![]() ![]() ![]() For example, in 10.5 TokuDB is not supported. Ensure that the target MariaDB version supports the storage engines you are using.Go through the individual version upgrade notes (listed below) to look for any major changes or configuration options that have changed.Note that if you are using MariaDB Galera Cluster, you have to follow the Galera upgrading instructions! Requirements for Doing an Upgrade Between Major Versions All older versions should work too (as long as the storage engines you were using are still around). MariaDB Corporation regularly runs tests to check that one can upgrade from MariaDB 5.5 to the latest MariaDB version without any trouble. The MariaDB replica can be of any newer version than the primary.You don't normally need to upgrade any of your old clients to be able to connect to a newer MariaDB version. The MariaDB connection protocol is backward compatible.All MariaDB table data files are backward compatible. ![]() This is also mainly true for any MySQL version < 8.0 to MariaDB 10.4 and up. MariaDB version to the latest one (for example MariaDB 10.3.x to MariaDB 10.11.x), usually in a few seconds. You should be able to trivially upgrade from ANY earlier MariaDB is designed to allow easy upgrades. Requirements for Doing an Upgrade Between Major Versions. ![]()
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