I'd say if you can provide a better vertical search, say for java/scala programmers, that's s worthwhile endeavor. Also, many folks think Solr / lucene /sphinx

I'd say if you can provide a better vertical search, say for java/scala programmers, that's s worthwhile endeavor. Also, many folks think Solr / lucene /sphinx is the only game in town, but Riak and indexTank certainly don't buy that.