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 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
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.actions;
019
020import java.util.concurrent.ThreadLocalRandom;
021import org.apache.hadoop.hbase.HBaseTestingUtil;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.hadoop.hbase.client.Admin;
024import org.apache.hadoop.hbase.client.CompactType;
025import org.slf4j.Logger;
026import org.slf4j.LoggerFactory;
027
028/**
029 * Action that queues a table compaction.
030 */
031public class CompactMobAction extends Action {
032  private final TableName tableName;
033  private final int majorRatio;
034  private final long sleepTime;
035  private static final Logger LOG = LoggerFactory.getLogger(CompactMobAction.class);
036
037  public CompactMobAction(TableName tableName, float majorRatio) {
038    this(-1, tableName, majorRatio);
039  }
040
041  public CompactMobAction(int sleepTime, TableName tableName, float majorRatio) {
042    this.tableName = tableName;
043    this.majorRatio = (int) (100 * majorRatio);
044    this.sleepTime = sleepTime;
045  }
046
047  @Override
048  protected Logger getLogger() {
049    return LOG;
050  }
051
052  @Override
053  public void perform() throws Exception {
054    HBaseTestingUtil util = context.getHBaseIntegrationTestingUtility();
055    Admin admin = util.getAdmin();
056    boolean major = ThreadLocalRandom.current().nextInt(100) < majorRatio;
057
058    // Don't try the modify if we're stopping
059    if (context.isStopping()) {
060      return;
061    }
062
063    getLogger().info("Performing action: Compact mob of table " + tableName + ", major=" + major);
064    try {
065      if (major) {
066        admin.majorCompact(tableName, CompactType.MOB);
067      } else {
068        admin.compact(tableName, CompactType.MOB);
069      }
070    } catch (Exception ex) {
071      getLogger().warn("Mob Compaction failed, might be caused by other chaos: " + ex.getMessage());
072    }
073    if (sleepTime > 0) {
074      Thread.sleep(sleepTime);
075    }
076  }
077}