1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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;
27
28
29
30
31
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 public void incRequests(final int inc) {
65 this.clusterRequestsCounter.incr(inc);
66 }
67
68 @Override
69 public void getMetrics(MetricsCollector metricsCollector, boolean all) {
70
71 MetricsRecordBuilder metricsRecordBuilder = metricsCollector.addRecord(metricsName).setContext(metricsContext);
72
73
74 if (masterWrapper != null) {
75 metricsRecordBuilder
76 .addGauge(Interns.info(MASTER_ACTIVE_TIME_NAME,
77 MASTER_ACTIVE_TIME_DESC), masterWrapper.getActiveTime())
78 .addGauge(Interns.info(MASTER_START_TIME_NAME,
79 MASTER_START_TIME_DESC), masterWrapper.getStartTime())
80 .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),
81 masterWrapper.getAverageLoad())
82 .tag(Interns.info(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC),
83 masterWrapper.getRegionServers())
84 .addGauge(Interns.info(NUM_REGION_SERVERS_NAME,
85 NUMBER_OF_REGION_SERVERS_DESC), masterWrapper.getNumRegionServers())
86 .tag(Interns.info(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC),
87 masterWrapper.getDeadRegionServers())
88 .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME,
89 NUMBER_OF_DEAD_REGION_SERVERS_DESC),
90 masterWrapper.getNumDeadRegionServers())
91 .tag(Interns.info(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC),
92 masterWrapper.getZookeeperQuorum())
93 .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())
94 .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())
95 .tag(Interns.info(IS_ACTIVE_MASTER_NAME,
96 IS_ACTIVE_MASTER_DESC),
97 String.valueOf(masterWrapper.getIsActiveMaster()));
98 }
99
100 metricsRegistry.snapshot(metricsRecordBuilder, all);
101 }
102
103 }