Re: blockID generation

2011-11-29 Thread Harsh J
Kartheek, (- hdfs-user (bcc'd)) Its simple enough to trace back a FileSystem - DFSClient - NameNode call in code, for the operation of creating a file (and thereafter a block). What you are looking for, specifically, is in FSNamesystem#allocateBlock(…). On 29-Nov-2011, at 6:07 PM, kartheek

RE: blockID generation

2011-11-29 Thread Uma Maheswara Rao G
you can find the code directly in FSNameSystem#allocateBlock It is just a random long number and will ensure that blockid is not created already by NN. Regards, Uma From: kartheek muthyala [kartheek0...@gmail.com] Sent: Tuesday, November 29, 2011 6:07 PM