org.apache.flink.runtime.io.network.metrics.OutputBuffersGauge Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* 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,
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*/
package org.apache.flink.runtime.io.network.metrics;
import org.apache.flink.metrics.Gauge;
import org.apache.flink.runtime.io.network.partition.ResultPartition;
/**
* Gauge metric measuring the number of queued output buffers for {@link ResultPartition}s.
*/
public class OutputBuffersGauge implements Gauge {
private final ResultPartition[] resultPartitions;
public OutputBuffersGauge(ResultPartition[] resultPartitions) {
this.resultPartitions = resultPartitions;
}
@Override
public Integer getValue() {
int totalBuffers = 0;
for (ResultPartition producedPartition : resultPartitions) {
totalBuffers += producedPartition.getNumberOfQueuedBuffers();
}
return totalBuffers;
}
}