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From Peter Schüller <sc...@spotify.com>
Subject Re: bloom filter
Date Fri, 07 May 2010 10:55:36 GMT
> what is the benefit of creating bloom filter when cassandra writes data, how
> does it helps ?

It allows Cassandra to answer requests for non-existent keys without
going to disk, except in cases where the bloom filter gives a false
positive.

See:

http://spyced.blogspot.com/2009/01/all-you-ever-wanted-to-know-about.html

-- 
/ Peter Schuller aka scode

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