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;
026import org.slf4j.Logger;
027import org.slf4j.LoggerFactory;
028
029/**
030 * Action that queues a table compaction.
031 */
032public class CompactMobAction extends Action {
033  private final TableName tableName;
034  private final int majorRatio;
035  private final long sleepTime;
036  private static final Logger LOG = LoggerFactory.getLogger(CompactMobAction.class);
037
038  public CompactMobAction(TableName tableName, float majorRatio) {
039    this(-1, tableName, majorRatio);
040  }
041
042  public CompactMobAction(
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
050  public void perform() throws Exception {
051    HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
052    Admin admin = util.getAdmin();
053    boolean major = RandomUtils.nextInt(0, 100) < majorRatio;
054
055    // Don't try the modify if we're stopping
056    if (context.isStopping()) {
057      return;
058    }
059
060    LOG.info("Performing action: Compact mob of table " + tableName + ", major=" + major);
061    try {
062      if (major) {
063        admin.majorCompact(tableName, CompactType.MOB);
064      } else {
065        admin.compact(tableName, CompactType.MOB);
066      }
067    } catch (Exception ex) {
068      LOG.warn("Mob Compaction failed, might be caused by other chaos: " + ex.getMessage());
069    }
070    if (sleepTime > 0) {
071      Thread.sleep(sleepTime);
072    }
073  }
074}