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;
025
026/**
027 * Action that queues a table compaction.
028 */
029public class CompactTableAction extends Action {
030  private final TableName tableName;
031  private final int majorRatio;
032  private final long sleepTime;
033
034  public CompactTableAction(TableName tableName, float majorRatio) {
035    this(-1, tableName, majorRatio);
036  }
037
038  public CompactTableAction(
039      int sleepTime, TableName tableName, float majorRatio) {
040    this.tableName = tableName;
041    this.majorRatio = (int) (100 * majorRatio);
042    this.sleepTime = sleepTime;
043  }
044
045  @Override
046  public void perform() throws Exception {
047    HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
048    Admin admin = util.getAdmin();
049    boolean major = RandomUtils.nextInt(0, 100) < majorRatio;
050
051    LOG.info("Performing action: Compact table " + tableName + ", major=" + major);
052    try {
053      if (major) {
054        admin.majorCompact(tableName);
055      } else {
056        admin.compact(tableName);
057      }
058    } catch (Exception ex) {
059      LOG.warn("Compaction failed, might be caused by other chaos: " + ex.getMessage());
060    }
061    if (sleepTime > 0) {
062      Thread.sleep(sleepTime);
063    }
064  }
065}