Pgpool-II is a tool to add useful features to PostgreSQL, including:
Pgpool Global Development Group is pleased to announce the availability of following versions of Pgpool-II:
Please note that 3.3.22 is the last release of 3.3 series because 5 years has passed since 3.3 was out (2013/07/30).
Release notes for versions prior 3.6 are no longer included in the source code.
Please take a look at release notes.
You can download the source code and RPMs.