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MapReduce >> mail # user >> Different ways of configuring the memory to the TaskTracker child process (Mapper and Reduce Tasks)


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Re: Different ways of configuring the memory to the TaskTracker child process (Mapper and Reduce Tasks)
Hi,

Can someone please clarify me on the below query?

Thanks,
Praveen

On Sun, Nov 6, 2011 at 8:47 PM, Praveen Sripati <[EMAIL PROTECTED]>wrote:

>
> Hi,
>
> What is the difference between setting the mapred.job.map.memory.mb and
> mapred.child.java.opts using -Xmx to control the maximum memory used by a
> Mapper and Reduce task? Which one takes precedence?
>
> Thanks,
> Praveen
>