Pralabh Kumar 2013-04-29, 08:50
-Re: Relations ship between HDFS_BYTE_READ and Map input bytes
They can be different if maps read HDFS files directly instead of or on top of getting key-val pairs via the map interface.
HDFS_BYTES_READ will always be greater than or equal to map-input-bytes.
On Apr 29, 2013, at 1:50 AM, Pralabh Kumar wrote:
> What's the relationship between HDFS_BYTE_READ and Map input bytes counter . Why can they be different for particular MR job.
> Thanks and Regards
> Pralabh Kumar
YouPeng Yang 2013-04-30, 10:33