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 */
018
019package org.apache.hadoop.hbase.chaos.actions;
020
021import org.apache.commons.lang3.RandomUtils;
022import org.apache.hadoop.hbase.HBaseTestingUtility;
023import org.apache.hadoop.hbase.TableName;
024import org.apache.hadoop.hbase.client.Admin;
025import org.apache.hadoop.hbase.client.CompactType;
026
027/**
028 * Action that queues a table compaction.
029 */
030public class CompactMobAction extends Action {
031  private final TableName tableName;
032  private final int majorRatio;
033  private final long sleepTime;
034
035  public CompactMobAction(TableName tableName, float majorRatio) {
036    this(-1, tableName, majorRatio);
037  }
038
039  public CompactMobAction(
040          int sleepTime, TableName tableName, float majorRatio) {
041    this.tableName = tableName;
042    this.majorRatio = (int) (100 * majorRatio);
043    this.sleepTime = sleepTime;
044  }
045
046  @Override
047  public void perform() throws Exception {
048    HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
049    Admin admin = util.getAdmin();
050    boolean major = RandomUtils.nextInt(0, 100) < majorRatio;
051
052    // Don't try the modify if we're stopping
053    if (context.isStopping()) {
054      return;
055    }
056
057    LOG.info("Performing action: Compact mob of table " + tableName + ", major=" + major);
058    try {
059      if (major) {
060        admin.majorCompact(tableName, CompactType.MOB);
061      } else {
062        admin.compact(tableName, CompactType.MOB);
063      }
064    } catch (Exception ex) {
065      LOG.warn("Mob Compaction failed, might be caused by other chaos: " + ex.getMessage());
066    }
067    if (sleepTime > 0) {
068      Thread.sleep(sleepTime);
069    }
070  }
071}