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Date: Sun, 10 Sep 2017 13:53:01 +0000 (UTC)
From: "Manikandan R (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Updated] (YARN-65) Reduce RM app memory footprint once app
 has completed
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archived-at: Sun, 10 Sep 2017 13:53:08 -0000


     [ https://issues.apache.org/jira/browse/YARN-65?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manikandan R updated YARN-65:
-----------------------------
    Attachment: YARN-65.013.patch

> Reduce RM app memory footprint once app has completed
> -----------------------------------------------------
>
>                 Key: YARN-65
>                 URL: https://issues.apache.org/jira/browse/YARN-65
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 0.23.3
>            Reporter: Jason Lowe
>            Assignee: Manikandan R
>         Attachments: YARN-65.001.patch, YARN-65.002.patch, YARN-65.003.patch, YARN-65.004.patch, YARN-65.005.patch, YARN-65.006.patch, YARN-65.007.patch, YARN-65.008.patch, YARN-65.009.patch, YARN-65.010.patch, YARN-65.011.patch, YARN-65.012.patch, YARN-65.013.patch
>
>
> The ResourceManager holds onto a configurable number of completed applications (yarn.resource.max-completed-applications, defaults to 10000), and the memory footprint of these completed applications can be significant.  For example, the {{submissionContext}} in RMAppImpl contains references to protocolbuffer objects and other items that probably aren't necessary to keep around once the application has completed.  We could significantly reduce the memory footprint of the RM by releasing objects that are no longer necessary once an application completes.


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