001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 * <p>
010 * http://www.apache.org/licenses/LICENSE-2.0
011 * <p>
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.chaos.factories;
019
020import org.apache.hadoop.hbase.chaos.actions.*;
021import org.apache.hadoop.hbase.chaos.monkies.ChaosMonkey;
022import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey;
023import org.apache.hadoop.hbase.chaos.policies.CompositeSequentialPolicy;
024import org.apache.hadoop.hbase.chaos.policies.DoActionsOncePolicy;
025import org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy;
026
027public class StressAssignmentManagerMonkeyFactory extends MonkeyFactory {
028  @Override
029  public ChaosMonkey build() {
030
031    // Actions that could slow down region movement.
032    // These could also get regions stuck if there are issues.
033    Action[] actions1 = new Action[]{
034        new CompactTableAction(tableName, 0.5f),
035        new CompactRandomRegionOfTableAction(tableName, 0.6f),
036        new FlushTableAction(tableName),
037        new FlushRandomRegionOfTableAction(tableName)
038    };
039
040    Action[] actions2 = new Action[]{
041        new SplitRandomRegionOfTableAction(tableName),
042        new MergeRandomAdjacentRegionsOfTableAction(tableName),
043        new AddColumnAction(tableName),
044        new RemoveColumnAction(tableName, columnFamilies),
045        new MoveRegionsOfTableAction(MonkeyConstants.DEFAULT_MOVE_REGIONS_SLEEP_TIME,
046            1600,
047            tableName),
048        new MoveRandomRegionOfTableAction(MonkeyConstants.DEFAULT_MOVE_RANDOM_REGION_SLEEP_TIME,
049            tableName),
050        new RestartRandomRsAction(MonkeyConstants.DEFAULT_RESTART_RANDOM_RS_SLEEP_TIME),
051        new BatchRestartRsAction(MonkeyConstants.DEFAULT_ROLLING_BATCH_RESTART_RS_SLEEP_TIME, 0.5f),
052        new RollingBatchRestartRsAction(MonkeyConstants.DEFAULT_BATCH_RESTART_RS_SLEEP_TIME, 1.0f),
053        new RestartRsHoldingMetaAction(MonkeyConstants.DEFAULT_RESTART_RS_HOLDING_META_SLEEP_TIME),
054        new ChangeSplitPolicyAction(tableName),
055        new SplitAllRegionOfTableAction(tableName),
056        new DecreaseMaxHFileSizeAction(MonkeyConstants.DEFAULT_DECREASE_HFILE_SIZE_SLEEP_TIME,
057            tableName),
058    };
059
060    // Action to log more info for debugging
061    Action[] actions3 = new Action[]{
062        new DumpClusterStatusAction()
063    };
064
065    return new PolicyBasedChaosMonkey(util,
066        new PeriodicRandomActionPolicy(90 * 1000, actions1),
067        new CompositeSequentialPolicy(
068            new DoActionsOncePolicy(90 * 1000, actions2),
069            new PeriodicRandomActionPolicy(90 * 1000, actions2)),
070        new PeriodicRandomActionPolicy(90 * 1000, actions3)
071    );
072  }
073}