Yes. What I meant was a low number of slots on these TTs alone (those
that are co-located with RS, if you want to do that) by having a
limited maximum of map and reduce slots configured on it specially. Or
if you use MR2 over YARN, you must limit the NodeManager's maximum
memory usage.

On Sat, Aug 25, 2012 at 10:49 PM, Adrien Mogenet

Harsh J