I think you may be okay with the Lucene 2.3 (I tried it with Solr from a few months ago). The development version of Solr already uses Lucene 2.3.*.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Yongjun Rong <[EMAIL PROTECTED]> > To: solr-user@lucene.apache.org > Sent: Tuesday, April 29, 2008 11:24:55 AM > Subject: Uprade lucene to 2.3 > > Hi, > It seems the latest lucene 2.3 has some improvement on performance. > I'm just wondering if it is ok for us to easily upgrade the solr's > lucene from 2.1 to 2.3. Is any special thing we need to know except just > replace the lucene jars in the lib directory. > Thank you very much. > Yongjun Rong > >