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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.classification.InterfaceAudience;
22  import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
23  import org.apache.hadoop.metrics2.MetricHistogram;
24  
25  @InterfaceAudience.Private
26  public class MetricsMasterFilesystemSourceImpl
27      extends BaseSourceImpl
28      implements MetricsMasterFileSystemSource {
29  
30    private MetricHistogram splitSizeHisto;
31    private MetricHistogram splitTimeHisto;
32    private MetricHistogram metaSplitTimeHisto;
33    private MetricHistogram metaSplitSizeHisto;
34  
35    public MetricsMasterFilesystemSourceImpl() {
36      this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
37    }
38  
39    public MetricsMasterFilesystemSourceImpl(String metricsName,
40                                             String metricsDescription,
41                                             String metricsContext, String metricsJmxContext) {
42      super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
43    }
44  
45    @Override
46    public void init() {
47      splitSizeHisto = metricsRegistry.newSizeHistogram(SPLIT_SIZE_NAME, SPLIT_SIZE_DESC);
48      splitTimeHisto = metricsRegistry.newTimeHistogram(SPLIT_TIME_NAME, SPLIT_TIME_DESC);
49      metaSplitTimeHisto =
50          metricsRegistry.newTimeHistogram(META_SPLIT_TIME_NAME, META_SPLIT_TIME_DESC);
51      metaSplitSizeHisto =
52          metricsRegistry.newSizeHistogram(META_SPLIT_SIZE_NAME, META_SPLIT_SIZE_DESC);
53    }
54  
55    @Override
56    public void updateSplitTime(long time) {
57      splitTimeHisto.add(time);
58    }
59  
60    @Override
61    public void updateSplitSize(long size) {
62      splitSizeHisto.add(size);
63    }
64  
65  
66    @Override
67    public void updateMetaWALSplitTime(long time) {
68      metaSplitTimeHisto.add(time);
69    }
70  
71    @Override
72    public void updateMetaWALSplitSize(long size) {
73      metaSplitSizeHisto.add(size);
74    }
75  }