| /** |
| * 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 kafka.common.ClientIdAndTopic |
| import kafka.utils.{Pool, threadsafe} |
| import java.util.concurrent.TimeUnit |
| |
| |
| @threadsafe |
| class ProducerTopicMetrics(metricId: ClientIdAndTopic) extends KafkaMetricsGroup { |
| val messageRate = newMeter(metricId + "MessagesPerSec", "messages", TimeUnit.SECONDS) |
| val byteRate = newMeter(metricId + "BytesPerSec", "bytes", TimeUnit.SECONDS) |
| val droppedMessageRate = newMeter(metricId + "DroppedMessagesPerSec", "drops", TimeUnit.SECONDS) |
| } |
| |
| /** |
| * Tracks metrics for each topic the given producer client has produced data to. |
| * @param clientId The clientId of the given producer client. |
| */ |
| class ProducerTopicStats(clientId: String) { |
| private val valueFactory = (k: ClientIdAndTopic) => new ProducerTopicMetrics(k) |
| private val stats = new Pool[ClientIdAndTopic, ProducerTopicMetrics](Some(valueFactory)) |
| private val allTopicsStats = new ProducerTopicMetrics(new ClientIdAndTopic(clientId, "AllTopics")) // to differentiate from a topic named AllTopics |
| |
| def getProducerAllTopicsStats(): ProducerTopicMetrics = allTopicsStats |
| |
| def getProducerTopicStats(topic: String): ProducerTopicMetrics = { |
| stats.getAndMaybePut(new ClientIdAndTopic(clientId, topic + "-")) |
| } |
| } |
| |
| /** |
| * Stores the topic stats information of each producer client in a (clientId -> ProducerTopicStats) map. |
| */ |
| object ProducerTopicStatsRegistry { |
| private val valueFactory = (k: String) => new ProducerTopicStats(k) |
| private val globalStats = new Pool[String, ProducerTopicStats](Some(valueFactory)) |
| |
| def getProducerTopicStats(clientId: String) = { |
| globalStats.getAndMaybePut(clientId) |
| } |
| } |