Hi Anurag, To add on, you can also change the replication of exiting files by hadoop fs -setrep
http://hadoop.apache.org/common/docs/r0.20.0/hdfs_shell.html#setrep On Tue, Jun 26, 2012 at 7:42 PM, Bejoy KS <bejoy.had...@gmail.com> wrote: > Hi Anurag, > > The easiest option would be , in your map reduce job set the dfs.block.size > to 128 mb > > ------Original Message------ > From: Anurag Tangri > To: hdfs-user@hadoop.apache.org > To: common-u...@hadoop.apache.org > ReplyTo: common-u...@hadoop.apache.org > Subject: change hdfs block size for file existing on HDFS > Sent: Jun 26, 2012 11:07 > > Hi, > We have a situation where all files that we have are 64 MB block size. > > > I want to change these files (output of a map job mainly) to 128 MB blocks. > > What would be good way to do this migration from 64 mb to 128 mb block > files ? > > Thanks, > Anurag Tangri > > > > Regards > Bejoy KS > > Sent from handheld, please excuse typos.
