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From Doug Cutting <DCutt...@grandcentral.com>
Subject RE: RE: Query performance with DateFilter
Date Fri, 07 Dec 2001 18:34:06 GMT
> From: Scott Stanley [mailto:sastanley3@yahoo.com]
> 
> Thanks for the fix.  For a single query at a time, this does indeed
> solve the problem.  The query performance comes back up to 
> the level it
> was before (a change from 17,000ms to 800ms with the test query we are
> using).

Great!

> As you mentioned, however, performance does indeed 
> suffer when
> more than one query is being performed at a time.  With several 
> simultanious queries, the timings degrades back to around 17s.

Please find attached a fix that should also work for simulataneous queries.
If it works for you I will check it in.  Note that, in addition to changes
to a bunch of lucene.index files, this has a new version of
lucene.search.DateFilter.

Tell me how it goes...

Doug


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