On Tue, Jun 9, 2009 at 10:19 PM, Amit Nithian <anith...@gmail.com> wrote:
> I take it by the deafening silence that this is not possible? :-) > Anything is possible :) However, it might be easier to upgrade to 1.4 instead. > > On Mon, Jun 8, 2009 at 11:34 AM, Amit Nithian <anith...@gmail.com> wrote: > > > Hi, > > I am still using Solr 1.2 with the Lucene 2.2 that came with that version > > of Solr. I am interested in taking advantage of the trie filtering to > > alleviate some performance problems and was wondering how back-portable > > these patches are? > > > Trie is a new functionality. It does have a few dependencies on new Lucene APIs (TokenStream/TermAttribute etc.). On the Solr side I think it'd be easier. > > > I am also trying to understand how the Trie algorithm cuts down the > number > > of term queries compared to a normal range query. I was at the recent Bay > > Area lucene/solr meetup where this was covered but missed some of the > > details. > > > See the javadocs. It has the link to the paper in which it is described in more detail. http://hudson.zones.apache.org/hudson/job/Lucene-trunk/javadoc/contrib-queries/org/apache/lucene/search/trie/package-summary.html -- Regards, Shalin Shekhar Mangar.