hadoop ReduceTaskAttemptInfo 源码
haddop ReduceTaskAttemptInfo 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/dao/ReduceTaskAttemptInfo.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.hadoop.mapreduce.v2.app.webapp.dao;
import javax.xml.bind.annotation.XmlRootElement;
import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
import org.apache.hadoop.yarn.util.Times;
@XmlRootElement(name = "taskAttempt")
public class ReduceTaskAttemptInfo extends TaskAttemptInfo {
protected long shuffleFinishTime;
protected long mergeFinishTime;
protected long elapsedShuffleTime;
protected long elapsedMergeTime;
protected long elapsedReduceTime;
public ReduceTaskAttemptInfo() {
}
public ReduceTaskAttemptInfo(TaskAttempt ta) {
this(ta, false);
}
public ReduceTaskAttemptInfo(TaskAttempt ta, Boolean isRunning) {
super(ta, TaskType.REDUCE, isRunning);
this.shuffleFinishTime = ta.getShuffleFinishTime();
this.mergeFinishTime = ta.getSortFinishTime();
this.elapsedShuffleTime = Times.elapsed(this.startTime,
this.shuffleFinishTime, false);
if (this.elapsedShuffleTime == -1) {
this.elapsedShuffleTime = 0;
}
this.elapsedMergeTime = Times.elapsed(this.shuffleFinishTime,
this.mergeFinishTime, false);
if (this.elapsedMergeTime == -1) {
this.elapsedMergeTime = 0;
}
this.elapsedReduceTime = Times.elapsed(this.mergeFinishTime,
this.finishTime, false);
if (this.elapsedReduceTime == -1) {
this.elapsedReduceTime = 0;
}
}
public long getShuffleFinishTime() {
return this.shuffleFinishTime;
}
public long getMergeFinishTime() {
return this.mergeFinishTime;
}
public long getElapsedShuffleTime() {
return this.elapsedShuffleTime;
}
public long getElapsedMergeTime() {
return this.elapsedMergeTime;
}
public long getElapsedReduceTime() {
return this.elapsedReduceTime;
}
}
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