org.apache.hadoop.hbase.replication.regionserver.MetricsReplicationTableSourceImpl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hbase-hadoop2-compat Show documentation
Show all versions of hbase-hadoop2-compat Show documentation
Interfaces to be implemented in order to smooth
over hadoop version differences
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.replication.regionserver;
import org.apache.hadoop.metrics2.lib.MutableFastCounter;
import org.apache.hadoop.metrics2.lib.MutableHistogram;
import org.apache.yetus.audience.InterfaceAudience;
/**
* This is the metric source for table level replication metrics. We can easy monitor some useful
* table level replication metrics such as ageOfLastShippedOp and shippedBytes
*/
@InterfaceAudience.Private
public class MetricsReplicationTableSourceImpl implements MetricsReplicationTableSource {
private final MetricsReplicationSourceImpl rms;
private final String tableName;
private final String ageOfLastShippedOpKey;
private String keyPrefix;
private final String shippedBytesKey;
private final MutableHistogram ageOfLastShippedOpHist;
private final MutableFastCounter shippedBytesCounter;
public MetricsReplicationTableSourceImpl(MetricsReplicationSourceImpl rms, String tableName) {
this.rms = rms;
this.tableName = tableName;
this.keyPrefix = "source." + this.tableName + ".";
ageOfLastShippedOpKey = this.keyPrefix + "ageOfLastShippedOp";
ageOfLastShippedOpHist = rms.getMetricsRegistry().newTimeHistogram(ageOfLastShippedOpKey);
shippedBytesKey = this.keyPrefix + "shippedBytes";
shippedBytesCounter = rms.getMetricsRegistry().getCounter(shippedBytesKey, 0L);
}
@Override
public void setLastShippedAge(long age) {
ageOfLastShippedOpHist.add(age);
}
@Override
public void incrShippedBytes(long size) {
shippedBytesCounter.incr(size);
}
@Override
public void clear() {
rms.removeMetric(ageOfLastShippedOpKey);
rms.removeMetric(shippedBytesKey);
}
@Override
public long getLastShippedAge() {
return ageOfLastShippedOpHist.getMax();
}
@Override
public long getShippedBytes() {
return shippedBytesCounter.value();
}
@Override
public void init() {
rms.init();
}
@Override
public void setGauge(String gaugeName, long value) {
rms.setGauge(this.keyPrefix + gaugeName, value);
}
@Override
public void incGauge(String gaugeName, long delta) {
rms.incGauge(this.keyPrefix + gaugeName, delta);
}
@Override
public void decGauge(String gaugeName, long delta) {
rms.decGauge(this.keyPrefix + gaugeName, delta);
}
@Override
public void removeMetric(String key) {
rms.removeMetric(this.keyPrefix + key);
}
@Override
public void incCounters(String counterName, long delta) {
rms.incCounters(this.keyPrefix + counterName, delta);
}
@Override
public void updateHistogram(String name, long value) {
rms.updateHistogram(this.keyPrefix + name, value);
}
@Override
public String getMetricsContext() {
return rms.getMetricsContext();
}
@Override
public String getMetricsDescription() {
return rms.getMetricsDescription();
}
@Override
public String getMetricsJmxContext() {
return rms.getMetricsJmxContext();
}
@Override
public String getMetricsName() {
return rms.getMetricsName();
}
}