hadoop ContainerLauncher 源码
haddop ContainerLauncher 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/launcher/ContainerLauncher.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.launcher;
import org.apache.hadoop.yarn.event.EventHandler;
public interface ContainerLauncher
extends EventHandler<ContainerLauncherEvent> {
enum EventType {
CONTAINER_REMOTE_LAUNCH,
CONTAINER_REMOTE_CLEANUP,
// When TaskAttempt receives TA_CONTAINER_COMPLETED,
// it will notify ContainerLauncher so that the container can be removed
// from ContainerLauncher's launched containers list
// Otherwise, ContainerLauncher will try to stop the containers as part of
// serviceStop.
CONTAINER_COMPLETED
}
}
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