kafka KafkaProducerMetrics 源码
kafka KafkaProducerMetrics 代码
文件路径:/clients/src/main/java/org/apache/kafka/clients/producer/internals/KafkaProducerMetrics.java
/*
* 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.kafka.clients.producer.internals;
import org.apache.kafka.common.MetricName;
import org.apache.kafka.common.metrics.Metrics;
import org.apache.kafka.common.metrics.Sensor;
import org.apache.kafka.common.metrics.stats.CumulativeSum;
import java.util.Map;
public class KafkaProducerMetrics implements AutoCloseable {
public static final String GROUP = "producer-metrics";
private static final String FLUSH = "flush";
private static final String TXN_INIT = "txn-init";
private static final String TXN_BEGIN = "txn-begin";
private static final String TXN_SEND_OFFSETS = "txn-send-offsets";
private static final String TXN_COMMIT = "txn-commit";
private static final String TXN_ABORT = "txn-abort";
private static final String TOTAL_TIME_SUFFIX = "-time-ns-total";
private static final String METADATA_WAIT = "metadata-wait";
private final Map<String, String> tags;
private final Metrics metrics;
private final Sensor initTimeSensor;
private final Sensor beginTxnTimeSensor;
private final Sensor flushTimeSensor;
private final Sensor sendOffsetsSensor;
private final Sensor commitTxnSensor;
private final Sensor abortTxnSensor;
private final Sensor metadataWaitSensor;
public KafkaProducerMetrics(Metrics metrics) {
this.metrics = metrics;
tags = this.metrics.config().tags();
flushTimeSensor = newLatencySensor(
FLUSH,
"Total time producer has spent in flush in nanoseconds."
);
initTimeSensor = newLatencySensor(
TXN_INIT,
"Total time producer has spent in initTransactions in nanoseconds."
);
beginTxnTimeSensor = newLatencySensor(
TXN_BEGIN,
"Total time producer has spent in beginTransaction in nanoseconds."
);
sendOffsetsSensor = newLatencySensor(
TXN_SEND_OFFSETS,
"Total time producer has spent in sendOffsetsToTransaction in nanoseconds."
);
commitTxnSensor = newLatencySensor(
TXN_COMMIT,
"Total time producer has spent in commitTransaction in nanoseconds."
);
abortTxnSensor = newLatencySensor(
TXN_ABORT,
"Total time producer has spent in abortTransaction in nanoseconds."
);
metadataWaitSensor = newLatencySensor(
METADATA_WAIT,
"Total time producer has spent waiting on topic metadata in nanoseconds."
);
}
@Override
public void close() {
removeMetric(FLUSH);
removeMetric(TXN_INIT);
removeMetric(TXN_BEGIN);
removeMetric(TXN_SEND_OFFSETS);
removeMetric(TXN_COMMIT);
removeMetric(TXN_ABORT);
removeMetric(METADATA_WAIT);
}
public void recordFlush(long duration) {
flushTimeSensor.record(duration);
}
public void recordInit(long duration) {
initTimeSensor.record(duration);
}
public void recordBeginTxn(long duration) {
beginTxnTimeSensor.record(duration);
}
public void recordSendOffsets(long duration) {
sendOffsetsSensor.record(duration);
}
public void recordCommitTxn(long duration) {
commitTxnSensor.record(duration);
}
public void recordAbortTxn(long duration) {
abortTxnSensor.record(duration);
}
public void recordMetadataWait(long duration) {
metadataWaitSensor.record(duration);
}
private Sensor newLatencySensor(String name, String description) {
Sensor sensor = metrics.sensor(name + TOTAL_TIME_SUFFIX);
sensor.add(metricName(name, description), new CumulativeSum());
return sensor;
}
private MetricName metricName(final String name, final String description) {
return metrics.metricName(name + TOTAL_TIME_SUFFIX, GROUP, description, tags);
}
private void removeMetric(final String name) {
metrics.removeSensor(name + TOTAL_TIME_SUFFIX);
}
}
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