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From: "Chris Salem" <chris@mainsequence.net>
To: java-user@lucene.apache.org
CC: 
Subject: Re: lucene 2.4 sorting slowness
Date: Thu, 18 Dec 2008 16:33:17 -0000
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that makes it much faster (<100ms after the first run). thanks alot.
also, the index will be updated oftenly throughout the day, will keeping the indexreader open recognize updates to the index?
Sincerely,
Chris Salem 
Development Team 
Main Sequence Technologies, Inc.
PCRecruiter.net - PCRecruiter Support
chris@mainsequence.net
P: 440.946.5214 ext 5458 
F: 440.856.0312

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----- Original Message ----- 
To: java-user@lucene.apache.org
From: Michael McCandless <lucene@mikemccandless.com>
Sent: 12/17/2008 4:46:18 PM
Subject: Re: lucene 2.4 sorting slowness


Are you warming the searcher first, and then testing the sort 
performance? (The first query is slow because it populates the 
FieldCache, internally, which is then reused for subsequent queries as 
long as you don't close that reader/searcher).

Mike

Chris Salem wrote:

> Hello,
> I have an index with ~4000000 documents and some 200 fields. 
> Searching without sorting takes around 300 - 500 ms, when sorting on 
> dates (formated as 'yyyy-mm-dd') searching time takes on average 15 
> seconds. Here's the code that does the search:
> hits = searcher.search(query, new Sort(new 
> SortField("slast_modified", false)));
> and here's how that field is being indexed:
> doc.add(new Field("slast_modified", "2008-12-12", Field.Store.NO, 
> Field.Index.NOT_ANALYZED));
> Am I doing something wrong? Is there a bug in lucene and if so is 
> there a way to work around it so that search speed is increased to 
> something reasonable?
> Thanks
> Sincerely,
> Chris Salem
> Development Team
> Main Sequence Technologies, Inc.
> PCRecruiter.net - PCRecruiter Support
> chris@mainsequence.net
> P: 440.946.5214 ext 5458
> F: 440.856.0312
>
> This email and any files transmitted with it may contain 
> confidential information intended solely for the use of the 
> individual or entity to whom they are addressed. If you have 
> received this email in error please notify the sender. Please note 
> that any views or opinions presented in this email are solely those 
> of the author and do not necessarily represent those of the company. 
> Finally, the recipient should check this email and any attachments 
> for the presence of viruses. The company accepts no liability for 
> any damage caused by any virus transmitted by this email. Main 
> Sequence Technologies, Inc. 4420 Sherwin Rd. Willoughby OH 44094 www.pcrecruiter.net
>
> (The following links were included with this email:)
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> mailto:chris@mainsequence.net
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