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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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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);
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47
48 public final MetricsRate shippedKBRate =
49 new MetricsRate("shippedBytesRate", registry);
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51
52 public final MetricsRate shippedBatchesRate =
53 new MetricsRate("shippedBatchesRate", registry);
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55
56 public final MetricsRate logEditsReadRate =
57 new MetricsRate("logEditsReadRate", registry);
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60 public final MetricsRate logEditsFilteredRate =
61 new MetricsRate("logEditsFilteredRate", registry);
62
63
64 private final MetricsLongValue ageOfLastShippedOp =
65 new MetricsLongValue("ageOfLastShippedOp", registry);
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71 public final MetricsIntValue sizeOfLogQueue =
72 new MetricsIntValue("sizeOfLogQueue", registry);
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77 private long lastTimestampForAge = System.currentTimeMillis();
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83 public ReplicationSourceMetrics(String id) {
84 MetricsContext context = MetricsUtil.getContext("hbase");
85 String name = Thread.currentThread().getName();
86 metricsRecord = MetricsUtil.createRecord(context, "replication");
87 metricsRecord.setTag("RegionServer", name);
88 context.registerUpdater(this);
89 try {
90 id = URLEncoder.encode(id, "UTF8");
91 } catch (UnsupportedEncodingException e) {
92 id = "CAN'T ENCODE UTF8";
93 }
94
95 replicationStatistics = new ReplicationStatistics(this.registry, "ReplicationSource for " + id);
96 }
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102 public void setAgeOfLastShippedOp(long timestamp) {
103 lastTimestampForAge = timestamp;
104 ageOfLastShippedOp.set(System.currentTimeMillis() - lastTimestampForAge);
105 }
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112 public void refreshAgeOfLastShippedOp() {
113 setAgeOfLastShippedOp(lastTimestampForAge);
114 }
115
116 @Override
117 public void doUpdates(MetricsContext metricsContext) {
118 synchronized (this) {
119 refreshAgeOfLastShippedOp();
120 this.shippedOpsRate.pushMetric(this.metricsRecord);
121 this.shippedBatchesRate.pushMetric(this.metricsRecord);
122 this.shippedKBRate.pushMetric(this.metricsRecord);
123 this.logEditsReadRate.pushMetric(this.metricsRecord);
124 this.logEditsFilteredRate.pushMetric(this.metricsRecord);
125 this.ageOfLastShippedOp.pushMetric(this.metricsRecord);
126 this.sizeOfLogQueue.pushMetric(this.metricsRecord);
127 }
128 this.metricsRecord.update();
129 }
130
131 public void stopReportMetrics() {
132 if (this.replicationStatistics != null) {
133 this.replicationStatistics.unRegisterMBean();
134 }
135 }
136 }