/** * 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 kafka.producer import kafka.metrics.KafkaMetricsGroup import java.util.concurrent.TimeUnit import kafka.utils.Pool class ProducerStats(clientId: String) extends KafkaMetricsGroup { val tags: Map[String, String] = Map("clientId" -> clientId) val serializationErrorRate = newMeter("SerializationErrorsPerSec", "errors", TimeUnit.SECONDS, tags) val resendRate = newMeter("ResendsPerSec", "resends", TimeUnit.SECONDS, tags) val failedSendRate = newMeter("FailedSendsPerSec", "failed sends", TimeUnit.SECONDS, tags) } /** * Stores metrics of serialization and message sending activity of each producer client in a (clientId -> ProducerStats) map. */ object ProducerStatsRegistry { private val valueFactory = (k: String) => new ProducerStats(k) private val statsRegistry = new Pool[String, ProducerStats](Some(valueFactory)) def getProducerStats(clientId: String) = { statsRegistry.getAndMaybePut(clientId) } def removeProducerStats(clientId: String) { statsRegistry.remove(clientId) } }