![]() ![]() MariaDB Server does not support the MySQL implementation of Global Transaction IDs (GTIDs), so the MariaDB replica server must use the binary log file and position for replication. MariaDB Server 10.2 and later can replicate from a MySQL 5.7 primary server. Replication compatibility details are described below for each MySQL version that is still currently supported.įor replication compatibility details between MariaDB versions, see Cross-Version Replication Compatibility. MariaDB 5.1, MariaDB 5.2, and MariaDB 5.3 function as drop-in replacements for MySQL 5.1. MariaDB 5.5 functions as a drop-in replacement for MySQL 5.5. However, there are some implementation differences in some features. MariaDB 10.0 and MariaDB 10.1 function as limited drop-in replacements for MySQL 5.6, as far as InnoDB is concerned. However, the implementation differences continue to grow in each new MariaDB version. MariaDB 10.2, MariaDB 10.3, and MariaDB 10.4 function as limited drop-in replacements for MySQL 5.7, as far as InnoDB is concerned. Drop-in Compatibility of Specific MariaDB Versions Versions on the What is in the different MariaDB Releases page. You can find the feature set for the different MariaDB That said, MariaDB has a lot of new options, extension, storage engines and bug fixes that are not in MySQL. This is needed to ensure that your mysql privilege and event tables are updated with the new fields MariaDB uses. However, you must still run mysql_upgrade to finish the upgrade. There is not generally any need to convert any data files. This means that for many cases, you can just uninstall MySQL and install MariaDB and you are good to go. That you should be aware of (a bug in how the old PHP5 client checks library
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