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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.hadoop.hbase.chaos.factories;
import org.apache.hadoop.hbase.chaos.actions.*;
import org.apache.hadoop.hbase.chaos.monkies.ChaosMonkey;
import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey;
import org.apache.hadoop.hbase.chaos.policies.CompositeSequentialPolicy;
import org.apache.hadoop.hbase.chaos.policies.DoActionsOncePolicy;
import org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy;
public class SlowDeterministicMonkeyFactory extends MonkeyFactory {
private long action1Period;
private long action2Period;
private long action3Period;
private long action4Period;
private long moveRegionsMaxTime;
private long moveRegionsSleepTime;
private long moveRandomRegionSleepTime;
private long restartRandomRSSleepTime;
private long batchRestartRSSleepTime;
private float batchRestartRSRatio;
private long restartActiveMasterSleepTime;
private long rollingBatchRestartRSSleepTime;
private float rollingBatchRestartRSRatio;
private long restartRsHoldingMetaSleepTime;
private float compactTableRatio;
private float compactRandomRegionRatio;
private long decreaseHFileSizeSleepTime;
@Override
public ChaosMonkey build() {
loadProperties();
// Actions such as compact/flush a table/region,
// move one region around. They are not so destructive,
// can be executed more frequently.
Action[] actions1 = new Action[] {
new CompactTableAction(tableName, compactTableRatio),
new CompactRandomRegionOfTableAction(tableName, compactRandomRegionRatio),
new FlushTableAction(tableName),
new FlushRandomRegionOfTableAction(tableName),
new MoveRandomRegionOfTableAction(tableName)
};
// Actions such as split/merge/snapshot.
// They should not cause data loss, or unreliability
// such as region stuck in transition.
Action[] actions2 = new Action[] {
new SplitRandomRegionOfTableAction(tableName),
new MergeRandomAdjacentRegionsOfTableAction(tableName),
new SnapshotTableAction(tableName),
new AddColumnAction(tableName),
new RemoveColumnAction(tableName, columnFamilies),
new ChangeEncodingAction(tableName),
new ChangeCompressionAction(tableName),
new ChangeBloomFilterAction(tableName),
new ChangeVersionsAction(tableName),
new ChangeSplitPolicyAction(tableName),
};
// Destructive actions to mess things around.
Action[] actions3 = new Action[] {
new MoveRegionsOfTableAction(moveRegionsSleepTime, moveRegionsMaxTime,
tableName),
new MoveRandomRegionOfTableAction(moveRandomRegionSleepTime, tableName),
new RestartRandomRsAction(restartRandomRSSleepTime),
new BatchRestartRsAction(batchRestartRSSleepTime, batchRestartRSRatio),
new RestartActiveMasterAction(restartActiveMasterSleepTime),
new RollingBatchRestartRsAction(rollingBatchRestartRSSleepTime,
rollingBatchRestartRSRatio),
new RestartRsHoldingMetaAction(restartRsHoldingMetaSleepTime),
new DecreaseMaxHFileSizeAction(decreaseHFileSizeSleepTime, tableName),
new SplitAllRegionOfTableAction(tableName),
};
// Action to log more info for debugging
Action[] actions4 = new Action[] {
new DumpClusterStatusAction()
};
return new PolicyBasedChaosMonkey(util,
new PeriodicRandomActionPolicy(action1Period, actions1),
new PeriodicRandomActionPolicy(action2Period, actions2),
new CompositeSequentialPolicy(
new DoActionsOncePolicy(action3Period, actions3),
new PeriodicRandomActionPolicy(action3Period, actions3)),
new PeriodicRandomActionPolicy(action4Period, actions4));
}
private void loadProperties() {
action1Period = Long.parseLong(this.properties.getProperty(
MonkeyConstants.PERIODIC_ACTION1_PERIOD,
MonkeyConstants.DEFAULT_PERIODIC_ACTION1_PERIOD + ""));
action2Period = Long.parseLong(this.properties.getProperty(
MonkeyConstants.PERIODIC_ACTION2_PERIOD,
MonkeyConstants.DEFAULT_PERIODIC_ACTION2_PERIOD + ""));
action3Period = Long.parseLong(this.properties.getProperty(
MonkeyConstants.COMPOSITE_ACTION3_PERIOD,
MonkeyConstants.DEFAULT_COMPOSITE_ACTION3_PERIOD + ""));
action4Period = Long.parseLong(this.properties.getProperty(
MonkeyConstants.PERIODIC_ACTION4_PERIOD,
MonkeyConstants.DEFAULT_PERIODIC_ACTION4_PERIOD + ""));
moveRegionsMaxTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.MOVE_REGIONS_MAX_TIME,
MonkeyConstants.DEFAULT_MOVE_REGIONS_MAX_TIME + ""));
moveRegionsSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.MOVE_REGIONS_SLEEP_TIME,
MonkeyConstants.DEFAULT_MOVE_REGIONS_SLEEP_TIME + ""));
moveRandomRegionSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.MOVE_RANDOM_REGION_SLEEP_TIME,
MonkeyConstants.DEFAULT_MOVE_RANDOM_REGION_SLEEP_TIME + ""));
restartRandomRSSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.RESTART_RANDOM_RS_SLEEP_TIME,
MonkeyConstants.DEFAULT_RESTART_RANDOM_RS_SLEEP_TIME + ""));
batchRestartRSSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.BATCH_RESTART_RS_SLEEP_TIME,
MonkeyConstants.DEFAULT_BATCH_RESTART_RS_SLEEP_TIME + ""));
batchRestartRSRatio = Float.parseFloat(this.properties.getProperty(
MonkeyConstants.BATCH_RESTART_RS_RATIO,
MonkeyConstants.DEFAULT_BATCH_RESTART_RS_RATIO + ""));
restartActiveMasterSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.RESTART_ACTIVE_MASTER_SLEEP_TIME,
MonkeyConstants.DEFAULT_RESTART_ACTIVE_MASTER_SLEEP_TIME + ""));
rollingBatchRestartRSSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.ROLLING_BATCH_RESTART_RS_SLEEP_TIME,
MonkeyConstants.DEFAULT_ROLLING_BATCH_RESTART_RS_SLEEP_TIME + ""));
rollingBatchRestartRSRatio = Float.parseFloat(this.properties.getProperty(
MonkeyConstants.ROLLING_BATCH_RESTART_RS_RATIO,
MonkeyConstants.DEFAULT_ROLLING_BATCH_RESTART_RS_RATIO + ""));
restartRsHoldingMetaSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.RESTART_RS_HOLDING_META_SLEEP_TIME,
MonkeyConstants.DEFAULT_RESTART_RS_HOLDING_META_SLEEP_TIME + ""));
compactTableRatio = Float.parseFloat(this.properties.getProperty(
MonkeyConstants.COMPACT_TABLE_ACTION_RATIO,
MonkeyConstants.DEFAULT_COMPACT_TABLE_ACTION_RATIO + ""));
compactRandomRegionRatio = Float.parseFloat(this.properties.getProperty(
MonkeyConstants.COMPACT_RANDOM_REGION_RATIO,
MonkeyConstants.DEFAULT_COMPACT_RANDOM_REGION_RATIO + ""));
decreaseHFileSizeSleepTime = Long.parseLong(this.properties.getProperty(
MonkeyConstants.DECREASE_HFILE_SIZE_SLEEP_TIME,
MonkeyConstants.DEFAULT_DECREASE_HFILE_SIZE_SLEEP_TIME + ""));
}
}