Hi Andy, Multi-value faceting is a special case of taxonomy. So it is covered by the "org.apache.lucene.facet" package (lucene/facet). This is not per segment but works without "per IndexSearcher" cache.
So imho the taxonomy faceting will work with NRT. Because of the new TermsEnum#ord() Method the class UnInvertedField already lost half of its code-lines. UnInvertedField would work per segment, if the "ordinal position for a term" would not change in a commit. Which is the basic idea of the taxonomy-solution. So I am quite sure that Solr will adopt this approach any time. I do not now about "soon". Best regards Karsten in context: http://lucene.472066.n3.nabble.com/Nrt-and-caching-tp3993612p3993700.html -------- Original-Nachricht -------- > Datum: Sat, 7 Jul 2012 17:32:52 -0700 (PDT) > Von: Andy <angelf...@yahoo.com> > An: "solr-user@lucene.apache.org" <solr-user@lucene.apache.org> > Betreff: Re: Nrt and caching > Jason, > > If I just use stock Solr 4.0 without modifying the source code, does that > mean multi-value faceting will be very slow when I'm constantly > inserting/updating documents? > > Which open source library are you referring to? Will Solr adopt this > per-segment approach any time soon? > > Thanks >
