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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.master;
20  
21  import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
22  import org.apache.hadoop.metrics2.lib.MetricMutableHistogram;
23  
24  public class MetricsMasterFilesystemSourceImpl extends BaseSourceImpl implements MetricsMasterFileSystemSource {
25  
26    private MetricMutableHistogram splitSizeHisto;
27    private MetricMutableHistogram splitTimeHisto;
28    private MetricMutableHistogram metaSplitTimeHisto;
29    private MetricMutableHistogram metaSplitSizeHisto;
30  
31    public MetricsMasterFilesystemSourceImpl() {
32      this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
33    }
34  
35    public MetricsMasterFilesystemSourceImpl(String metricsName,
36                                             String metricsDescription,
37                                             String metricsContext, String metricsJmxContext) {
38      super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
39    }
40  
41    @Override
42    public void init() {
43      splitSizeHisto = metricsRegistry.newSizeHistogram(SPLIT_SIZE_NAME, SPLIT_SIZE_DESC);
44      splitTimeHisto = metricsRegistry.newTimeHistogram(SPLIT_TIME_NAME, SPLIT_TIME_DESC);
45      metaSplitTimeHisto = 
46          metricsRegistry.newTimeHistogram(META_SPLIT_TIME_NAME, META_SPLIT_TIME_DESC);
47      metaSplitSizeHisto = 
48          metricsRegistry.newSizeHistogram(META_SPLIT_SIZE_NAME, META_SPLIT_SIZE_DESC);
49    }
50  
51    @Override
52    public void updateSplitTime(long time) {
53      splitTimeHisto.add(time);
54    }
55  
56    @Override
57    public void updateSplitSize(long size) {
58      splitSizeHisto.add(size);
59    }
60  
61  
62    @Override
63    public void updateMetaWALSplitTime(long time) {
64      metaSplitTimeHisto.add(time);
65    }
66  
67    @Override
68    public void updateMetaWALSplitSize(long size) {
69      metaSplitSizeHisto.add(size);
70    }
71  }