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19 package org.apache.hadoop.hbase.master;
20
21 import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
22 import org.apache.hadoop.metrics2.MetricsCollector;
23 import org.apache.hadoop.metrics2.MetricsRecordBuilder;
24 import org.apache.hadoop.metrics2.lib.Interns;
25 import org.apache.hadoop.metrics2.lib.MutableCounterLong;
26 import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
27 import org.apache.hadoop.metrics2.lib.MutableHistogram;
28
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31
32
33
34 public class MetricsMasterSourceImpl
35 extends BaseSourceImpl implements MetricsMasterSource {
36
37 private final MetricsMasterWrapper masterWrapper;
38 private MutableCounterLong clusterRequestsCounter;
39 private MutableGaugeLong ritGauge;
40 private MutableGaugeLong ritCountOverThresholdGauge;
41 private MutableGaugeLong ritOldestAgeGauge;
42 private MutableHistogram splitTimeHisto;
43 private MutableHistogram splitSizeHisto;
44
45 public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper) {
46 this(METRICS_NAME,
47 METRICS_DESCRIPTION,
48 METRICS_CONTEXT,
49 METRICS_JMX_CONTEXT,
50 masterWrapper);
51 }
52
53 public MetricsMasterSourceImpl(String metricsName,
54 String metricsDescription,
55 String metricsContext,
56 String metricsJmxContext,
57 MetricsMasterWrapper masterWrapper) {
58 super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
59 this.masterWrapper = masterWrapper;
60
61 }
62
63 @Override
64 public void init() {
65 super.init();
66 clusterRequestsCounter = metricsRegistry.newCounter(CLUSTER_REQUESTS_NAME, "", 0l);
67 ritGauge = metricsRegistry.newGauge(RIT_COUNT_NAME, "", 0l);
68 ritCountOverThresholdGauge = metricsRegistry.newGauge(RIT_COUNT_OVER_THRESHOLD_NAME, "", 0l);
69 ritOldestAgeGauge = metricsRegistry.newGauge(RIT_OLDEST_AGE_NAME, "", 0l);
70 splitTimeHisto = metricsRegistry.newHistogram(SPLIT_SIZE_NAME, SPLIT_SIZE_DESC);
71 splitSizeHisto = metricsRegistry.newHistogram(SPLIT_TIME_NAME, SPLIT_TIME_DESC);
72 }
73
74 public void incRequests(final int inc) {
75 this.clusterRequestsCounter.incr(inc);
76 }
77
78 public void setRIT(int ritCount) {
79 ritGauge.set(ritCount);
80 }
81
82 public void setRITCountOverThreshold(int ritCount) {
83 ritCountOverThresholdGauge.set(ritCount);
84 }
85
86 public void setRITOldestAge(long ritCount) {
87 ritOldestAgeGauge.set(ritCount);
88 }
89
90 @Override
91 public void updateSplitTime(long time) {
92 splitTimeHisto.add(time);
93 }
94
95 @Override
96 public void updateSplitSize(long size) {
97 splitSizeHisto.add(size);
98 }
99
100 @Override
101 public void getMetrics(MetricsCollector metricsCollector, boolean all) {
102
103 MetricsRecordBuilder metricsRecordBuilder = metricsCollector.addRecord(metricsName)
104 .setContext(metricsContext);
105
106
107 if (masterWrapper != null) {
108 metricsRecordBuilder
109 .addGauge(Interns.info(MASTER_ACTIVE_TIME_NAME,
110 MASTER_ACTIVE_TIME_DESC), masterWrapper.getActiveTime())
111 .addGauge(Interns.info(MASTER_START_TIME_NAME,
112 MASTER_START_TIME_DESC), masterWrapper.getStartTime())
113 .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),
114 masterWrapper.getAverageLoad())
115 .addGauge(Interns.info(NUM_REGION_SERVERS_NAME,
116 NUMBER_OF_REGION_SERVERS_DESC), masterWrapper.getRegionServers())
117 .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME,
118 NUMBER_OF_DEAD_REGION_SERVERS_DESC),
119 masterWrapper.getDeadRegionServers())
120 .tag(Interns.info(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC),
121 masterWrapper.getZookeeperQuorum())
122 .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())
123 .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())
124 .tag(Interns.info(IS_ACTIVE_MASTER_NAME,
125 IS_ACTIVE_MASTER_DESC),
126 String.valueOf(masterWrapper.getIsActiveMaster()));
127 }
128
129 metricsRegistry.snapshot(metricsRecordBuilder, all);
130 }
131
132 }