Solr has no limitation on the number of cores. It's limited by your hardware, inodes and how many files you could keep open.
I think even if you went the Lucene route you would run into same hardware limits. -- View this message in context: http://lucene.472066.n3.nabble.com/Lucene-vs-Solr-design-decision-tp3813457p3813511.html Sent from the Solr - User mailing list archive at Nabble.com.
