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Yokozuna

NOTICE: Yokozuna is in alpha stage. It is under active development. Breaking changes could occur at any moment. In a future release it will replace Riak Search.

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.

Getting Started

Installing

See the INSTALL doc for installing Riak-Yokozuna and forming a development cluster.

Creating an Index

An index must be created for bucket data to be indexed under. Many buckets may use the same index. To create an index via the HTTP interface the following.

curl -XPUT -i 'http://localhost:10018/yz/index/my_index'

Associating a Bucket with an Index

A bucket property must be added to tell Yokozuna where to store the indexes for a given bucket.

curl -XPUT -i -H 'content-type: application/json' 'http://localhost:10018/buckets/my_bucket/props' -d '{"props":{"yz_index":"my_index"}}'

Index Some Data

Indexing data is a matter of writing data to KV. Currently Yokozuna knows hows to index plain text, XML, and JSON.

curl -H 'content-type: text/plain' -X PUT 'http://localhost:10018/buckets/my_bucket/keys/name' -d "Ryan Zezeski"

Searching

The syntax for querying Yokozuna is the same as querying a single instance of Solr. Yokozuna actually uses Solr's distributed search API but that is hidden for you. This means you don't have to worry about where your shards are located. This also means you should be able to use any off-the-shelf Solr client to query Yokozuna.

curl 'http://localhost:10018/search/my_index?q=text:Ryan'