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https://issues.apache.org/jira/browse/YARN-7461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17080865#comment-17080865
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Hadoop QA commented on YARN-7461:
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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 8s{color}
| {color:red} YARN-7461 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-7461 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12914845/YARN-7461.004.patch |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/25847/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> DominantResourceCalculator#ratio calculation problem when right resource
> contains zero value
> --------------------------------------------------------------------------------------------
>
> Key: YARN-7461
> URL: https://issues.apache.org/jira/browse/YARN-7461
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha4
> Reporter: Tao Yang
> Assignee: Tao Yang
> Priority: Minor
> Attachments: YARN-7461.001.patch, YARN-7461.002.patch,
> YARN-7461.003.patch, YARN-7461.004.patch
>
>
> Currently DominantResourceCalculator#ratio may return wrong result when right
> resource contains zero value. For example, there are three resource types
> such as <memory-mb, vcores, vssd>, leftResource=<5, 5, 0> and
> rightResource=<10, 10, 0>, we expect the result of
> DominantResourceCalculator#ratio(leftResource, rightResource) is 0.5 but
> currently is NaN.
> There should be a verification before divide calculation to ensure that
> dividend is not zero.
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