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https://issues.apache.org/jira/browse/YARN-514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629782#comment-13629782
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Zhijie Shen commented on YARN-514:
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@Biksa, the enum values in the proto needs to be changed because
YarnApplicationStateProto will be used by application report. MR may also need
it when doing state conversion from Yarn state to MR state.
> Delayed store operations should not result in RM unavailability for app
> submission
> ----------------------------------------------------------------------------------
>
> Key: YARN-514
> URL: https://issues.apache.org/jira/browse/YARN-514
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Bikas Saha
> Assignee: Zhijie Shen
> Attachments: YARN-514.1.patch, YARN-514.2.patch, YARN-514.3.patch
>
>
> Currently, app submission is the only store operation performed synchronously
> because the app must be stored before the request returns with success. This
> makes the RM susceptible to blocking all client threads on slow store
> operations, resulting in RM being perceived as unavailable by clients.
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