Situations to prefer Apache Lucene over Solr?

Question

There are several advantages to use Solr 1.4 (out-of-the-box facetting search, grouping, replication, http administration vs. luke, ...).

Even if I embed a search-functi

Answer 1

I'm surprised nobody mentioned NRT - Near Real Time search, available with Lucene, but not with Solr (yet).