Thanks for the fast reply, but I don't see how a custom record reader will
Consider again the k-means: the mappers need to stand-by until all the
reducers finish to calculate the new clusters' center. Only then, after the
reducers finish their work, the stand-by mappers get back to life and
perform their work.

On Sun, Aug 5, 2012 at 7:49 PM, Harsh J <[EMAIL PROTECTED]> wrote:
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