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From Nadav Samet <>
Subject Finding how many items correspond to a key in a view
Date Thu, 04 Jun 2009 05:54:19 GMT

Given a key I'd like to find how many items in a permanent view correspond
to that key (without retrieving the items themselves, because there can be
too many).

I currently achieve it by having another mapreduce just to compute this
count, but it sounds like there must be a better way.

Sincerely yours,

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