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 To: hdfs-dev@hadoop.apache.org; hdfs-user Subject: blockID generation
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.
