MariaDB backup is the online backup tool that is part of MariaDB TX, it is an online backup tool that supports many advanced features. MariaDB MaxScale is a database proxy that, among other things allows read/write split scalability, online configuration and much more and which is also included with MariaDB TX. By combining these tools, this blog shows how a replication cluster can be scaled online without downtime.
Perhaps the most user-visible InnoDB changes in the MariaDB Server 10.3.7 GA release are Instant ADD COLUMN for InnoDB tables, the new parameter alter_algorithm and the clauses
ALGORITHM=NOCOPY that can protect the database from executing costly
ALTER TABLE operations taking hours.
One of the central themes of MariaDB TX 3.0 is reducing the cost, reusing established skill sets and increasing the efficiency, speed and technical viability of migrations from complex, proprietary databases.