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From Justin <cry...@yahoo.com>
Subject Re: File descriptor leak in ParallelReader.reopen()
Date Fri, 05 Mar 2010 00:29:25 GMT
We must have been getting lucky.  Thanks Mark and Uwe!




----- Original Message ----
From: Uwe Schindler <uwe@thetaphi.de>
To: java-user@lucene.apache.org
Sent: Thu, March 4, 2010 6:20:56 PM
Subject: RE: File descriptor leak in ParallelReader.reopen()

That was always the same with reopen(). Its documented in the javadocs, with a short example:
http://lucene.apache.org/java/3_0_1/api/all/org/apache/lucene/index/IndexReader.html#reopen()

also in 2.4.1:
http://lucene.apache.org/java/2_4_1/api/org/apache/lucene/index/IndexReader.html#reopen()

Uwe

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


> -----Original Message-----
> From: Justin [mailto:crynax@yahoo.com]
> Sent: Friday, March 05, 2010 1:17 AM
> To: java-user@lucene.apache.org
> Subject: Re: File descriptor leak in ParallelReader.reopen()
> 
> Has this changed since 2.4.1?  Our application didn't explicitly close
> with 2.4.1 and that combination never had this problem.
> 
> 
> 
> ----- Original Message ----
> From: Mark Miller <markrmiller@gmail.com>
> To: java-user@lucene.apache.org
> Sent: Thu, March 4, 2010 6:00:02 PM
> Subject: Re: File descriptor leak in ParallelReader.reopen()
> 
> On 03/04/2010 06:52 PM, Justin wrote:
> > Hi Mike and others,
> >
> > I have a test case for you (attached) that exhibits a file descriptor
> leak in ParallelReader.reopen().  I listed the OS, JDK, and snapshot of
> Lucene that I'm using in the source code.
> >
> > A loop adds just over 4000 documents to an index, reopening the index
> after each, before my system hits an already increased file descriptor
> limit of 8192.  I've also got a thread that reports the number of
> documents in the index and warms a searcher using the reader.  To
> simulate continued use by my application the searchers are not
> discarded.
> >
> > Let me know if you need help reproducing the problem or can help
> identify it.
> >
> > Thanks!
> > Justin
> >
> >
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: java-user-help@lucene.apache.org
> Doesn't look like you are closing your old reader - reopen will return
> a
> new one when there are changes to the index and the old one must be
> closed.
> 
> --
> - Mark
> 
> http://www.lucidimagination.com
> 
> 
> 
> 
> ---------------------------------------------------------------------
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