-Re: Question related to Number of Mapper
Michael Segel 2012-11-07, 16:31
0 Custer didn't run. He got surrounded and then massacred. :-P (See Custer's last stand at Little Big Horn)
Ok... plain text files 100 files 2 blocks each would by default attempt to schedule 200 mappers.
Is this one of those online Cert questions?
On Nov 7, 2012, at 10:20 AM, Ramasubramanian Narayanan <[EMAIL PROTECTED]> wrote:
> If a Custer’s HDFS block size is 64MB. You have a directory containing 100 plain text files, each of which Is 100MB in size. The InputFormat for your job is TextInputFormat. How many Mappers will run?