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From "yunjiong zhao (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-6285) Add option to set max limit on ResourceManager for ApplicationClientProtocol.getApplications
Date Fri, 03 Mar 2017 22:54:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-6285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895190#comment-15895190
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yunjiong zhao edited comment on YARN-6285 at 3/3/17 10:54 PM:
--------------------------------------------------------------

Fix checkstyle.
Failed unit test in TestRMRestart is not related.


was (Author: zhaoyunjiong):
Fix checkstyle.
Failure unit test is not related.

> Add option to set max limit on ResourceManager for ApplicationClientProtocol.getApplications
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-6285
>                 URL: https://issues.apache.org/jira/browse/YARN-6285
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: yunjiong zhao
>            Assignee: yunjiong zhao
>         Attachments: YARN-6285.001.patch, YARN-6285.002.patch
>
>
> When users called ApplicationClientProtocol.getApplications, it will return lots of data,
and generate lots of garbage on ResourceManager which caused long time GC.
> For example, on one of our RM, when called rest API " http://<rm http address:port>/ws/v1/cluster/apps"
it can return 150MB data which have 944 applications.
> getApplications have limit parameter, but some user might not set it, and then the limit
will be Long.MAX_VALUE.



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