
if (compress != RecoverySettings.this.compress) {
logger.info("updating [indices.recovery.compress] from [{}] to [{}]", RecoverySettings.this.compress, compress);
RecoverySettings.this.compress = compress;
}
int concurrentStreams = settings.getAsInt(INDICES_RECOVERY_CONCURRENT_STREAMS, RecoverySettings.this.concurrentStreams);
if (concurrentStreams != RecoverySettings.this.concurrentStreams) {
logger.info("updating [indices.recovery.concurrent_streams] from [{}] to [{}]", RecoverySettings.this.concurrentStreams, concurrentStreams);
RecoverySettings.this.concurrentStreams = concurrentStreams;
RecoverySettings.this.concurrentStreamPool.setMaximumPoolSize(concurrentStreams);
}
int concurrentSmallFileStreams = settings.getAsInt(INDICES_RECOVERY_CONCURRENT_SMALL_FILE_STREAMS, RecoverySettings.this.concurrentSmallFileStreams);
if (concurrentSmallFileStreams != RecoverySettings.this.concurrentSmallFileStreams) {
logger.info("updating [indices.recovery.concurrent_small_file_streams] from [{}] to [{}]", RecoverySettings.this.concurrentSmallFileStreams, concurrentSmallFileStreams);
RecoverySettings.this.concurrentSmallFileStreams = concurrentSmallFileStreams;
RecoverySettings.this.concurrentSmallFileStreamPool.setMaximumPoolSize(concurrentSmallFileStreams);
}
RecoverySettings.this.retryDelayNetwork = maybeUpdate(RecoverySettings.this.retryDelayNetwork, settings, INDICES_RECOVERY_RETRY_DELAY_NETWORK);
RecoverySettings.this.retryDelayStateSync = maybeUpdate(RecoverySettings.this.retryDelayStateSync, settings, INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC);
RecoverySettings.this.activityTimeout = maybeUpdate(RecoverySettings.this.activityTimeout, settings, INDICES_RECOVERY_ACTIVITY_TIMEOUT);
RecoverySettings.this.internalActionTimeout = maybeUpdate(RecoverySettings.this.internalActionTimeout, settings, INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT);
RecoverySettings.this.internalActionLongTimeout = maybeUpdate(RecoverySettings.this.internalActionLongTimeout, settings, INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT);
}
private TimeValue maybeUpdate(final TimeValue currentValue, final Settings settings, final String key) {
final TimeValue value = settings.getAsTime(key, currentValue);
if (value.equals(currentValue)) {
return currentValue;
}
logger.info("updating [] from [{}] to [{}]", key, currentValue, value);
return value;
}
}
}