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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.MetricsBuilder;
24 import org.apache.hadoop.metrics2.MetricsRecordBuilder;
25 import org.apache.hadoop.metrics2.lib.MetricMutableCounterLong;
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32 @InterfaceAudience.Private
33 public class MetricsMasterSourceImpl
34 extends BaseSourceImpl implements MetricsMasterSource {
35
36 private final MetricsMasterWrapper masterWrapper;
37 private MetricMutableCounterLong clusterRequestsCounter;
38
39
40 public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper) {
41 this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT, masterWrapper);
42 }
43
44 public MetricsMasterSourceImpl(String metricsName,
45 String metricsDescription,
46 String metricsContext,
47 String metricsJmxContext,
48 MetricsMasterWrapper masterWrapper) {
49 super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
50 this.masterWrapper = masterWrapper;
51 }
52
53 @Override
54 public void init() {
55 super.init();
56 clusterRequestsCounter = metricsRegistry.newCounter(CLUSTER_REQUESTS_NAME, "", 0l);
57 }
58
59 public void incRequests(final int inc) {
60 this.clusterRequestsCounter.incr(inc);
61 }
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68
69 @Override
70 public void getMetrics(MetricsBuilder metricsBuilder, boolean all) {
71
72 MetricsRecordBuilder metricsRecordBuilder = metricsBuilder.addRecord(metricsName)
73 .setContext(metricsContext);
74
75
76 if (masterWrapper != null) {
77 metricsRecordBuilder
78 .addGauge(MASTER_ACTIVE_TIME_NAME,
79 MASTER_ACTIVE_TIME_DESC, masterWrapper.getActiveTime())
80 .addGauge(MASTER_START_TIME_NAME,
81 MASTER_START_TIME_DESC, masterWrapper.getStartTime())
82 .addGauge(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC, masterWrapper.getAverageLoad())
83 .tag(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC,
84 masterWrapper.getRegionServers())
85 .addGauge(NUM_REGION_SERVERS_NAME,
86 NUMBER_OF_REGION_SERVERS_DESC, masterWrapper.getNumRegionServers())
87 .tag(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC,
88 masterWrapper.getDeadRegionServers())
89 .addGauge(NUM_DEAD_REGION_SERVERS_NAME,
90 NUMBER_OF_DEAD_REGION_SERVERS_DESC,
91 masterWrapper.getNumDeadRegionServers())
92 .tag(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC, masterWrapper.getZookeeperQuorum())
93 .tag(SERVER_NAME_NAME, SERVER_NAME_DESC, masterWrapper.getServerName())
94 .tag(CLUSTER_ID_NAME, CLUSTER_ID_DESC, masterWrapper.getClusterId())
95 .tag(IS_ACTIVE_MASTER_NAME,
96 IS_ACTIVE_MASTER_DESC,
97 String.valueOf(masterWrapper.getIsActiveMaster()));
98 }
99
100 metricsRegistry.snapshot(metricsRecordBuilder, all);
101 }
102
103 }