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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5028) RMStateStore should trim down app state for completed applications
Date Mon, 12 Feb 2018 23:38:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-5028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361601#comment-16361601
] 

Yufei Gu commented on YARN-5028:
--------------------------------

Thanks [~grepas]. I'm OK with the first four fields. Can you tell me a little more about the
last two fields? Which unit tests failed? We probably need to change unit tests if the code
only breaks unit tests. 

> 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
>
>
> 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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