I am trying to get a software trace and I need to get the number of active threads as low as I can in order to inspect the "active" part of the workload
________________________________ From: Prashant Sharma <scrapco...@gmail.com> To: Wanda Hawk <wanda_haw...@yahoo.com> Cc: "user@spark.apache.org" <user@spark.apache.org> Sent: Tuesday, October 28, 2014 11:17 AM Subject: Re: Spark SQL reduce number of java threads What is the motivation behind this ? You can start with master as local[NO_OF_THREADS]. Reducing the threads at all other places can have unexpected results. Take a look at this. http://spark.apache.org/docs/latest/configuration.html. Prashant Sharma On Tue, Oct 28, 2014 at 2:08 PM, Wanda Hawk <wanda_haw...@yahoo.com.invalid> wrote: Hello > > >I am trying to reduce the number of java threads (about 80 on my system) to as >few as there can be. >What settings can be done in spark-1.1.0/conf/spark-env.sh ? (or other places >as well) >I am also using hadoop for storing data on hdfs > > >Thank you, >Wanda