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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: weird multifile problems
Date Fri, 06 Apr 2012 10:39:03 GMT
To enforce creation of CFS files, you have to set the CFS percentage to 100% (1.0) in the MergePolicy:
http://goo.gl/X9pF3, http://goo.gl/QFKGf
By default Lucene only created CFS files, if the segment size is larger than 10% of the whole
index.

Uwe

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Simon Willnauer [mailto:simon.willnauer@googlemail.com]
> Sent: Friday, April 06, 2012 11:23 AM
> To: java-user@lucene.apache.org
> Subject: Re: weird multifile problems
> 
> Hey, do you get multiple files per segment or multiple files per index?
> The compoundfile system writes a .cfs file (and a .cfe file in trunk) per
> segment. So if you are seeing multiple .cfs fiels Lucene is actually doing what
> you want. If there are files like .fdt/fdx or tii/tis then the segment is not using
> CFS. Yet, if you see multiple CFS files then you have an index with more than
> one segment. Those segments are written during indexing and merged
> together as the number of segments grows which is just fine.
> 
> hope that helps.
> 
> simon
> 
> On Fri, Apr 6, 2012 at 7:54 AM, Chengcheng Zhao <zhaocc@act.buaa.edu.cn>
> wrote:
> > Hi guys,
> > I am still learning Lucene, and I had a very weird problem yesterday
> > that no matter what I did, I always got multifiles not compound file.
> > By default, Lucene use compound file, but I just got this weird
> > problem, even if I used
> > setUseCompoundFile(true) explicitly... And my code is actually adapted
> > from the book Lucene In Action 2ed and the demo code in
> > lucene.apache.org... How can I fix this?
> >
> >
> >
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