MariaDB Replication

The terms master and slave have historically been used in replication, but the terms terms primary and replica are now preferred. The old terms are used still used in parts of the documentation, and in MariaDB commands, although MariaDB 10.5 has begun the process of renaming. The documentation process is ongoing. See MDEV-18777 to follow progress on this effort.

Replication is a feature allowing the contents of one or more primary servers to be mirrored on one or more replica servers.

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