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https://issues.apache.org/jira/browse/YARN-9671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17080900#comment-17080900
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Hadoop QA commented on YARN-9671:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 7s{color}
| {color:red} YARN-9671 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-9671 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12975085/YARN-9671.001.patch |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/25876/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Improve Locality Scheduling when cluster is busy
> ------------------------------------------------
>
> Key: YARN-9671
> URL: https://issues.apache.org/jira/browse/YARN-9671
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.10.0, 3.3.0
> Reporter: Muhammad Samir Khan
> Assignee: Muhammad Samir Khan
> Priority: Major
> Attachments: YARN-9671.001.patch
>
>
> When a cluster is very busy, scheduling opportunities are few and far
> between. Scheduling opportunities are how an application knows when to give
> up looking for decent locality.
> It doesn't make sense to work hard waiting for locality when the odds of it
> coming are very small and it may actually take a very long time to actually
> give up.
> This causes the priority of queues to be violated which is the last thing we
> want to do when the cluster is full.
> Add a mode to disable skipping locality when cluster is busy.
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