As I understand it there is, and the best you can do is keep the same number of docs per shard, and keep your documents randomised across shards. That way you'll minimise the chances of suffering from distributed IDF issues.
Upayavira On Wed, 02 Mar 2011 10:10 -0500, "Jae Joo" <jaejo...@gmail.com> wrote: > Is there still issue regarding distributed idf in sharding environment in > Solr 1.4 or 4.0? > If yes, any suggestions to resolve it? > > Thanks, > > Jae > --- Enterprise Search Consultant at Sourcesense UK, Making Sense of Open Source