-Re: How to Set No of Mappers in program
unmesha sreeveni 2013-11-13, 05:00
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