there's a scheduler in contrib/ that does pre-emption. look here
On 28 June 2013 22:13, Sreejith Ramakrishnan <[EMAIL PROTECTED]>wrote:
> I'm trying to implement a scheduler (EDF). The scheduler should be able to
> kill or free-up a running map slot so that it can be assigned as a map slot
> to another job.
> I did some looking around and found a kill() method in
> org.apache.hadoop.mapred.JobInProgress. But, this kills the entire job. I
> want the job to still be working after a map slot has been removed from it.
> Can you guys tell me the right method/class to use?