org.apache.flink.runtime.metrics.groups.OperatorIOMetricGroup Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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*/
package org.apache.flink.runtime.metrics.groups;
import org.apache.flink.metrics.Counter;
import org.apache.flink.metrics.Meter;
import org.apache.flink.metrics.MeterView;
import org.apache.flink.runtime.metrics.MetricNames;
/**
* Metric group that contains shareable pre-defined IO-related metrics. The metrics registration is
* forwarded to the parent operator metric group.
*/
public class OperatorIOMetricGroup extends ProxyMetricGroup {
private final Counter numRecordsIn;
private final Counter numRecordsOut;
private final Meter numRecordsInRate;
private final Meter numRecordsOutRate;
public OperatorIOMetricGroup(OperatorMetricGroup parentMetricGroup) {
super(parentMetricGroup);
numRecordsIn = parentMetricGroup.counter(MetricNames.IO_NUM_OPERATOR_RECORDS_IN);
numRecordsOut = parentMetricGroup.counter(MetricNames.IO_NUM_OPERATOR_RECORDS_OUT);
numRecordsInRate = parentMetricGroup.meter(MetricNames.IO_NUM_OPERATOR_RECORDS_IN_RATE, new MeterView(numRecordsIn, 60));
numRecordsOutRate = parentMetricGroup.meter(MetricNames.IO_NUM_OPERATOR_RECORDS_OUT_RATE, new MeterView(numRecordsOut, 60));
}
public Counter getNumRecordsInCounter() {
return numRecordsIn;
}
public Counter getNumRecordsOutCounter() {
return numRecordsOut;
}
public Meter getNumRecordsInRateMeter() {
return numRecordsInRate;
}
public Meter getNumRecordsOutRate() {
return numRecordsOutRate;
}
/**
* Causes the containing task to use this operators input record counter.
*/
public void reuseInputMetricsForTask() {
TaskIOMetricGroup taskIO = parentMetricGroup.parent().getIOMetricGroup();
taskIO.reuseRecordsInputCounter(this.numRecordsIn);
}
/**
* Causes the containing task to use this operators output record counter.
*/
public void reuseOutputMetricsForTask() {
TaskIOMetricGroup taskIO = parentMetricGroup.parent().getIOMetricGroup();
taskIO.reuseRecordsOutputCounter(this.numRecordsOut);
}
}