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https://issues.apache.org/jira/browse/YARN-5889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15812451#comment-15812451
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Wangda Tan commented on YARN-5889:
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bq. Let's please do these as separate JIRAs. We are extremely anxious to move
this JIRA forward since it is blocking YARN-2113 (user limit-based intra-queue
preemption).
I understand, however I prefer to do the refactoring together with the patch,
If we don't actively do refactoring to make a clean code structure with major
behavior changes, it will cause a lot of trouble to maintain the code and add
new functionalities. I'm OK with moving other changes like partition-related
changes to a separate JIRA if it needs considerable effort.
> Improve user-limit calculation in capacity scheduler
> ----------------------------------------------------
>
> Key: YARN-5889
> URL: https://issues.apache.org/jira/browse/YARN-5889
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Reporter: Sunil G
> Assignee: Sunil G
> Attachments: YARN-5889.0001.patch,
> YARN-5889.0001.suggested.patchnotes, YARN-5889.v0.patch, YARN-5889.v1.patch,
> YARN-5889.v2.patch
>
>
> Currently user-limit is computed during every heartbeat allocation cycle with
> a write lock. To improve performance, this tickets is focussing on moving
> user-limit calculation out of heartbeat allocation flow.
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