At my day job I've found Lucene to outperform CouchDB in query performance by orders of magnitude. I deal with a huge volume of manufacturing data, some of whi

At my day job I've found Lucene to outperform CouchDB in query performance by orders of magnitude. I deal with a huge volume of manufacturing data, some of which fits into a "document model". The Solr frontend to Lucene is a poor substitute for CouchDB's web APIs though, too much configuration required -- it was easier to roll my own REST-ish front end with JSPs.