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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 import org.apache.hadoop.metrics2.MetricsBuilder;
25 import org.apache.hadoop.metrics2.MetricsRecordBuilder;
26 import org.apache.hadoop.metrics2.lib.MetricMutableCounterLong;
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32
33 @InterfaceAudience.Private
34 public class MetricsMasterSourceImpl
35 extends BaseSourceImpl implements MetricsMasterSource {
36
37 private final MetricsMasterWrapper masterWrapper;
38 private MetricMutableCounterLong clusterRequestsCounter;
39
40
41 private final MetricMutableCounterLong infoPauseThresholdExceeded;
42 private final MetricMutableCounterLong warnPauseThresholdExceeded;
43 private final MetricHistogram pausesWithGc;
44 private final MetricHistogram pausesWithoutGc;
45
46 public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper) {
47 this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT, masterWrapper);
48 }
49
50 public MetricsMasterSourceImpl(String metricsName,
51 String metricsDescription,
52 String metricsContext,
53 String metricsJmxContext,
54 MetricsMasterWrapper masterWrapper) {
55 super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
56 this.masterWrapper = masterWrapper;
57
58
59 infoPauseThresholdExceeded = getMetricsRegistry().newCounter(INFO_THRESHOLD_COUNT_KEY,
60 INFO_THRESHOLD_COUNT_DESC, 0L);
61 warnPauseThresholdExceeded = getMetricsRegistry().newCounter(WARN_THRESHOLD_COUNT_KEY,
62 WARN_THRESHOLD_COUNT_DESC, 0L);
63 pausesWithGc = getMetricsRegistry().newTimeHistogram(PAUSE_TIME_WITH_GC_KEY);
64 pausesWithoutGc = getMetricsRegistry().newTimeHistogram(PAUSE_TIME_WITHOUT_GC_KEY);
65 }
66
67 @Override
68 public void init() {
69 super.init();
70 clusterRequestsCounter = metricsRegistry.newCounter(CLUSTER_REQUESTS_NAME, "", 0l);
71 }
72
73 public void incRequests(final int inc) {
74 this.clusterRequestsCounter.incr(inc);
75 }
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82
83 @Override
84 public void getMetrics(MetricsBuilder metricsBuilder, boolean all) {
85
86 MetricsRecordBuilder metricsRecordBuilder = metricsBuilder.addRecord(metricsName);
87
88
89 if (masterWrapper != null) {
90 metricsRecordBuilder
91 .addGauge(MASTER_ACTIVE_TIME_NAME,
92 MASTER_ACTIVE_TIME_DESC, masterWrapper.getActiveTime())
93 .addGauge(MASTER_START_TIME_NAME,
94 MASTER_START_TIME_DESC, masterWrapper.getStartTime())
95 .addGauge(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC, masterWrapper.getAverageLoad())
96 .tag(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC,
97 masterWrapper.getRegionServers())
98 .addGauge(NUM_REGION_SERVERS_NAME,
99 NUMBER_OF_REGION_SERVERS_DESC, masterWrapper.getNumRegionServers())
100 .tag(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC,
101 masterWrapper.getDeadRegionServers())
102 .addGauge(NUM_DEAD_REGION_SERVERS_NAME,
103 NUMBER_OF_DEAD_REGION_SERVERS_DESC,
104 masterWrapper.getNumDeadRegionServers())
105 .tag(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC, masterWrapper.getZookeeperQuorum())
106 .tag(SERVER_NAME_NAME, SERVER_NAME_DESC, masterWrapper.getServerName())
107 .tag(CLUSTER_ID_NAME, CLUSTER_ID_DESC, masterWrapper.getClusterId())
108 .tag(IS_ACTIVE_MASTER_NAME,
109 IS_ACTIVE_MASTER_DESC,
110 String.valueOf(masterWrapper.getIsActiveMaster()));
111 }
112
113 metricsRegistry.snapshot(metricsRecordBuilder, all);
114 }
115
116 @Override
117 public void incInfoThresholdExceeded(int count) {
118 infoPauseThresholdExceeded.incr(count);
119 }
120
121 @Override
122 public void incWarnThresholdExceeded(int count) {
123 warnPauseThresholdExceeded.incr(count);
124 }
125
126 @Override
127 public void updatePauseTimeWithGc(long t) {
128 pausesWithGc.add(t);
129 }
130
131 @Override
132 public void updatePauseTimeWithoutGc(long t) {
133 pausesWithoutGc.add(t);
134 }
135 }