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https://issues.apache.org/jira/browse/YARN-8489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16746885#comment-16746885
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Hudson commented on YARN-8489:
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FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #15792 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15792/])
YARN-8489. Support "dominant" component concept in YARN service.
(eyang: rev 824dfa3b099a09f18db6b0a3285eb4379ab72c2d)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/component/instance/ComponentInstance.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-submarine/src/main/java/org/apache/hadoop/yarn/submarine/runtimes/yarnservice/YarnServiceJobSubmitter.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/Configurations.md
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/conf/YarnServiceConstants.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/ServiceScheduler.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/component/TestComponent.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/component/instance/TestComponentInstance.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/ServiceTestUtils.java
> Need to support "dominant" component concept inside YARN service
> ----------------------------------------------------------------
>
> Key: YARN-8489
> URL: https://issues.apache.org/jira/browse/YARN-8489
> Project: Hadoop YARN
> Issue Type: Task
> Components: yarn-native-services
> Reporter: Wangda Tan
> Assignee: Zac Zhou
> Priority: Major
> Attachments: YARN-8489.001.patch, YARN-8489.002.patch,
> YARN-8489.003.patch, YARN-8489.004.patch, YARN-8489.005.patch
>
>
> Existing YARN service support termination policy for different restart
> policies. For example ALWAYS means service will not be terminated. And NEVER
> means if all component terminated, service will be terminated.
> The name "dominant" might not be most appropriate , we can figure out better
> names. But in simple, it means, a dominant component which final state will
> determine job's final state regardless of other components.
> Use cases:
> 1) Tensorflow job has master/worker/services/tensorboard. Once master goes to
> final state, no matter if it is succeeded or failed, we should terminate
> ps/tensorboard/workers. And the mark the job to succeeded/failed.
> 2) Not sure if it is a real-world use case: A service which has multiple
> component, some component is not restartable. For such services, if a
> component is failed, we should mark the whole service to failed.
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