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

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