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https://issues.apache.org/jira/browse/YARN-6285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925255#comment-15925255
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yunjiong zhao commented on YARN-6285:
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I created another issue https://issues.apache.org/jira/browse/YARN-6339 for
improve performance.
> 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,
> YARN-6285.003.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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