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From Jason Venner <jason.had...@gmail.com>
Subject Re: Question about mapred.child.java.opts
Date Tue, 15 Sep 2009 02:35:16 GMT
For streaming, you just need enough space to the run the child that forks
and handles the streaming mapper/reducer and enough space to handle sorting
the date with out the task getting stuck in GC hell.


On Fri, Sep 11, 2009 at 12:30 PM, Mayuran Yogarajah <
mayuran.yogarajah@casalemedia.com> wrote:

> Is there any sense in setting mapred.child.java.opts to a high value
> if all we're using is Hadoop streaming ? We've set it to 512MB but
> I don't know if it even matters..
>
> thanks
>



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