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From robert engels <reng...@ix.netcom.com>
Subject Re: [jira] Updated: (LUCENE-693) ConjunctionScorer - more tuneup
Date Wed, 21 Nov 2007 07:38:49 GMT
Thanks!

On Nov 21, 2007, at 1:35 AM, Michael Busch wrote:

> robert engels wrote:
>>
>> We are still using Lucene 1.9.1+, and I am wondering if there has  
>> been
>> any improvements in searching on AND clauses when some of the  
>> terms are
>> very infrequent...
>>
>
> multi-level skipping should help when an AND query has frequent and
> infrequent terms. See LUCENE-866 for some performance numbers.
>
> -Michael
>
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