thank you. 2010/11/8 Uwe Schindler <u...@thetaphi.de>: > You have to also use Solr 4.0 :-) > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > >> -----Original Message----- >> From: Li Li [mailto:fancye...@gmail.com] >> Sent: Monday, November 08, 2010 8:47 AM >> To: dev@lucene.apache.org; simon.willna...@gmail.com >> Subject: Re: lucene 4.0 release date >> >> thank you. >> so if I want to use new compress/decompress algorithm, I must use > lucene >> 4.0 in svn? Is there any patch for old release such as 2.9?because I need > solr 1.4 >> which based on lucene 2.9 >> >> 2010/11/8 Simon Willnauer <simon.willna...@googlemail.com>: >> > Li Li, >> > >> > there is no official / unofficial release date for lucene 4.0 if you >> > want to use the latest and greatest features you need to checkout >> > trunk of use a nightly build. My guess would be that there is at least >> > 6 to 8 month to the next release but I can be wrong (more likely it >> > might take even longer) . >> > >> > For PFoR etc you should look into: >> > https://issues.apache.org/jira/browse/LUCENE-1410 >> > https://issues.apache.org/jira/browse/LUCENE-2723 >> > >> > to get started - and read mikes blog >> > http://chbits.blogspot.com/2010/08/lucene-performance-with-pfordelta-c >> > odec.html >> > >> > There is also S9 >> > https://issues.apache.org/jira/browse/LUCENE-2189 >> > and GroupVInt impls >> > https://issues.apache.org/jira/browse/LUCENE-2735 >> > >> > simon >> > >> > On Mon, Nov 8, 2010 at 4:59 AM, Li Li <fancye...@gmail.com> wrote: >> >> hi all, >> >> When will lucene 4.0 be released? >> >> I want to replace VInt compression with fast ones such as >> >> PForDelta. In my application, decompressing a docList of 10M will use >> >> about 300ms. In "Performance of Compressed Inverted List Caching in >> >> Search Engines. With J. Zhang and X.Long. 17th International World >> >> Wide Web Conference (WWW), April 2008." , the author says PForDelta >> >> is much faster than VInt. And I also found a java implementation in >> >> http://code.google.com/p/integer-array-compress-kit/ it's speed is >> >> 500 (M int / sec). But to achieve, I have to modify index file >> >> format. And I found >> >> http://wiki.apache.org/lucene-java/FlexibleIndexing in lucene 4.0, >> >> it will support fore flexible index format. I want to know when it >> >> will be released so as to decide whether wait it or doing it myself. > Thank >> you. >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For >> >> additional commands, e-mail: dev-h...@lucene.apache.org >> >> >> >> >> > >> > --------------------------------------------------------------------- >> > To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For >> > additional commands, e-mail: dev-h...@lucene.apache.org >> > >> > >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional >> commands, e-mail: dev-h...@lucene.apache.org > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org > For additional commands, e-mail: dev-h...@lucene.apache.org > >
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