Hypertable by Roberto Zicari · Published June 1, 2009 · Updated February 16, 2014 Doug Judd. This presentation describes project Hypertable, an open source clone of Bigtable. DOWNLOAD (PDF)
A comparison of VoltDB and Cassandra Benchmarks October 3, 2017 by Roberto Zicari · Published October 3, 2017
Couchbase: Understanding group_level in View Queries with Couchbase Server 2.0 January 1, 2013 by Roberto Zicari · Published January 1, 2013 · Last modified February 16, 2014