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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.hadoop.hbase.chaos.actions;
20  
21  import org.apache.commons.lang.math.RandomUtils;
22  import org.apache.hadoop.hbase.HBaseTestingUtility;
23  import org.apache.hadoop.hbase.TableName;
24  import org.apache.hadoop.hbase.client.Admin;
25  
26  /**
27   * Action that queues a table compaction.
28   */
29  public class CompactMobAction extends Action {
30    private final TableName tableName;
31    private final int majorRatio;
32    private final long sleepTime;
33  
34    public CompactMobAction(TableName tableName, float majorRatio) {
35      this(-1, tableName, majorRatio);
36    }
37  
38    public CompactMobAction(
39            int sleepTime, TableName tableName, float majorRatio) {
40      this.tableName = tableName;
41      this.majorRatio = (int) (100 * majorRatio);
42      this.sleepTime = sleepTime;
43    }
44  
45    @Override
46    public void perform() throws Exception {
47      HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
48      Admin admin = util.getHBaseAdmin();
49      boolean major = RandomUtils.nextInt(100) < majorRatio;
50  
51      LOG.info("Performing action: Compact mob of table " + tableName + ", major=" + major);
52      try {
53        if (major) {
54          admin.majorCompact(tableName, Admin.CompactType.MOB);
55        } else {
56          admin.compact(tableName, Admin.CompactType.MOB);
57        }
58      } catch (Exception ex) {
59        LOG.warn("Mob Compaction failed, might be caused by other chaos: " + ex.getMessage());
60      }
61      if (sleepTime > 0) {
62        Thread.sleep(sleepTime);
63      }
64    }
65  }