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 <h...@filez.com> 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