How to ignore empty file comming out from hive map side join

2013-09-13 Thread samir das mohapatra
Dear Hive/Hadoop Developer Just I was runing hive mapside join , along with output data I colud see some empty file in map stage, Why it is ? and how to ignore this file . Regards, samir.

Re: How to ignore empty file comming out from hive map side join

2013-09-13 Thread Rahul Bhattacharjee
See if this makes sense . You mean in the output directory there are some empty files as well. Those might have come from maps which didn't emit any pair. Not sure if there is anything like lazy output formater which will not create the files till its required. Rahul On Fri, Sep 13, 2013 at 5:1