org.apache.flink.runtime.state.gemini.engine.metrics.FileCleanerMetrics Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.flink.runtime.state.gemini.engine.metrics;
import org.apache.flink.metrics.MetricGroup;
import org.apache.flink.runtime.state.gemini.engine.fs.FileCleanerStat;
/**
* File cleaner metrics.
*/
public class FileCleanerMetrics extends MetricsBase {
private static final String RECEIVED_FILES = "received_files";
private static final String DELETED_FILES = "deleted_files";
private static final String FAILED_DELETE_FILES = "failed_delete_files";
private boolean hasRegistered;
public FileCleanerMetrics(MetricGroup metricGroup, int sampleCountInterval) {
this(metricGroup, sampleCountInterval, DEFAULT_HISTOGRAM_WINDOW_SIZE);
}
public FileCleanerMetrics(MetricGroup metricGroup, int sampleCountInterval, int histogramWindowSize) {
super(metricGroup, sampleCountInterval, histogramWindowSize);
this.hasRegistered = false;
}
public void register(FileCleanerStat fileCleanerStat) {
synchronized (this) {
if (hasRegistered) {
return;
}
hasRegistered = true;
}
getGaugeMetric(RECEIVED_FILES, () -> fileCleanerStat.addTotalReceivedFile(0));
getGaugeMetric(DELETED_FILES, () -> fileCleanerStat.addTotalDeletedFile(0));
getGaugeMetric(FAILED_DELETE_FILES, () -> fileCleanerStat.addTotalFailedDeletedFiles(0));
}
}