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