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https://issues.apache.org/jira/browse/YARN-8292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995871#comment-16995871
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Hadoop QA commented on YARN-8292:
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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 18s{color}
| {color:red} YARN-8292 does not apply to branch-2. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-8292 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12988826/YARN-8292.branch-2.011.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/25291/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Fix the dominant resource preemption cannot happen when some of the resource
> vector becomes negative
> ----------------------------------------------------------------------------------------------------
>
> Key: YARN-8292
> URL: https://issues.apache.org/jira/browse/YARN-8292
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Reporter: Sumana Sathish
> Assignee: Wangda Tan
> Priority: Critical
> Fix For: 3.2.0, 3.1.1
>
> Attachments: YARN-8292.001.patch, YARN-8292.002.patch,
> YARN-8292.003.patch, YARN-8292.004.patch, YARN-8292.005.patch,
> YARN-8292.006.patch, YARN-8292.007.patch, YARN-8292.008.patch,
> YARN-8292.009.patch, YARN-8292.branch-2.009.patch,
> YARN-8292.branch-2.010.patch, YARN-8292.branch-2.011.patch
>
>
> This is an example of the problem:
>
> {code}
> // guaranteed, max, used, pending
> "root(=[30:18:6 30:18:6 12:12:6 1:1:1]);" + //root
> "-a(=[10:6:2 10:6:2 6:6:3 0:0:0]);" + // a
> "-b(=[10:6:2 10:6:2 6:6:3 0:0:0]);" + // b
> "-c(=[10:6:2 10:6:2 0:0:0 1:1:1])"; // c
> {code}
> There're 3 resource types. Total resource of the cluster is 30:18:6
> For both of a/b, there're 3 containers running, each of container is 2:2:1.
> Queue c uses 0 resource, and have 1:1:1 pending resource.
> Under existing logic, preemption cannot happen.
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