kafka ConsumerMetrics 源码
kafka ConsumerMetrics 代码
文件路径：/clients/src/main/java/org/apache/kafka/clients/consumer/internals/ConsumerMetrics.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.consumer.internals;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.kafka.common.MetricNameTemplate;
import org.apache.kafka.common.metrics.Metrics;
public class ConsumerMetrics {
public FetcherMetricsRegistry fetcherMetrics;
public ConsumerMetrics(Set<String> metricsTags, String metricGrpPrefix) {
this.fetcherMetrics = new FetcherMetricsRegistry(metricsTags, metricGrpPrefix);
}
public ConsumerMetrics(String metricGroupPrefix) {
this(new HashSet<String>(), metricGroupPrefix);
}
private List<MetricNameTemplate> getAllTemplates() {
List<MetricNameTemplate> l = new ArrayList<>(this.fetcherMetrics.getAllTemplates());
return l;
}
public static void main(String[] args) {
Set<String> tags = new HashSet<>();
tags.add("client-id");
ConsumerMetrics metrics = new ConsumerMetrics(tags, "consumer");
System.out.println(Metrics.toHtmlTable("kafka.consumer", metrics.getAllTemplates()));
}
}
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