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https://issues.apache.org/jira/browse/AMBARI-10829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524382#comment-14524382
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Yusaku Sako commented on AMBARI-10829:
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Committed to branch-2.0.maint.
> YARN heapsize does not take effect
> ----------------------------------
>
> Key: AMBARI-10829
> URL: https://issues.apache.org/jira/browse/AMBARI-10829
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Fix For: 2.1.0, 2.0.1
>
> Attachments: AMBARI-10829.patch
>
>
> There's a parameter called "AppTimelineServer Java heap size" under YARN >
> Configs.
> Changing this does not affect the actual heap size used by AppTimeLineServer.
> No matter what the setting is, 1024MB is always used.
> This is because the yarn-env template has a bug.
> The following line:
> {code}
> export YARN_HISTORYSERVER_HEAPSIZE={{apptimelineserver_heapsize}}
> {code}
> should be replaced with:
> {code}
> export YARN_TIMELINESERVER_HEAPSIZE={{apptimelineserver_heapsize}}
> {code}
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