Re: how to run local[k] threads on a single core

2016-08-05 Thread sujeet jog
Thanks, Since i'm running in local mode, i plan to pin down the JVM to a CPU with taskset -cp , hopefully with this all the tasks should operate on the specified CPU cores.. Thanks, Sujeet On Thu, Aug 4, 2016 at 8:11 PM, Daniel Darabos < daniel.dara...@lynxanalytics.com> wrote: > You could

Re: how to run local[k] threads on a single core

2016-08-04 Thread Daniel Darabos
You could run the application in a Docker container constrained to one CPU with --cpuset-cpus ( https://docs.docker.com/engine/reference/run/#/cpuset-constraint). On Thu, Aug 4, 2016 at 8:51 AM, Sun Rui wrote: > I don’t think it possible as Spark does not support thread to

Re: how to run local[k] threads on a single core

2016-08-04 Thread Sun Rui
I don’t think it possible as Spark does not support thread to CPU affinity. > On Aug 4, 2016, at 14:27, sujeet jog wrote: > > Is there a way we can run multiple tasks concurrently on a single core in > local mode. > > for ex :- i have 5 partition ~ 5 tasks, and only a

how to run local[k] threads on a single core

2016-08-04 Thread sujeet jog
Is there a way we can run multiple tasks concurrently on a single core in local mode. for ex :- i have 5 partition ~ 5 tasks, and only a single core , i want these tasks to run concurrently, and specifiy them to use /run on a single core. The machine itself is say 4 core, but i want to utilize