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repmgr: Replication Manager for PostgreSQL

repmgr is a suite of open-source tools to manage replication and failover within a cluster of PostgreSQL servers. It enhances PostgreSQL's built-in replication capabilities with utilities to set up standby servers, monitor replication, and perform administrative tasks such as failover or switchover operations.

The most recent repmgr version (5.5.x) supports all PostgreSQL versions from 13 to 17. Despite it could be used with some older ones, some features might not be available, however, it's strongly recommended to use the latest version.

repmgr is distributed under the GNU GPL 3 and maintained by EnterpriseDB.

Documentation

The full repmgr documentation is available here:

repmgr documentation

Versions

For an overview of repmgr versions and PostgreSQL compatibility, see the repmgr compatibility matrix.

Files

CONTRIBUTING.md: details on how to contribute to repmgr
COPYRIGHT: Copyright information
HISTORY: Summary of changes in each repmgr release
LICENSE: GNU GPL3 details

Directories

contrib/: additional utilities
doc/: DocBook-based documentation files
expected/: expected regression test output
sql/: regression test input

Support and Assistance

EnterpriseDB provides 24x7 production support for repmgr, including configuration assistance, installation verification and training for running a robust replication cluster. For further details see:

EDB Support Services

There is a mailing list/forum to discuss contributions or issues:

https://groups.google.com/group/repmgr

Please report bugs and other issues to:

https://github.com/EnterpriseDB/repmgr

Further information is available at https://repmgr.org/

We'd love to hear from you about how you use repmgr. Case studies and news are always welcome.

Thanks from the repmgr core team.

Ian Barwick
Israel Barth
Mario González
Martín Marqués
Gianni Ciolli

Past contributors:

Jaime Casanova
Abhijit Menon-Sen
Simon Riggs
Cedric Villemain