Hi Mithila,
I assume you're referring to fair scheduler preemption. In the preemption
scenario, tasks are completely killed, not paused. It's not like a
preemptive scheduler in your OS where things are context switched. This is
why the preemption is not enabled by default and has tuning
Hi Todd
So does this mean that when two jobs are assigned to a pool, where one job
has 1 map task and 1 reduce task, whereas the other has 5 map and 5 reduce
tasks, how will the switch between these jobs take place?
Lets say the scheduler starts with the bigger job, runs 1 map task, when it
On Thu, Aug 13, 2009 at 11:32 AM, Mithila Nagendra mnage...@asu.edu wrote:
Hi Todd
So does this mean that when two jobs are assigned to a pool, where one job
has 1 map task and 1 reduce task, whereas the other has 5 map and 5 reduce
tasks, how will the switch between these jobs take place?
This helps a lot! Thank you Todd.
Best Regards
Mithila
On Thu, Aug 13, 2009 at 11:40 AM, Todd Lipcon t...@cloudera.com wrote:
On Thu, Aug 13, 2009 at 11:32 AM, Mithila Nagendra mnage...@asu.edu
wrote:
Hi Todd
So does this mean that when two jobs are assigned to a pool, where one
job
