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From "Arun C Murthy (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2788) LeafQueue.assignContainer() can cause a crash if request.getCapability().getMemory() == 0
Date Fri, 14 Oct 2011 23:08:11 GMT

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

Arun C Murthy updated MAPREDUCE-2788:
-------------------------------------

    Status: Open  (was: Patch Available)

Ahmed - not sure when this happened, but looks like CS.allocate already normalizes the incoming
request.

Thus, we might only need to fix FifoScheduler.normalizeRequest?

We should pull out normalizeRequest  to SchedulerUtils and use it from both places?

                
> 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
>            Priority: Critical
>         Attachments: MAPREDUCE-2788.patch, MAPREDUCE-2788_rev2.patch, MAPREDUCE-2788_rev3.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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