Thanks you all for the reply.
~Kartheek
On Tue, Nov 29, 2011 at 6:30 PM, Uma Maheswara Rao G
wrote:
> 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
>
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
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 m