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https://issues.apache.org/jira/browse/YARN-514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13634810#comment-13634810
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Vinod Kumar Vavilapalli commented on YARN-514:
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Zhijie, can you please run all the tests locally and see what else may be
failing? I am running them too to cross-verify.
If there are many failures we should revert the patch, otherwise we can just
file a follow up ticket and fix it.
> 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,
> YARN-514.4.patch, YARN-514.5.patch, YARN-514.6.patch, YARN-514.7.patch,
> YARN-514.8.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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