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.HBaseTestingUtility;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.hadoop.hbase.client.Admin;
024import org.slf4j.Logger;
025import org.slf4j.LoggerFactory;
026
027/**
028 * Action that queues a table compaction.
029 */
030public class CompactTableAction extends Action {
031  private static final Logger LOG = LoggerFactory.getLogger(CompactTableAction.class);
032
033  private final TableName tableName;
034  private final int majorRatio;
035  private final long sleepTime;
036
037  public CompactTableAction(TableName tableName, float majorRatio) {
038    this(-1, tableName, majorRatio);
039  }
040
041  public CompactTableAction(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    HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
055    Admin admin = util.getAdmin();
056    boolean major = ThreadLocalRandom.current().nextInt(100) < majorRatio;
057
058    getLogger().info("Performing action: Compact table " + tableName + ", major=" + major);
059    try {
060      if (major) {
061        admin.majorCompact(tableName);
062      } else {
063        admin.compact(tableName);
064      }
065    } catch (Exception ex) {
066      getLogger().warn("Compaction failed, might be caused by other chaos: " + ex.getMessage());
067    }
068    if (sleepTime > 0) {
069      Thread.sleep(sleepTime);
070    }
071  }
072}