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https://issues.apache.org/jira/browse/SLIDER-799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14382347#comment-14382347
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ASF subversion and git services commented on SLIDER-799:
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Commit f5f837cc74d008becac2a663c13753e65e8a32b8 in incubator-slider's branch
refs/heads/develop from [[email protected]]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-slider.git;h=f5f837c ]
Merge branch 'feature/SLIDER-832_Jenkins_failing_after_SLIDER-799_merge' into
develop
> AM to decide when to relax placement policy from specific host to rack/cluster
> ------------------------------------------------------------------------------
>
> Key: SLIDER-799
> URL: https://issues.apache.org/jira/browse/SLIDER-799
> Project: Slider
> Issue Type: Sub-task
> Components: appmaster
> Affects Versions: Slider 0.70
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Critical
> Fix For: Slider 0.80
>
> Original Estimate: 24h
> Time Spent: 24h
> Remaining Estimate: 8h
>
> If Slider asks for relaxed affinity, YARN only gives it ~1 second for free
> capacity to appear on a node before it falls back to non-local assignment.
> While this is OK for analytics throughput, it's suboptimal for placement of
> code such as HBase region servers.
> AM needs to take charge of the placement and decide for itself when to
> convert from placed to relaxed.
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