Shuffled bytes go to reducers not mappers and the inbuilt counter for that is "Reduce Shuffle Bytes".
I am not sure how you can implement user defined java counter here because this phase is in between map and reduce. Thanks and Regards, Rishi Yadav (o) 408.988.2000x113 || (f) 408.716.2726 InfoObjects Inc || http://www.infoobjects.com *(Big Data Solutions)* *INC 500 Fastest growing company in 2012 || 2011* *Best Place to work in Bay Area 2012 - *SF Business Times and the Silicon Valley / San Jose Business Journal 2041 Mission College Boulevard, #280 || Santa Clara, CA 95054 On Tue, Dec 25, 2012 at 4:33 AM, Eduard Skaley <[email protected]> wrote: > Hello guys, > > I need a counter for shuffled bytes to the mappers. > Is there existing one or should I define one myself ? > How can I implement such a counter? > > Thank you and happy Christmas time, > Eduard >
