For my 5000 recorded file .. How many mappers will be running? And is there a way to know how my files are splited?
On Wed, Nov 13, 2013 at 9:51 AM, unmesha sreeveni <[email protected]>wrote: > How to set the no of mappers? > > I am running a job with input file of 5000 records.but actually it is a > small file for hadoop..but i need to know whether it can be exceuted faster. > > when i tried to run my job it took nearly 30 min to complete my job... > why so? > > If i set my mappers to a lower count whether any reflection happens to my > job performance? > > -- > *Thanks & Regards* > > Unmesha Sreeveni U.B > > *Junior Developer* > > > -- *Thanks & Regards* Unmesha Sreeveni U.B *Junior Developer*
