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 muthyala wrote: > Hi all, > I am interested in exploring how the blockID is generated in hadoop world by > the namenode. Any pointers to the class/method which takes care of this > generation? > Thanks in advance, > ~Kartheek.