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https://issues.apache.org/jira/browse/YARN-5028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16367565#comment-16367565
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Gergo Repas commented on YARN-5028:
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[~rohithsharma] - Sure, I'm going to put together statistics on znode data
sizes with/without the patch.
In the earlier patch versions AMContainerSpec was also removed from the
submission context, but it was put back in because the ACLs for the
applications are coming from the AMContainerSpec - maybe a trimmed down
AMContainerSpec containing only ACL data could help - I'll also include such a
version in the comparison.
> RMStateStore should trim down app state for completed applications
> ------------------------------------------------------------------
>
> Key: YARN-5028
> URL: https://issues.apache.org/jira/browse/YARN-5028
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 2.8.0
> Reporter: Karthik Kambatla
> Assignee: Gergo Repas
> Priority: Major
> Attachments: YARN-5028.000.patch, YARN-5028.001.patch,
> YARN-5028.002.patch, YARN-5028.003.patch, YARN-5028.004.patch
>
>
> RMStateStore stores enough information to recover applications in case of a
> restart. The store also retains this information for completed applications
> to serve their status to REST, WebUI, Java and CLI clients. We don't need all
> the information we store today to serve application status; for instance, we
> don't need the {{ApplicationSubmissionContext}}.
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