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https://issues.apache.org/jira/browse/MAPREDUCE-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Chen resolved MAPREDUCE-1756.
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Resolution: Invalid
Sorry, I made a mistake.
CapBasedLoadManager.canAssign{Map,Reduce}() will prevent this from happening.
The problem is not valid.
> FairScheduler may assign tasks over the TaskTracker limit
> ---------------------------------------------------------
>
> Key: MAPREDUCE-1756
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1756
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/fair-share
> Affects Versions: 0.22.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Fix For: 0.22.0
>
>
> FairScheduler may assign tasks over the TaskTracker limit.
> The over assigned task will wait on the TaskTracker in the state of
> UNASSIGNED causing a higher latency.
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