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https://issues.apache.org/jira/browse/AMBARI-15880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Onischuk updated AMBARI-15880:
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Attachment: AMBARI-15880.patch
> ATS heapsize cannot be changed in Ambari-2.2.1.1 or greater post Ambari
> Server upgrade, even though the bug should be fixed
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-15880
> URL: https://issues.apache.org/jira/browse/AMBARI-15880
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Fix For: 2.4.0
>
> Attachments: AMBARI-15880.patch
>
>
> yarn-env had an issue where ATS heapsize was not getting set correctly
> This was fixed in Ambari-2.1.0 for HDP 2.2 and Ambari-2.2.1.1 for HDP
> 2.3/2.4.
> However, "ambari-server upgrade" does not fix yarn-env, even if the user has
> never touched it.
> STR:
> * Install a HDP 2.4.0 cluster with YARN using Ambari 2.2.1.0
> * Confirm that yarn-env has **export
> YARN_HISTORYSERVER_HEAPSIZE=`apptimelineserver_heapsize`** (this is incorrect)
> * ambari-server stop
> * Install ambari.repo for Ambari 2.2.1.1
> * yum upgrade ambari-server
> * ambari-server upgrade
> * ambari-server start
> Actual: yarn-env still has **export
> YARN_HISTORYSERVER_HEAPSIZE=`apptimelineserver_heapsize`**
> Expected: yarn-env has **export
> YARN_TIMELINESERVER_HEAPSIZE=`apptimelineserver_heapsize`** instead
> This means that changing "AppTimelineServer Java heap size" from the UI has no
> effect on setting the actual heapsize for ATS.
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