On Thu, Aug 27, 2009 at 5:22 PM, Rakhi Khatwani <[email protected]> wrote:
> > but i want my reduce to run , tht is if 25% map is done, thn i want the > reduce 2 save that much data. even if the 2nd map fails, i dont loose data. > any pointers? > Regards, > Raakhi > What you're asking for will break the semantics of reduce(). Reduce can only proceed after receiving all the map-outputs. -- Harish Mallipeddi http://blog.poundbang.in
