Zhijie Shen resolved YARN-2282.

    Resolution: Invalid

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To this question:

Which scheduler do you use? Would you please check you configuration? Make sure 
you're using DominantResourceCalculator instead of DefaultResourceCalculator. 
Otherwise, when normalizing a request, the vcore field will be reset to 1.

> Does hadoop 2.4 support resource allocation to container for cpu cores ?
> ------------------------------------------------------------------------
>                 Key: YARN-2282
>                 URL: https://issues.apache.org/jira/browse/YARN-2282
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Smita Deshpande
>              Labels: performance
> AppMasterStdout logs following statement 
> - Launching shell command on a new container., 
> containerId=container_1404840303795_0002_01_002572,  
> containerResourceMemory4096, containerResourceVirtualCores1, 
> containerTokenjava.nio.HeapByteBuffer[pos=0 lim=75 cap=75]
> But i have specified memory=4096 and cpu cores=2 as input to container, but 
> it is taking containerResourceVirtualCores = 1

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