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https://issues.apache.org/jira/browse/YARN-10885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17827033#comment-17827033
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Yuan Luo commented on YARN-10885:
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!image-2024-03-14-18-02-21-278.png!
!image-2024-03-14-18-02-49-146.png!
hi [~slfan1989] [~chaosju] After apply this feature to our prod env, I found
the memory of the router keeps growing over time. This is because after jobs
finished, we won't access the expired key to trigger cleanup mechanism. Is it
better to add cache maximum number limit？
> Make FederationStateStoreFacade#getApplicationHomeSubCluster use JCache
> -----------------------------------------------------------------------
>
> Key: YARN-10885
> URL: https://issues.apache.org/jira/browse/YARN-10885
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: federation
> Affects Versions: 3.4.0
> Reporter: chaosju
> Assignee: Shilun Fan
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> Yarn Client getApplicationReport function may produce lots of zookeeper ops,
> Its import to use the JCache that cache the mapping of application and
> subcluster id.
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