| /** |
| * 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.tez.engine.common.shuffle.impl; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.metrics.MetricsContext; |
| import org.apache.hadoop.metrics.MetricsRecord; |
| import org.apache.hadoop.metrics.MetricsUtil; |
| import org.apache.hadoop.metrics.Updater; |
| import org.apache.tez.common.Constants; |
| import org.apache.tez.common.TezJobConfig; |
| import org.apache.tez.engine.common.TezEngineUtils; |
| |
| class ShuffleClientMetrics implements Updater { |
| |
| private MetricsRecord shuffleMetrics = null; |
| private int numFailedFetches = 0; |
| private int numSuccessFetches = 0; |
| private long numBytes = 0; |
| private int numThreadsBusy = 0; |
| private final int numCopiers; |
| |
| ShuffleClientMetrics(String dagName, String vertexName, int taskIndex, Configuration conf, |
| String user) { |
| this.numCopiers = |
| conf.getInt( |
| TezJobConfig.TEZ_ENGINE_SHUFFLE_PARALLEL_COPIES, |
| TezJobConfig.DEFAULT_TEZ_ENGINE_SHUFFLE_PARALLEL_COPIES); |
| |
| MetricsContext metricsContext = MetricsUtil.getContext(Constants.TEZ); |
| this.shuffleMetrics = |
| MetricsUtil.createRecord(metricsContext, "shuffleInput"); |
| this.shuffleMetrics.setTag("user", user); |
| this.shuffleMetrics.setTag("dagName", dagName); |
| this.shuffleMetrics.setTag("taskId", TezEngineUtils.getTaskIdentifier(vertexName, taskIndex)); |
| this.shuffleMetrics.setTag("sessionId", |
| conf.get( |
| TezJobConfig.TEZ_ENGINE_METRICS_SESSION_ID, |
| TezJobConfig.DEFAULT_TEZ_ENGINE_METRICS_SESSION_ID)); |
| metricsContext.registerUpdater(this); |
| } |
| public synchronized void inputBytes(long numBytes) { |
| this.numBytes += numBytes; |
| } |
| public synchronized void failedFetch() { |
| ++numFailedFetches; |
| } |
| public synchronized void successFetch() { |
| ++numSuccessFetches; |
| } |
| public synchronized void threadBusy() { |
| ++numThreadsBusy; |
| } |
| public synchronized void threadFree() { |
| --numThreadsBusy; |
| } |
| public void doUpdates(MetricsContext unused) { |
| synchronized (this) { |
| shuffleMetrics.incrMetric("shuffle_input_bytes", numBytes); |
| shuffleMetrics.incrMetric("shuffle_failed_fetches", |
| numFailedFetches); |
| shuffleMetrics.incrMetric("shuffle_success_fetches", |
| numSuccessFetches); |
| if (numCopiers != 0) { |
| shuffleMetrics.setMetric("shuffle_fetchers_busy_percent", |
| 100*((float)numThreadsBusy/numCopiers)); |
| } else { |
| shuffleMetrics.setMetric("shuffle_fetchers_busy_percent", 0); |
| } |
| numBytes = 0; |
| numSuccessFetches = 0; |
| numFailedFetches = 0; |
| } |
| shuffleMetrics.update(); |
| } |
| } |