TransLattice Elastic Database 2.5 has PostgreSQL 9.0 as its foundation, and the upper levels of the database management system look and smell like normal Postgres.

But the underlying guts of the database, including the locking mechanisms and data storage methods, have been completely replaced with a new set of code.

This new software can create a database cluster like Oracle’s Real Application Clusters (RAC) or IBM’s PureScale for DB2, and do policy-driven database sharding – effectively partitioning databases and spreading bits of them over multiple servers – as well as replication over a wide-area network.

via Postgres-on-steroids wields bare metal in Oracle, IBM skirmish • The Register.