Floyd, In my performance testing I observed slightly faster performance when sorting on a field value as opposed to the score as the score is not calculated for the document in that case. Nothing significant, but measureable.
Does that help? Michael -----Original Message----- From: Floyd Wu [mailto:[email protected]] Sent: Tuesday, March 09, 2010 6:51 PM To: [email protected] Subject: Re: What is the current production version? Hi Michael, Thanks for you information, but I'm not fully understand what you said. Could you please explain this much more simpler. Sorry that English is not my native language. Thanks in advanced Floyd 2010/3/10 Michael Garski <[email protected]> > Floyd - > > There is a change in 2.9 where the score for a document is calculated > only if there is not a sort on a field. > > Michael > > -----Original Message----- > From: Floyd Wu [mailto:[email protected]] > Sent: Monday, March 08, 2010 10:11 PM > To: [email protected] > Subject: Re: What is the current production version? > > I am current upgrade to 2.9.1 and also found that 2.9.1 perform better > when > sorting result than 2.3 and 2.4. > > But I didn't find any change log about this performance enhancement. > (Can someone tell me about this issue?) > > Floyd > > > > 2010/3/9 Artem Chereisky <[email protected]> > > > Hans, > > > > We use 2.9 in production and we find it stable. 2.9 is indeed quite > recent > > so if in doubt, grab 2.4 tag. > > > > Art > > > > > > On 09/03/2010, at 14:26, "Hans Merkl" <[email protected]> wrote: > > > > I am a little confused about the current version of Lucene.Net that > can > >> used for production. In SVN I can see a tag for version 2.9.1 but > the > >> "stable" version on http://lucene.apache.org/lucene.net/ links to > version > >> 2.0.0 from 2 years ago. > >> > >> Does anybody know what the current version is? > >> > >> Thanks > >> > >> Hans > >> > >> > >> > >> > >> > >> > >> > >
