Please have a look at http://spark.apache.org/docs/1.4.0/tuning.html You may also want to use the latest build of JDK 7/8 and use G1GC instead. I saw considerable reductions in GC time just by doing that. Rest of the tuning parameters are better explained in the link above.
Best Regards, Gaurav Kumar Big Data • Data Science • Photography • Music +91 9953294125 On Fri, Nov 13, 2015 at 8:01 PM, Renu Yadav <yren...@gmail.com> wrote: > am using spark 1.4 and my application is taking much time in GC around > 60-70% of time for each task > > I am using parallel GC. > please help somebody as soon as possible. > > Thanks, > Renu >
