By Vasudev Ram
Seen on Hacker News:
VoltDB launches Next-Generation Open-Source OLTP DBMS
[ Under the leadership of Postgres and Ingres co-founder, Mike Stonebraker ... It (VoltDB) has outperformed traditional OLTP database systems by a factor of 45 on a single server ... VoltDB is available immediately from www.voltdb.com. The open-source Community Edition is licensed under the GPL and is available for free. ... ]
Details about how the comparisons were run were not provided in the above article, though.
Vasudev Ram - Dancing Bison Enterprises