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https://issues.apache.org/jira/browse/YARN-2534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14130519#comment-14130519
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Karthik Kambatla commented on YARN-2534:
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Pretty straight-forward fix. +1.
> FairScheduler: Potential integer overflow calculating totalMaxShare
> -------------------------------------------------------------------
>
> Key: YARN-2534
> URL: https://issues.apache.org/jira/browse/YARN-2534
> Project: Hadoop YARN
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 2.5.0
> Reporter: zhihai xu
> Assignee: zhihai xu
> Attachments: YARN-2534.000.patch
>
>
> FairScheduler: totalMaxShare is not calculated correctly in
> computeSharesInternal for some cases.
> If the sum of MAX share of all Schedulables is more than Integer.MAX_VALUE
> ,but each individual MAX share is not equal to Integer.MAX_VALUE. then
> totalMaxShare will be a negative value, which will cause all fairShare are
> wrongly calculated.
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