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