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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.regionserver.wal;
20  
21  import org.apache.commons.logging.Log;
22  import org.apache.commons.logging.LogFactory;
23  import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
24  import org.apache.hadoop.metrics2.lib.MetricMutableHistogram;
25  
26  /**
27   * Hadoop1 implementation of MetricsMasterSource.
28   *
29   * Implements BaseSource through BaseSourceImpl, following the pattern
30   */
31  public class MetricsEditsReplaySourceImpl
32      extends BaseSourceImpl implements MetricsEditsReplaySource {
33  
34    private static final Log LOG = LogFactory.getLog(MetricsEditsReplaySourceImpl.class.getName());
35  
36    private MetricMutableHistogram replayTimeHisto;
37    private MetricMutableHistogram replayBatchSizeHisto;
38    private MetricMutableHistogram replayDataSizeHisto;
39  
40    public MetricsEditsReplaySourceImpl() {
41      this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
42    }
43  
44    public MetricsEditsReplaySourceImpl(String metricsName,
45                                   String metricsDescription,
46                                   String metricsContext,
47                                   String metricsJmxContext) {
48      super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
49    }
50  
51    @Override
52    public void init() {
53      super.init();
54      replayTimeHisto = metricsRegistry.newTimeHistogram(REPLAY_TIME_NAME, REPLAY_TIME_DESC);
55      replayBatchSizeHisto = 
56        metricsRegistry.newSizeHistogram(REPLAY_BATCH_SIZE_NAME, REPLAY_BATCH_SIZE_DESC);
57      replayDataSizeHisto = 
58        metricsRegistry.newSizeHistogram(REPLAY_DATA_SIZE_NAME, REPLAY_DATA_SIZE_DESC);
59    }
60  
61    @Override
62    public void updateReplayTime(long time) {
63      replayTimeHisto.add(time);
64    }
65  
66    @Override
67    public void updateReplayBatchSize(long size) {
68      replayBatchSizeHisto.add(size);
69    }
70  
71    @Override
72    public void updateReplayDataSize(long size) {
73      replayDataSizeHisto.add(size);
74    }
75  }