Please take a look at http://www.infoq.com/articles/tuning-tips-G1-GC
Cheers On Sat, Nov 14, 2015 at 10:03 PM, Renu Yadav <yren...@gmail.com> wrote: > I have tried with G1 GC .Please if anyone can provide their setting for GC. > At code level I am : > 1.reading orc table usind dataframe > 2.map df to rdd of my case class > 3. changed that rdd to paired rdd > 4.Applied combineByKey > 5. saving the result to orc file > > Please suggest > > Regards, > Renu Yadav > > 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 >> > >