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https://issues.apache.org/jira/browse/YARN-3933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709572#comment-14709572
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Hadoop QA commented on YARN-3933:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | patch | 0m 1s | The patch file was not named
according to hadoop's naming conventions. Please see
https://wiki.apache.org/hadoop/HowToContribute for instructions. |
| {color:red}-1{color} | patch | 0m 0s | The patch command could not apply
the patch during dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12752004/patch.BUGFIX-JIRA-YARN-3933.txt
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| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / feaf034 |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/8896/console |
This message was automatically generated.
> Resources(both core and memory) are being negative
> --------------------------------------------------
>
> Key: YARN-3933
> URL: https://issues.apache.org/jira/browse/YARN-3933
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.5.2
> Reporter: Lavkesh Lahngir
> Assignee: Lavkesh Lahngir
> Labels: patch
> Attachments: patch.BUGFIX-JIRA-YARN-3933.txt
>
>
> In our cluster we are seeing available memory and cores being negative.
> Initial inspection:
> Scenario no. 1:
> In capacity scheduler the method allocateContainersToNode() checks if
> there are excess reservation of containers for an application, and they are
> no longer needed then it calls queue.completedContainer() which causes
> resources being negative. And they were never assigned in the first place.
> I am still looking through the code. Can somebody suggest how to simulate
> excess containers assignments ?
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