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https://issues.apache.org/jira/browse/YARN-5077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334818#comment-15334818
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Hadoop QA commented on YARN-5077:
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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 4s {color}
| {color:red} YARN-5077 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 Patch URL |
https://issues.apache.org/jira/secure/attachment/12811228/YARN-5077.008.patch |
| JIRA Issue | YARN-5077 |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/12050/console |
| Powered by | Apache Yetus 0.3.0 http://yetus.apache.org |
This message was automatically generated.
> Fix FSLeafQueue#getFairShare() for queues with weight 0.0
> ---------------------------------------------------------
>
> Key: YARN-5077
> URL: https://issues.apache.org/jira/browse/YARN-5077
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Attachments: YARN-5077.001.patch, YARN-5077.002.patch,
> YARN-5077.003.patch, YARN-5077.004.patch, YARN-5077.005.patch,
> YARN-5077.006.patch, YARN-5077.007.patch, YARN-5077.008.patch
>
>
> 1) When a queue's weight is set to 0.0, FSLeafQueue#getFairShare() returns
> <memory:0, vCores:0>
> 2) When a queue's weight is nonzero, FSLeafQueue#getFairShare() returns
> <memory:16384, vCores:8>
> In case 1), that means no container ever gets allocated for an AM because
> from the viewpoint of the RM, there is never any headroom to allocate a
> container on that queue.
> For example, we have a pool with the following weights:
> - root.dev 0.0
> - root.product 1.0
> The root.dev is a best effort pool and should only get resources if
> root.product is not running. In our tests, with no jobs running under
> root.product, jobs started in root.dev queue stay stuck in ACCEPT phase and
> never start.
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