hadoop TaskAttempt 源码
haddop TaskAttempt 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/job/TaskAttempt.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.job;
import java.util.List;
import org.apache.hadoop.mapreduce.Counters;
import org.apache.hadoop.mapreduce.v2.api.records.Phase;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptReport;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.NodeId;
/**
* Read only view of TaskAttempt.
*/
public interface TaskAttempt {
TaskAttemptId getID();
TaskAttemptReport getReport();
List<String> getDiagnostics();
Counters getCounters();
float getProgress();
Phase getPhase();
TaskAttemptState getState();
/**
* Has attempt reached the final state or not.
* @return true if it has finished, else false
*/
boolean isFinished();
/**
* @return the container ID if a container is assigned, otherwise null.
*/
ContainerId getAssignedContainerID();
/**
* @return container mgr address if a container is assigned, otherwise null.
*/
String getAssignedContainerMgrAddress();
/**
* @return node's id if a container is assigned, otherwise null.
*/
NodeId getNodeId();
/**
* @return node's http address if a container is assigned, otherwise null.
*/
String getNodeHttpAddress();
/**
* @return node's rack name if a container is assigned, otherwise null.
*/
String getNodeRackName();
/**
* @return time at which container is launched. If container is not launched
* yet, returns 0.
*/
long getLaunchTime();
/**
* @return attempt's finish time. If attempt is not finished
* yet, returns 0.
*/
long getFinishTime();
/**
* @return The attempt's shuffle finish time if the attempt is a reduce. If
* attempt is not finished yet, returns 0.
*/
long getShuffleFinishTime();
/**
* @return The attempt's sort or merge finish time if the attempt is a reduce.
* If attempt is not finished yet, returns 0.
*/
long getSortFinishTime();
/**
* @return the port shuffle is on.
*/
public int getShufflePort();
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦