On Sat, Jan 15, 2011 at 2:19 PM, Salman Akram <salman.ak...@northbaysolutions.net> wrote: > Hi, > > SOLR 1.4.1 uses Lucene 2.9.3 by default (I think so). I have few questions > > Are there any major performance (or other) improvements in Lucene > 3.0.3/Lucene 2.9.4?
you can see all major changes here: http://lucene.apache.org/java/3_0_3/changes/Changes.html > > Does 3.x has major compatibility issues moving from 2.9.x? I assume you mean 3.0.x instead of 3.x ? The answer is no - nothing major! Its mainly cut over to java 5 like generics and varags etc. > > Will SOLR 1.4.1 build work fine with Lucene 3.0.3? phew... I am not sure but could be though.... that should very easy to try... just get the sources here http://svn.apache.org/repos/asf/lucene/solr/tags/release-1.4.1/ change the jar and run a test build simon > > Thanks! > > -- > Regards, > > Salman Akram > Senior Software Engineer - Tech Lead > 80-A, Abu Bakar Block, Garden Town, Pakistan > Cell: +92-321-4391210 >