Jay Vyas 2012-12-07, 16:28
-Re: hadoop task assigner
Vinod Kumar Vavilapalli 2012-12-07, 21:06
In 1.0 line, you should look at JobTracker side, specifically JobInProgress.java.
On Dec 7, 2012, at 8:28 AM, Jay Vyas wrote:
> Hi : Where are the hooks in hadoop for the implementation of locality? I assume that Mappers are blind to locality - they read directly via their Context objects, whatever splits they are given.
> But the MapperContext is created by some kind of "smart", locality aware Task assignment class.
> What is this class and where is it? In particular, im interested in seeing how to implement it for different InputFormat mechanisms
> Jay Vyas