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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4979) FSAppAttempt demand calculation considers demands at multiple locality levels different
Date Mon, 23 May 2016 21:30:12 GMT

     [ https://issues.apache.org/jira/browse/YARN-4979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated YARN-4979:
-----------------------------------
    Summary: FSAppAttempt demand calculation considers demands at multiple locality levels
different  (was: FSAppAttempt adds duplicate ResourceRequest to demand in updateDemand.)

> FSAppAttempt demand calculation considers demands at multiple locality levels different
> ---------------------------------------------------------------------------------------
>
>                 Key: YARN-4979
>                 URL: https://issues.apache.org/jira/browse/YARN-4979
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.8.0, 2.7.2
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-4979.001.patch
>
>
> FSAppAttempt adds duplicate ResourceRequest to demand in updateDemand. We should only
count ResourceRequest for ResourceRequest.ANY when calculate demand.
> Because {{hasContainerForNode}} will return false if no container request for ResourceRequest.ANY
and both {{allocateNodeLocal}} and {{allocateRackLocal}} will also decrease the number of
containers for ResourceRequest.ANY.
> This issue may cause current memory demand overflow(integer) because duplicate requests
can be on multiple nodes.



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