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Elasticsearch subproject :server
/*
* 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 org.apache.lucene.store.RateLimiter;
import org.apache.lucene.store.RateLimiter.SimpleRateLimiter;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Setting.Property;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.unit.TimeValue;
public class RecoverySettings extends AbstractComponent {
public static final Setting INDICES_RECOVERY_MAX_BYTES_PER_SEC_SETTING =
Setting.byteSizeSetting("indices.recovery.max_bytes_per_sec", new ByteSizeValue(40, ByteSizeUnit.MB),
Property.Dynamic, Property.NodeScope);
/**
* 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 Setting INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC_SETTING =
Setting.positiveTimeSetting("indices.recovery.retry_delay_state_sync", TimeValue.timeValueMillis(500),
Property.Dynamic, Property.NodeScope);
/** how long to wait before retrying after network related issues */
public static final Setting INDICES_RECOVERY_RETRY_DELAY_NETWORK_SETTING =
Setting.positiveTimeSetting("indices.recovery.retry_delay_network", TimeValue.timeValueSeconds(5),
Property.Dynamic, Property.NodeScope);
/** timeout value to use for requests made as part of the recovery process */
public static final Setting INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT_SETTING =
Setting.positiveTimeSetting("indices.recovery.internal_action_timeout", TimeValue.timeValueMinutes(15),
Property.Dynamic, Property.NodeScope);
/**
* 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 Setting INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT_SETTING =
Setting.timeSetting("indices.recovery.internal_action_long_timeout",
(s) -> TimeValue.timeValueMillis(INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT_SETTING.get(s).millis() * 2),
TimeValue.timeValueSeconds(0), Property.Dynamic, Property.NodeScope);
/**
* 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 Setting INDICES_RECOVERY_ACTIVITY_TIMEOUT_SETTING =
Setting.timeSetting("indices.recovery.recovery_activity_timeout",
INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT_SETTING::get, TimeValue.timeValueSeconds(0),
Property.Dynamic, Property.NodeScope);
public static final ByteSizeValue DEFAULT_CHUNK_SIZE = new ByteSizeValue(512, ByteSizeUnit.KB);
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;
private volatile ByteSizeValue chunkSize = DEFAULT_CHUNK_SIZE;
public RecoverySettings(Settings settings, ClusterSettings clusterSettings) {
super(settings);
this.retryDelayStateSync = INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC_SETTING.get(settings);
// 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 = INDICES_RECOVERY_RETRY_DELAY_NETWORK_SETTING.get(settings);
this.internalActionTimeout = INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT_SETTING.get(settings);
this.internalActionLongTimeout = INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT_SETTING.get(settings);
this.activityTimeout = INDICES_RECOVERY_ACTIVITY_TIMEOUT_SETTING.get(settings);
this.maxBytesPerSec = INDICES_RECOVERY_MAX_BYTES_PER_SEC_SETTING.get(settings);
if (maxBytesPerSec.getBytes() <= 0) {
rateLimiter = null;
} else {
rateLimiter = new SimpleRateLimiter(maxBytesPerSec.getMbFrac());
}
logger.debug("using max_bytes_per_sec[{}]", maxBytesPerSec);
clusterSettings.addSettingsUpdateConsumer(INDICES_RECOVERY_MAX_BYTES_PER_SEC_SETTING, this::setMaxBytesPerSec);
clusterSettings.addSettingsUpdateConsumer(INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC_SETTING, this::setRetryDelayStateSync);
clusterSettings.addSettingsUpdateConsumer(INDICES_RECOVERY_RETRY_DELAY_NETWORK_SETTING, this::setRetryDelayNetwork);
clusterSettings.addSettingsUpdateConsumer(INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT_SETTING, this::setInternalActionTimeout);
clusterSettings.addSettingsUpdateConsumer(INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT_SETTING, this::setInternalActionLongTimeout);
clusterSettings.addSettingsUpdateConsumer(INDICES_RECOVERY_ACTIVITY_TIMEOUT_SETTING, this::setActivityTimeout);
}
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;
}
public ByteSizeValue getChunkSize() { return chunkSize; }
public void setChunkSize(ByteSizeValue chunkSize) { // only settable for tests
if (chunkSize.bytesAsInt() <= 0) {
throw new IllegalArgumentException("chunkSize must be > 0");
}
this.chunkSize = chunkSize;
}
public void setRetryDelayStateSync(TimeValue retryDelayStateSync) {
this.retryDelayStateSync = retryDelayStateSync;
}
public void setRetryDelayNetwork(TimeValue retryDelayNetwork) {
this.retryDelayNetwork = retryDelayNetwork;
}
public void setActivityTimeout(TimeValue activityTimeout) {
this.activityTimeout = activityTimeout;
}
public void setInternalActionTimeout(TimeValue internalActionTimeout) {
this.internalActionTimeout = internalActionTimeout;
}
public void setInternalActionLongTimeout(TimeValue internalActionLongTimeout) {
this.internalActionLongTimeout = internalActionLongTimeout;
}
private void setMaxBytesPerSec(ByteSizeValue maxBytesPerSec) {
this.maxBytesPerSec = maxBytesPerSec;
if (maxBytesPerSec.getBytes() <= 0) {
rateLimiter = null;
} else if (rateLimiter != null) {
rateLimiter.setMBPerSec(maxBytesPerSec.getMbFrac());
} else {
rateLimiter = new SimpleRateLimiter(maxBytesPerSec.getMbFrac());
}
}
}