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From "Ahmed Radwan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2788) LeafQueue.assignContainer() can cause a crash if request.getCapability().getMemory() == 0
Date Tue, 09 Aug 2011 00:14:30 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ahmed Radwan updated MAPREDUCE-2788:
------------------------------------

    Attachment: MAPREDUCE-2788.patch

The attached patch avoids the described crash and returns Resources.none() in case memory==0.

> LeafQueue.assignContainer() can cause a crash if request.getCapability().getMemory()
== 0
> -----------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2788
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2788
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>         Attachments: MAPREDUCE-2788.patch
>
>
> The assignContainer() method in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue
can cause the scheduler to crash if the ResourseRequest capability memory == 0 (divide by
zero).

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