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From "Varun Vasudev (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4344) NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
Date Mon, 23 Nov 2015 09:05:11 GMT

     [ https://issues.apache.org/jira/browse/YARN-4344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Vasudev updated YARN-4344:
--------------------------------
    Attachment: YARN-4344-branch-2.6.001.patch

Uploaded a version for branch-2.6

> NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-4344
>                 URL: https://issues.apache.org/jira/browse/YARN-4344
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>            Priority: Critical
>         Attachments: YARN-4344-branch-2.6.001.patch, YARN-4344.001.patch, YARN-4344.002.patch
>
>
> After YARN-3802, if an NM re-connects to the RM with changed capabilities, there can
arise situations where the overall cluster resource calculation for the cluster will be incorrect
leading to inconsistencies in scheduling.



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