001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.replication.regionserver; 019 020import org.apache.hadoop.metrics2.lib.MutableFastCounter; 021import org.apache.hadoop.metrics2.lib.MutableHistogram; 022import org.apache.yetus.audience.InterfaceAudience; 023 024/** 025 * This is the metric source for table level replication metrics. 026 * We can easy monitor some useful table level replication metrics such as 027 * ageOfLastShippedOp and shippedBytes 028 */ 029@InterfaceAudience.Private 030public class MetricsReplicationTableSourceImpl implements MetricsReplicationTableSource { 031 032 private final MetricsReplicationSourceImpl rms; 033 private final String tableName; 034 private final String ageOfLastShippedOpKey; 035 private String keyPrefix; 036 037 private final String shippedBytesKey; 038 039 private final MutableHistogram ageOfLastShippedOpHist; 040 private final MutableFastCounter shippedBytesCounter; 041 042 public MetricsReplicationTableSourceImpl(MetricsReplicationSourceImpl rms, String tableName) { 043 this.rms = rms; 044 this.tableName = tableName; 045 this.keyPrefix = "source." + this.tableName + "."; 046 047 ageOfLastShippedOpKey = this.keyPrefix + "ageOfLastShippedOp"; 048 ageOfLastShippedOpHist = rms.getMetricsRegistry().getHistogram(ageOfLastShippedOpKey); 049 050 shippedBytesKey = this.keyPrefix + "shippedBytes"; 051 shippedBytesCounter = rms.getMetricsRegistry().getCounter(shippedBytesKey, 0L); 052 } 053 054 @Override 055 public void setLastShippedAge(long age) { 056 ageOfLastShippedOpHist.add(age); 057 } 058 059 @Override 060 public void incrShippedBytes(long size) { 061 shippedBytesCounter.incr(size); 062 } 063 064 @Override 065 public void clear() { 066 rms.removeMetric(ageOfLastShippedOpKey); 067 rms.removeMetric(shippedBytesKey); 068 } 069 070 @Override 071 public long getLastShippedAge() { 072 return ageOfLastShippedOpHist.getMax(); 073 } 074 075 @Override 076 public long getShippedBytes() { 077 return shippedBytesCounter.value(); 078 } 079 080 @Override 081 public void init() { 082 rms.init(); 083 } 084 085 @Override 086 public void setGauge(String gaugeName, long value) { 087 rms.setGauge(this.keyPrefix + gaugeName, value); 088 } 089 090 @Override 091 public void incGauge(String gaugeName, long delta) { 092 rms.incGauge(this.keyPrefix + gaugeName, delta); 093 } 094 095 @Override 096 public void decGauge(String gaugeName, long delta) { 097 rms.decGauge(this.keyPrefix + gaugeName, delta); 098 } 099 100 @Override 101 public void removeMetric(String key) { 102 rms.removeMetric(this.keyPrefix + key); 103 } 104 105 @Override 106 public void incCounters(String counterName, long delta) { 107 rms.incCounters(this.keyPrefix + counterName, delta); 108 } 109 110 @Override 111 public void updateHistogram(String name, long value) { 112 rms.updateHistogram(this.keyPrefix + name, value); 113 } 114 115 @Override 116 public String getMetricsContext() { 117 return rms.getMetricsContext(); 118 } 119 120 @Override 121 public String getMetricsDescription() { 122 return rms.getMetricsDescription(); 123 } 124 125 @Override 126 public String getMetricsJmxContext() { 127 return rms.getMetricsJmxContext(); 128 } 129 130 @Override 131 public String getMetricsName() { 132 return rms.getMetricsName(); 133 } 134}