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From Yonik Seeley <ysee...@gmail.com>
Subject Re: Optimize vs non optimized index
Date Wed, 16 Nov 2005 22:27:47 GMT
That jar may be out of date...
I would grab the source and do a build.  It's easy if you have a
command line svn client and ant installed.

svn checkout  http://svn.apache.org/repos/asf/lucene/java/trunk .
ant

-Yonik
Now hiring -- http://forms.cnet.com/slink?231706



On 11/16/05, Aigner, Thomas <TAigner@wescodist.com> wrote:
> Thanks for the advice Yonik.. I do have deletions in my 1.4.3 index. I
> downloaded the lucene-1.9-rc1-dev.jar file to give it a go and after
> upgrading a few of the methods from the deprecated methods, I keep
> getting this error: class "org.apache.lucene.document.Field$Store"'s
> signer information does not match signer information of other classes in
> the same package
>
> If I can get this to go, I will retest.
> Tom
>
> -----Original Message-----
> From: Yonik Seeley [mailto:yseeley@gmail.com]
> Sent: Wednesday, November 16, 2005 2:37 PM
> To: java-user@lucene.apache.org
> Subject: Re: Optimize vs non optimized index
>
> Do you have any deletions in the non-optimized version of the index?
> If so, a bug was fixed recently that made for some very slow queries:
> http://issues.apache.org/jira/browse/LUCENE-454
>
> You could also try a smaller mergeFactor, which would slow indexing,
> but decrease the number of segments, and hence speed searching.
>
> -Yonik
> Now hiring -- http://forms.cnet.com/slink?231706
>
> On 11/16/05, Aigner, Thomas <TAigner@wescodist.com> wrote:
> > Howdy all, have a quick question for you...
> >
> > I am seeing quite a difference between optimized index and one that is
> > not optimized.  I have read a few papers that say that it shouldn't
> > matter, but I am seeing 7X speed or better when the index is
> optimized.
> > Is it possible that I am creating the original index incorrectly?
> >
> > The reason why I am asking it due to the space it takes to optimize an
> > index.  I have an index that takes up about 2.5G, but when I optimize
> > it, it will take an additional 5G of space to do this (so 7.5G to
> > optimize it).  I was wondering if perhaps if this is the norm or not.
> >
> > Thanks ahead of time,
> > Tom

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