Just use multiple slots per each map. See: http://hadoop.apache.org/common/docs/stable/capacity_scheduler.html#Resource+based+scheduling
Arun On Dec 20, 2011, at 3:46 AM, Nitin Khandelwal wrote: > Hey, > > We use capacity scheduler and divide our map slots among queues. For a > particular kind of job, we want to schedule at most one task per task > tracker. How does one do this? We are using Hadoop 0.20.205.0. > > Thanks, > > -- > Nitin Khandelwal > >
