Yokozuna - Horizontal rope. The top rank in sumo, usually translated Grand Champion. The name comes from the rope a yokozuna wears.
The goal of the Yokozuna application is to integrate Apache Solr with Riak in order to find the "top rank" documents for a given query.
NOTICE: Yokozuna is the new search implementation for Riak 2.0.0, replacing the old riak_search repository. Breaking changes may occur at any point up until the final Riak 2.0.0 release. Download Riak 2.0.0beta1 to try Yokozuna today.
For more information on using Yokozuna see the official Riak Search documentation.