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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.replication.regionserver;
20  
21  import org.apache.hadoop.metrics2.lib.MutableFastCounter;
22  import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
23  import org.apache.hadoop.metrics2.lib.MutableHistogram;
24  
25  public class MetricsReplicationSinkSourceImpl implements MetricsReplicationSinkSource {
26  
27    @Deprecated
28    private final MutableGaugeLong ageGauge;
29    private final MutableHistogram ageHist;
30    private final MutableFastCounter batchesCounter;
31    private final MutableFastCounter opsCounter;
32    private final MutableFastCounter hfilesCounter;
33  
34    public MetricsReplicationSinkSourceImpl(MetricsReplicationSourceImpl rms) {
35      ageGauge = rms.getMetricsRegistry().
36          getCompatibilityRegistry().getGauge(SINK_AGE_OF_LAST_APPLIED_OP, 0L);
37      ageHist = rms.getMetricsRegistry().getHistogram(SINK_AGE_OF_LAST_APPLIED_OP);
38      batchesCounter = rms.getMetricsRegistry().getCounter(SINK_APPLIED_BATCHES, 0L);
39      opsCounter = rms.getMetricsRegistry().getCounter(SINK_APPLIED_OPS, 0L);
40      hfilesCounter = rms.getMetricsRegistry().getCounter(SINK_APPLIED_HFILES, 0L);
41    }
42  
43    @Override public void setLastAppliedOpAge(long age) {
44      ageHist.add(age);
45      ageGauge.set(getLastAppliedOpAge());
46    }
47  
48    @Override public void incrAppliedBatches(long batches) {
49      batchesCounter.incr(batches);
50    }
51  
52    @Override public void incrAppliedOps(long batchsize) {
53      opsCounter.incr(batchsize);
54    }
55  
56    @Override
57    public long getLastAppliedOpAge() {
58      return ageHist.getMax();
59    }
60  
61    @Override
62    public void incrAppliedHFiles(long hfiles) {
63      hfilesCounter.incr(hfiles);
64    }
65  }