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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.MetricsCollector;
24 import org.apache.hadoop.metrics2.MetricsRecordBuilder;
25 import org.apache.hadoop.metrics2.lib.Interns;
26 import org.apache.hadoop.metrics2.lib.MutableCounterLong;
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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 MutableCounterLong clusterRequestsCounter;
39
40 public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper) {
41 this(METRICS_NAME,
42 METRICS_DESCRIPTION,
43 METRICS_CONTEXT,
44 METRICS_JMX_CONTEXT,
45 masterWrapper);
46 }
47
48 public MetricsMasterSourceImpl(String metricsName,
49 String metricsDescription,
50 String metricsContext,
51 String metricsJmxContext,
52 MetricsMasterWrapper masterWrapper) {
53 super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
54 this.masterWrapper = masterWrapper;
55
56 }
57
58 @Override
59 public void init() {
60 super.init();
61 clusterRequestsCounter = metricsRegistry.newCounter(CLUSTER_REQUESTS_NAME, "", 0l);
62 }
63
64 @Override
65 public void incRequests(final long inc) {
66 this.clusterRequestsCounter.incr(inc);
67 }
68
69 @Override
70 public void getMetrics(MetricsCollector metricsCollector, boolean all) {
71
72 MetricsRecordBuilder metricsRecordBuilder = metricsCollector.addRecord(metricsName);
73
74
75 if (masterWrapper != null) {
76 metricsRecordBuilder
77 .addGauge(Interns.info(MASTER_ACTIVE_TIME_NAME,
78 MASTER_ACTIVE_TIME_DESC), masterWrapper.getActiveTime())
79 .addGauge(Interns.info(MASTER_START_TIME_NAME,
80 MASTER_START_TIME_DESC), masterWrapper.getStartTime())
81 .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),
82 masterWrapper.getAverageLoad())
83 .tag(Interns.info(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC),
84 masterWrapper.getRegionServers())
85 .addGauge(Interns.info(NUM_REGION_SERVERS_NAME,
86 NUMBER_OF_REGION_SERVERS_DESC), masterWrapper.getNumRegionServers())
87 .tag(Interns.info(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC),
88 masterWrapper.getDeadRegionServers())
89 .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME,
90 NUMBER_OF_DEAD_REGION_SERVERS_DESC),
91 masterWrapper.getNumDeadRegionServers())
92 .tag(Interns.info(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC),
93 masterWrapper.getZookeeperQuorum())
94 .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())
95 .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())
96 .tag(Interns.info(IS_ACTIVE_MASTER_NAME,
97 IS_ACTIVE_MASTER_DESC),
98 String.valueOf(masterWrapper.getIsActiveMaster()));
99 }
100
101 metricsRegistry.snapshot(metricsRecordBuilder, all);
102 }
103
104 }