Hi Praveen,
On Mon, Aug 17, 2015 at 12:34 PM, praveen S <mylogi...@gmail.com> wrote:
> What does this mean in .setMaster("local[2]")
>
Local mode (executor in the same JVM) with 2 executor threads.
> Is this applicable only for standalone Mode?
>
It is not applicable for standalone mode, only for local.
> Can I do this in a cluster setup, eg:
> . setMaster("<hostname:port>[2]")..
>
No. It's faster to try than to ask a mailing list, actually. Also it's
documented at
http://spark.apache.org/docs/latest/submitting-applications.html#master-urls
.
> Is it number of threads per worker node?
>
You can control the number of total threads with
spark-submit's --total-executor-cores parameter, if that's what you're
looking for.
