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.HBaseTestingUtil;
023import org.apache.hadoop.hbase.TableName;
024import org.apache.hadoop.hbase.client.Admin;
025import org.slf4j.Logger;
026import org.slf4j.LoggerFactory;
027
028/**
029 * Action that queues a table compaction.
030 */
031public class CompactTableAction extends Action {
032  private static final Logger LOG = LoggerFactory.getLogger(CompactTableAction.class);
033
034  private final TableName tableName;
035  private final int majorRatio;
036  private final long sleepTime;
037
038  public CompactTableAction(TableName tableName, float majorRatio) {
039    this(-1, tableName, majorRatio);
040  }
041
042  public CompactTableAction(
043      int sleepTime, TableName tableName, float majorRatio) {
044    this.tableName = tableName;
045    this.majorRatio = (int) (100 * majorRatio);
046    this.sleepTime = sleepTime;
047  }
048
049  @Override protected Logger getLogger() {
050    return LOG;
051  }
052
053  @Override
054  public void perform() throws Exception {
055    HBaseTestingUtil util = context.getHBaseIntegrationTestingUtility();
056    Admin admin = util.getAdmin();
057    boolean major = RandomUtils.nextInt(0, 100) < majorRatio;
058
059    getLogger().info("Performing action: Compact table " + tableName + ", major=" + major);
060    try {
061      if (major) {
062        admin.majorCompact(tableName);
063      } else {
064        admin.compact(tableName);
065      }
066    } catch (Exception ex) {
067      getLogger().warn("Compaction failed, might be caused by other chaos: " + ex.getMessage());
068    }
069    if (sleepTime > 0) {
070      Thread.sleep(sleepTime);
071    }
072  }
073}