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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Lucene and Javolution: A good mix ?
Date Thu, 05 Apr 2007 19:00:50 GMT
What Mike said.  Without seeing the Javalutionized Lucene in action we won't get very far.
jean-Philippe, are you interested in making the changes to Lucene and showing the performance
improvement?
Note that you can use the super-nice and easy to use contrib/benchmark to compare the "vanilla
Lucene" and the "Javalutionized Lucene".


Otis
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Simpy -- http://www.simpy.com/  -  Tag  -  Search  -  Share

----- Original Message ----
From: Mike Klaas <mike.klaas@gmail.com>
To: java-dev@lucene.apache.org
Sent: Thursday, April 5, 2007 1:58:38 PM
Subject: Re: Lucene and Javolution: A good mix ?

On 4/4/07, Jean-Philippe Robichaud <Jean-Philippe.Robichaud@nuance.com> wrote:
> I understand your concerns!
>
> I was a little skeptical at the beginning.  But even with the 1.5 jvm,
> the improvements still holds.
>
> Lucene creates a lots of "garbage" (strings, tokens, ...) either at
> index time or query time. While the new garbage collector strategies did
> seriously improve since java 1.4, the gains are still there as the
> object "creation" is also a cost that javolution easily saves us from.

I think the best approach at convincing people would be to produce a
patch that implements some of the suggested changes, and benchmark it.
 As it stands, the positives are all hypothetical and the negatives
rather tangible.

-MIke

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