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19 package org.apache.hadoop.hbase.regionserver.wal;
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21 import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
22 import org.apache.hadoop.metrics2.MetricHistogram;
23 import org.apache.hadoop.metrics2.lib.MetricMutableCounterLong;
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31 public class MetricsWALSourceImpl extends BaseSourceImpl implements MetricsWALSource {
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33 private final MetricHistogram appendSizeHisto;
34 private final MetricHistogram appendTimeHisto;
35 private final MetricMutableCounterLong appendCount;
36 private final MetricMutableCounterLong slowAppendCount;
37 private final MetricHistogram syncTimeHisto;
38
39
40 public MetricsWALSourceImpl() {
41 this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
42 }
43
44 public MetricsWALSourceImpl(String metricsName,
45 String metricsDescription,
46 String metricsContext,
47 String metricsJmxContext) {
48 super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
49
50
51 appendTimeHisto = this.getMetricsRegistry().newHistogram(APPEND_TIME, APPEND_TIME_DESC);
52 appendSizeHisto = this.getMetricsRegistry().newHistogram(APPEND_SIZE, APPEND_SIZE_DESC);
53 appendCount = this.getMetricsRegistry().newCounter(APPEND_COUNT, APPEND_COUNT_DESC, 0l);
54 slowAppendCount = this.getMetricsRegistry().newCounter(SLOW_APPEND_COUNT, SLOW_APPEND_COUNT_DESC, 0l);
55 syncTimeHisto = this.getMetricsRegistry().newHistogram(SYNC_TIME, SYNC_TIME_DESC);
56 }
57
58 @Override
59 public void incrementAppendSize(long size) {
60 appendSizeHisto.add(size);
61 }
62
63 @Override
64 public void incrementAppendTime(long time) {
65 appendTimeHisto.add(time);
66 }
67
68 @Override
69 public void incrementAppendCount() {
70 appendCount.incr();
71 }
72
73 @Override
74 public void incrementSlowAppendCount() {
75 slowAppendCount.incr();
76 }
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78 @Override
79 public void incrementSyncTime(long time) {
80 syncTimeHisto.add(time);
81 }
82 }