Not sure why you are implying a contradiction when you say: "... distcp is useful _but_ you want to do 'it' in java..."
First of all distcp _is_ written in Java. You can call distcp or any other MR job from Java just fine. Cheers, Joep Sent from my iPhone On Dec 28, 2012, at 12:01 PM, burakkk <burak.isi...@gmail.com> wrote: > Hi, > I have two different hdfs cluster. I need to transfer files between these > environments. What's the fastest way to transfer files for that situation? > > I've researched about it. I found distcp command. It's useful but I want to > do in java so is there any way to do this? > > Is there any way to transfer files chunk by chunk from one hdfs cluster to > another one or is there any way to implement a process using chunks without > whole file? > > Thanks > Best Regards... > > -- > BURAK ISIKLI | http://burakisikli.wordpress.com >