CouchDB is an MVCC document store, it isn't concerned with scaling the way Cassandra, HBase and Voldemort are. This is a pretty good overview of the landscape h

CouchDB is an MVCC document store, it isn't concerned with scaling the way Cassandra, HBase and Voldemort are. This is a pretty good overview of the landscape http://www.vineetgupta.com/2010/01/nosql-databases-part-1-landscape.html http://www.vineetgupta.com/2010/01/nosql-databases-part-1-la...