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20 package org.apache.hadoop.hbase.replication.regionserver;
21 import java.io.UnsupportedEncodingException;
22 import java.net.URLEncoder;
23
24 import org.apache.hadoop.hbase.metrics.MetricsRate;
25 import org.apache.hadoop.metrics.MetricsContext;
26 import org.apache.hadoop.metrics.MetricsRecord;
27 import org.apache.hadoop.metrics.MetricsUtil;
28 import org.apache.hadoop.metrics.Updater;
29 import org.apache.hadoop.metrics.jvm.JvmMetrics;
30 import org.apache.hadoop.metrics.util.MetricsIntValue;
31 import org.apache.hadoop.metrics.util.MetricsLongValue;
32 import org.apache.hadoop.metrics.util.MetricsRegistry;
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37
38 public class ReplicationSourceMetrics implements Updater {
39 private final MetricsRecord metricsRecord;
40 private MetricsRegistry registry = new MetricsRegistry();
41 private ReplicationStatistics replicationStatistics;
42
43
44 public final MetricsRate shippedOpsRate =
45 new MetricsRate("shippedOpsRate", registry);
46
47
48 public final MetricsRate shippedBatchesRate =
49 new MetricsRate("shippedBatchesRate", registry);
50
51
52 public final MetricsRate logEditsReadRate =
53 new MetricsRate("logEditsReadRate", registry);
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55
56 public final MetricsRate logEditsFilteredRate =
57 new MetricsRate("logEditsFilteredRate", registry);
58
59
60 private final MetricsLongValue ageOfLastShippedOp =
61 new MetricsLongValue("ageOfLastShippedOp", registry);
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67 public final MetricsIntValue sizeOfLogQueue =
68 new MetricsIntValue("sizeOfLogQueue", registry);
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73 private long lastTimestampForAge = System.currentTimeMillis();
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78
79 public ReplicationSourceMetrics(String id) {
80 MetricsContext context = MetricsUtil.getContext("hbase");
81 String name = Thread.currentThread().getName();
82 metricsRecord = MetricsUtil.createRecord(context, "replication");
83 metricsRecord.setTag("RegionServer", name);
84 context.registerUpdater(this);
85 try {
86 id = URLEncoder.encode(id, "UTF8");
87 } catch (UnsupportedEncodingException e) {
88 id = "CAN'T ENCODE UTF8";
89 }
90
91 replicationStatistics = new ReplicationStatistics(this.registry, "ReplicationSource for " + id);
92 }
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98 public void setAgeOfLastShippedOp(long timestamp) {
99 lastTimestampForAge = timestamp;
100 ageOfLastShippedOp.set(System.currentTimeMillis() - lastTimestampForAge);
101 }
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108 public void refreshAgeOfLastShippedOp() {
109 setAgeOfLastShippedOp(lastTimestampForAge);
110 }
111
112 @Override
113 public void doUpdates(MetricsContext metricsContext) {
114 synchronized (this) {
115 refreshAgeOfLastShippedOp();
116 this.shippedOpsRate.pushMetric(this.metricsRecord);
117 this.shippedBatchesRate.pushMetric(this.metricsRecord);
118 this.logEditsReadRate.pushMetric(this.metricsRecord);
119 this.logEditsFilteredRate.pushMetric(this.metricsRecord);
120 this.ageOfLastShippedOp.pushMetric(this.metricsRecord);
121 this.sizeOfLogQueue.pushMetric(this.metricsRecord);
122 }
123 this.metricsRecord.update();
124 }
125
126 public void stopReportMetrics() {
127 if (this.replicationStatistics != null) {
128 this.replicationStatistics.unRegisterMBean();
129 }
130 }
131 }