you need a separate solr core for that and have to write a processor which process with your original index ,then generate the xml data and push to the new core.That is the simple way that i have used many times.
----- Grijesh -- View this message in context: http://lucene.472066.n3.nabble.com/Creating-a-sub-index-from-another-tp1438386p1438673.html Sent from the Solr - User mailing list archive at Nabble.com.