-Re: Get Current Block or Split ID, and using it, the Block Path
Mohit Anchlia 2012-04-08, 16:36
I think if you called getInputFormat on JobConf and then called getSplits
you would atleast get the locations.
On Sun, Apr 8, 2012 at 9:16 AM, Deepak Nettem <[EMAIL PROTECTED]>wrote:
> Is it possible to get the 'id' of the currently executing split or block
> from within the mapper? Using this block Id / split id, I want to be able
> to query the namenode to get the names of hosts having that block / spllit,
> and the actual path to the data.
> I need this for some analytics that I'm doing. Is there a client API that
> allows doing this? If not, what's the best way to do this?
> Deepak Nettem