Bucardo is an asynchronous PostgreSQL replication system, allowing for both multi-master and multi-slave operations. It was developed at Backcountry.com by Jon Jensen and Greg Sabino Mullane of End Point Corporation, and is now in use at many other organizations. Bucardo is free and open source software released under the BSD license.

Obtaining Bucardo

The latest version of Bucardo, 5.5.0, can be downloaded here:

• Bucardo.tar.gz
• signature: Bucardo.tar.gz.asc

Bucardo also requires DBIx::Safe, which can be downloaded here:

• DBIx-Safe-1.2.5.tar.gz

Documentation

Online documentation is available for the following parts of Bucardo:

• Overview of Bucardo: A quick overview of Bucardo, explaining what it is and what it is capable of
• Bucardo FAQ (Frequently Asked Questions): Answers to commonly asked questions about Bucardo
• Bucardo installation: Installation instructions for Bucardo
• pgbench tutorial: An example of how to use Bucardo to replicate a database
• bucardo: A script used to control an existing Bucardo installation
• DBIx::Safe: Helper module needed by Bucardo that provides safe versions of DBI database handles

Community

There are many ways you can help the Bucardo project:

• Tell us how you are using Bucardo (different platforms, Postgres versions, configurations)
• Edit this wiki
• Submit bug reports
• Fix bugs
• Write code (including helper programs)

Three Bucardo mailing lists are available:

• Bucardo-announce: This is a low volume list used for notices of new versions, important bugs, and security warnings. It is highly recommended that anyone using Bucardo subscribe to this list.
• Bucardo-general: Used to discuss any aspect of Bucardo. Bug reports, usage questions, feature requests, and general discussions should be sent to this list.

Bucardo users have real-time chat in the #bucardo IRC channel on Freenode.

We track bugs for Bucardo at github.

You can learn more about the Bucardo source code at the Bucardo Ohloh project page.

Development

Bucardo development is managed in the Git version control system. Bucardo is composed of two separate projects, each of which can be downloaded for local development as follows:

git clone git@github.com:bucardo/bucardo.git
git clone git@github.com:bucardo/dbixsafe.git

See the main GitHub project for easy patch contribution by the general public.