Introduction
The Couchbase Hadoop connector allows those who deploy both Couchbase Server and Hadoop to move data between these two NoSQL systems as needed. The connector is a sqoop plugin. 
Releases
The official page for the Couchbase Hadoop Connector is at couchbase.com/develop/connectors/hadoop. All official releases are available from this page.
Source Repositories
The source for the connector is on the Couchbase's github. Further development on the connector is submitted through Couchbase's source code review site, and developers may want to see proposed changes for the project.