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MapReduce, mail # dev - JVM vs container memory configs


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Re: JVM vs container memory configs
Harsh J 2013-05-05, 18:42
Radim,

Those are already present - the discussion is about the heap vs.
requested memory resource.

On Sun, May 5, 2013 at 3:22 AM, Radim Kolar <[EMAIL PROTECTED]> wrote:
>
> While looking into MAPREDUCE-5207 (adding defaults for
> mapreduce.{map|reduce}.memory.mb), I was wondering how much headroom
> should be left on top of mapred.child.java.opts (or other similar JVM opts)
> for
> the container memory itself?
>
> I would like to have separated java option settings for map/reduce parts.
> Something like
> mapred.map.child.java.opts mapred.reduce.child.java.opts.
>

--
Harsh J