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Posted to mapreduce-issues@hadoop.apache.org by "Arun C Murthy (Updated) (JIRA)" <ji...@apache.org> on 2011/10/15 06:30:11 UTC
[jira] [Updated] (MAPREDUCE-2788) Normalize requests in
FifoScheduler.allocate to prevent NPEs later
[ https://issues.apache.org/jira/browse/MAPREDUCE-2788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated MAPREDUCE-2788:
-------------------------------------
Priority: Major (was: Critical)
Summary: Normalize requests in FifoScheduler.allocate to prevent NPEs later (was: LeafQueue.assignContainer() can cause a crash if request.getCapability().getMemory() == 0)
Changing the title to reflect the existing bug.
> Normalize requests in FifoScheduler.allocate to prevent NPEs later
> ------------------------------------------------------------------
>
> 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, 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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