HA-JDBC is a JDBC driver proxy that provides light-weight, transparent clustering capability to any underlying JDBC driver.
Supports any database accessible via JDBC.
High-availability - Database cluster can lose a node without failing transaction.
Improves performance of concurrent read-access by distributing load across individual nodes.
Support for full JDBC 3.0 (Java 1.4) feature set.
Inherently compatible with JSR 114 javax.sql.RowSet API.
Out-of-the-box database-independent strategies for synchronizing a failed cluster node.
Exposes JMX management interface to allow administration of database clusters.
Open source (LGPL).