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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: RE: ParallelMultisearcher
Date Thu, 17 Mar 2011 18:38:36 GMT
Hi Ganesh,

this method is also in 2.9.1, it is just inherited from the superclass! You
have to also look at the complete javadocs. Not every method that needs to
be called must be already implemented in the used class. For PMS in 2.9 it's
just not fatal to not close it, but you should call it:
http://lucene.apache.org/java/2_9_1/api/core/org/apache/lucene/search/MultiS
earcher.html#close() 

Uwe

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


> -----Original Message-----
> From: Ganesh [mailto:emailgane@yahoo.co.in]
> Sent: Thursday, March 17, 2011 7:09 PM
> To: java-user@lucene.apache.org
> Subject: Re: RE: ParallelMultisearcher
> 
> There is no ParallelMultiSearcher.close() in 2.9.1 and its been added in
3.0.
> Thanks for pointing out. I am not aware of.
> 
> Regards
> Ganesh
> 
> ----- Original Message -----
> From: "Uwe Schindler" <uwe@thetaphi.de>
> To: <java-user@lucene.apache.org>
> Sent: Thursday, March 17, 2011 11:27 PM
> Subject: [Bulk] RE: ParallelMultisearcher
> 
> 
> > Hi Ganesh, It's definitely in 3.0.3:
> >
> >  @Override
> >  public void close() throws IOException {
> >    executor.shutdown();
> >    super.close();
> >  }
> >
> > This code is in the downloaded .src.zip file of Apache Lucene 3.0.3. Are
you
> > sure that you call close() on the ParallelMultiSearcher (e.g. when you
are
> > done with it or reopen your indexes)? In contrast to Lucene 2.9, PMS
uses
> > Java 5's Executors to manage thread pools of workers. The threads are
only
> > shutdown on ParallelMultiSearcher.close().
> >
> > The entry is missing in Changes.txt, it somehow was merged with the
other
> > PMS issue there, that was my fault, sorry (I am the release manager of
2.9
> > and 3.0).
> >
> > -----
> > Uwe Schindler
> > H.-H.-Meier-Allee 63, D-28213 Bremen
> > http://www.thetaphi.de
> > eMail: uwe@thetaphi.de
> >
> >
> >> -----Original Message-----
> >> From: Ganesh [mailto:emailgane@yahoo.co.in]
> >> Sent: Thursday, March 17, 2011 6:24 PM
> >> To: java-user@lucene.apache.org
> >> Subject: Re: ParallelMultisearcher
> >>
> >> I agree but the chang logs of 3.0.3 didn't mention about that. I tested
> > and
> >> found that the same problem exists with 3.0.3. I am bit confused.
> >> http://lucene.apache.org/java/3_0_3/changes/Changes.html
> >>
> >> This is show stopper for us as few customers facing big problems. The
> >> application is crashing frequently.
> >>
> >> Regards
> >> Ganesh
> >>
> >> ----- Original Message -----
> >> From: "Devon H. O'Dell" <devon.odell@gmail.com>
> >> To: <java-user@lucene.apache.org>
> >> Sent: Thursday, March 17, 2011 10:35 PM
> >> Subject: Re: ParallelMultisearcher
> >>
> >>
> >> > 2011/3/17 Ganesh <emailgane@yahoo.co.in>:
> >> >> Is this bug https://issues.apache.org/jira/browse/LUCENE-2249 got
> fixed
> >> in 3.0.3?
> >> >
> >> > The linked ticket shows that it was fixed in 3.0.3.
> >> >
> >> > --dho
> >> >
> >> >> Regards
> >> >> Ganesh
> >> >>
> >> >> ----- Original Message -----
> >> >> From: "Ganesh" <emailgane@yahoo.co.in>
> >> >> To: <java-user@lucene.apache.org>
> >> >> Sent: Thursday, March 17, 2011 7:03 PM
> >> >> Subject: Re: ParallelMultisearcher
> >> >>
> >> >>
> >> >> I tested the same with Lucene 2.9.1 and found very less thread count
> > but
> >> with 3.0.2 it is very high. Do i need to revert back to Lucene 2.9.1.
> >> >>
> >> >> Regards
> >> >> Ganesh
> >> >>
> >> >> ----- Original Message -----
> >> >> From: "Ganesh" <emailgane@yahoo.co.in>
> >> >> To: <java-user@lucene.apache.org>
> >> >> Sent: Thursday, March 17, 2011 5:17 PM
> >> >> Subject: ParallelMultisearcher
> >> >>
> >> >>
> >> >> Hello all,
> >> >>
> >> >> Is there any issue with ParallelMultiSearcher in Lucene 3.0.2? If we
> > search
> >> more frequently then OutOfMemoryError is triggered or It is throwing
> "Not
> >> able to create native thread".. It is working with 2.9.1.
> >> >>
> >> >> I generated Heap Dump and found lot of entries for
> > ParallelMultiSearcher.
> >> >>
> >> >> ParallelMultiSearcher-949-thread-3 java.lang.Thread @ 0x95e6220 104
> 192
> >> >> ParallelMultiSearcher-949-thread-1 java.lang.Thread @ 0x95e60f8 104
> 192
> >> >> ParallelMultiSearcher-957-thread-2 java.lang.Thread @ 0x95d30c8 104
> 192
> >> >> ParallelMultiSearcher-957-thread-3 java.lang.Thread @ 0x95d26e8 104
> 192
> >> >> ParallelMultiSearcher-954-thread-2 java.lang.Thread @ 0x95c3fe0 104
> 192
> >> >> ParallelMultiSearcher-954-thread-3 java.lang.Thread @ 0x95c15f0 104
> 192
> >> >> ParallelMultiSearcher-954-thread-1 java.lang.Thread @ 0x95c14c8 104
> 192
> >> >> ParallelMultiSearcher-956-thread-2 java.lang.Thread @ 0x95b8648 104
> 192
> >> >>
> >> >> Regards
> >> >> Ganesh
> >> >>
> >> >>
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> >> >>
> >> >>
> >> >>
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> >> >>
> >> >>
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> >> >>
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