| /** |
| * 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.hadoop.tools.rumen; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.mapreduce.jobhistory.JhCounters; |
| |
| /** |
| * This is a wrapper class around {@link LoggedTask}. This provides also the |
| * extra information about the task obtained from job history which is not |
| * written to the JSON trace file. |
| */ |
| public class ParsedTask extends LoggedTask { |
| |
| private static final Log LOG = LogFactory.getLog(ParsedTask.class); |
| |
| private String diagnosticInfo; |
| private String failedDueToAttempt; |
| private Map<String, Long> countersMap = new HashMap<String, Long>(); |
| |
| ParsedTask() { |
| super(); |
| } |
| |
| public void incorporateCounters(JhCounters counters) { |
| Map<String, Long> countersMap = |
| JobHistoryUtils.extractCounters(counters); |
| putCounters(countersMap); |
| |
| super.incorporateCounters(counters); |
| } |
| |
| /** Set the task counters */ |
| public void putCounters(Map<String, Long> counters) { |
| this.countersMap = counters; |
| } |
| |
| /** |
| * @return the task counters |
| */ |
| public Map<String, Long> obtainCounters() { |
| return countersMap; |
| } |
| |
| /** Set the task diagnostic-info */ |
| public void putDiagnosticInfo(String msg) { |
| diagnosticInfo = msg; |
| } |
| |
| /** |
| * @return the diagnostic-info of this task. |
| * If the task is successful, returns null. |
| */ |
| public String obtainDiagnosticInfo() { |
| return diagnosticInfo; |
| } |
| |
| /** |
| * Set the failed-due-to-attemptId info of this task. |
| */ |
| public void putFailedDueToAttemptId(String attempt) { |
| failedDueToAttempt = attempt; |
| } |
| |
| /** |
| * @return the failed-due-to-attemptId info of this task. |
| * If the task is successful, returns null. |
| */ |
| public String obtainFailedDueToAttemptId() { |
| return failedDueToAttempt; |
| } |
| |
| List<ParsedTaskAttempt> obtainTaskAttempts() { |
| List<LoggedTaskAttempt> attempts = getAttempts(); |
| return convertTaskAttempts(attempts); |
| } |
| |
| List<ParsedTaskAttempt> convertTaskAttempts( |
| List<LoggedTaskAttempt> attempts) { |
| List<ParsedTaskAttempt> result = new ArrayList<ParsedTaskAttempt>(); |
| |
| for (LoggedTaskAttempt t : attempts) { |
| if (t instanceof ParsedTaskAttempt) { |
| result.add((ParsedTaskAttempt)t); |
| } else { |
| throw new RuntimeException( |
| "Unexpected type of taskAttempts in the list..."); |
| } |
| } |
| return result; |
| } |
| |
| /** Dump the extra info of ParsedTask */ |
| void dumpParsedTask() { |
| LOG.info("ParsedTask details:" + obtainCounters() |
| + "\n" + obtainFailedDueToAttemptId() |
| + "\nPreferred Locations are:"); |
| List<LoggedLocation> loc = getPreferredLocations(); |
| for (LoggedLocation l : loc) { |
| LOG.info(l.getLayers() + ";" + l.toString()); |
| } |
| List<ParsedTaskAttempt> attempts = obtainTaskAttempts(); |
| for (ParsedTaskAttempt attempt : attempts) { |
| attempt.dumpParsedTaskAttempt(); |
| } |
| } |
| } |