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https://issues.apache.org/jira/browse/YARN-7834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621876#comment-16621876
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Gergely Pollak edited comment on YARN-7834 at 9/20/18 11:46 AM:
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[~curino] thank you for the patch, I'm aware this might need some more work to
be trunk compatible so I was unable to review it properly, but I've noticed
that in the TestLPQueueRebalancerRandomize test suite non-seeded random is
being used(on line 86), which mike result in transient errors without any way
to reproduce them based on the test. I would suggest using seeded random in
order to get more consistent results.
was (Author: shuzirra):
[~curino] thank you for the patch, while I'm aware this might need some more
work to be trunk compatible so I was unable to review it properly, but I've
noticed that in the TestLPQueueRebalancerRandomize test suite non-seeded random
is being used(on line 86), which mike result in transient errors without any
way to reproduce them based on the test. I would suggest using seeded random in
order to get more consistent results.
> [GQ] Rebalance queue configuration for load-balancing and locality affinities
> -----------------------------------------------------------------------------
>
> Key: YARN-7834
> URL: https://issues.apache.org/jira/browse/YARN-7834
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Priority: Major
> Attachments: YARN-7834.v1.patch
>
>
> This Jira tracks algorithmic work, which will run in the GPG and will
> rebalance the mapping of queues to sub-clusters. The current design supports
> both balancing the "load" across sub-clusters (proportionally to their size)
> and as a second objective to maximize the affinity between queues and the
> sub-clusters where they historically have most demand.
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