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https://issues.apache.org/jira/browse/YARN-721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13665942#comment-13665942
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PengZhang commented on YARN-721:
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Yes. If security is not enabled, authorizeRequest() will do nothing, and this
bug will not be triggered.
> ContainerManagerImpl failed to authorizeRequest
> -----------------------------------------------
>
> Key: YARN-721
> URL: https://issues.apache.org/jira/browse/YARN-721
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.0.3-alpha
> Reporter: PengZhang
> Attachments: YARN-721.patch
>
>
> When security is enabled, resource check will be failed. AM master cannot be
> launched.
> It reports like "Expected resource <memory:1800, vCores:1> but found
> <memory:1536, vCores:1>"
> I tracked this problem, and found it's imported in YARN-2. In
> RMAppAttemptImpl.ScheduleTransition, after allocate(), scheduler normalized
> Resource and created a new Resource object. Resource objects in scheduler and
> RMAppAttemptImp are used for schedule and launch separately. The difference
> value met in ContainerManagerImpl, and caused this problem.
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