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From Daniel Naber <lucenelist2...@danielnaber.de>
Subject Re: performance differences between 1.4.3 and 1.9.1
Date Wed, 26 Apr 2006 20:04:38 GMT
On Mittwoch 26 April 2006 01:22, RONALD MANTAY wrote:

>   However when searching muliple indexes with multiSearcher and with a
> FuzzyQuery with a prefixLength of 1. The search against 3.7m documents
> spread over 23 indexes (due to the natural grouping of the data) the
> time changed from 800ms to 4500 ms.

MultiSearcher in Lucene 1.4 had a broken ranking implementation. This has 
been fixed in Lucene 1.9, but this might have bad effects on performance. 
23 indexes is quite much, maybe you can speed up things greatly be using a 
smaller number of indexes.

Regards
 Daniel

-- 
http://www.danielnaber.de

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