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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.lib.MutableGaugeLong;
24  import org.apache.hadoop.metrics2.lib.MutableHistogram;
25  
26  @InterfaceAudience.Private
27  public class MetricsAssignmentManagerSourceImpl extends BaseSourceImpl implements MetricsAssignmentManagerSource {
28  
29    private MutableGaugeLong ritGauge;
30    private MutableGaugeLong ritCountOverThresholdGauge;
31    private MutableGaugeLong ritOldestAgeGauge;
32    private MutableHistogram assignTimeHisto;
33    private MutableHistogram bulkAssignTimeHisto;
34  
35    public MetricsAssignmentManagerSourceImpl() {
36      this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
37    }
38  
39    public MetricsAssignmentManagerSourceImpl(String metricsName,
40                                              String metricsDescription,
41                                              String metricsContext, String metricsJmxContext) {
42      super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
43    }
44  
45    public void init() {
46      ritGauge = metricsRegistry.newGauge(RIT_COUNT_NAME, "", 0l);
47      ritCountOverThresholdGauge = metricsRegistry.newGauge(RIT_COUNT_OVER_THRESHOLD_NAME, "", 0l);
48      ritOldestAgeGauge = metricsRegistry.newGauge(RIT_OLDEST_AGE_NAME, "", 0l);
49      assignTimeHisto = metricsRegistry.newTimeHistogram(ASSIGN_TIME_NAME);
50      bulkAssignTimeHisto = metricsRegistry.newTimeHistogram(BULK_ASSIGN_TIME_NAME);
51    }
52  
53    @Override
54    public void updateAssignmentTime(long time) {
55      assignTimeHisto.add(time);
56    }
57  
58    @Override
59    public void updateBulkAssignTime(long time) {
60      bulkAssignTimeHisto.add(time);
61    }
62  
63    public void setRIT(int ritCount) {
64      ritGauge.set(ritCount);
65    }
66  
67    public void setRITCountOverThreshold(int ritCount) {
68      ritCountOverThresholdGauge.set(ritCount);
69    }
70  
71    public void setRITOldestAge(long ritCount) {
72      ritOldestAgeGauge.set(ritCount);
73    }
74  }