Were they all 'data-local' or 'rack-local' tasks? If so, it's expected. Arun
On Aug 23, 2011, at 3:51 PM, Sulabh Choudhury wrote: > Hi, > > So I just started using capacity scheduler for M/R jobs. I have 4 task > trackers each with 4 map/reduce slots. > Configured a queue so that it uses 25% (4 slots) of the available slots. I > was expecting that it would distribute the job and use slots from each of the > 4 tasktrackers but it actually uses all 4 slots from a single TT. > Is there a configuration I am missing or this is the expected behavior ? > >
