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From Kevin Burton <>
Subject Re: Fastest way to fetch N documents with unique keys within large numbers of indexes..
Date Tue, 07 Jun 2005 22:34:01 GMT
Chris Hostetter wrote:

>: was computing the score.  This was a big performance gain.  About 2x and
>: since its the slowest part of our app it was a nice one. :)
>: We were using a TermQuery though.
>I believe that one search on one BooleanQuery containing 20
>TermQueries should be faster then 20 searches on 20 TermQueries.
Actually.. it wasn't... :-/

It was about 4x slower.




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