To decrease the risk of compatibility issues, it is recommended to set binlog_format to ROW. Those differences can cause replication failures in some cases. If GTID mode is enabled on the MySQL primary server, the MariaDB replica server will remove the MySQL GTID events and replace them with MariaDB GTID events.Īlthough MariaDB Server and MySQL 5.7 are compatible at the replication level, they may have some incompatibilities at the SQL (detailed below). 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 maintained.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 There are some installation issues with PHP5.NET, MyODBC, Ruby, MySQL CĬonnector etc) work unchanged with MariaDB. All MySQL connectors (PHP, Perl, Python, Java.All ports and sockets are generally the same.All client APIs and structs are identical.MariaDB's client protocol is binary compatible with MySQL's client protocol.See note below for an incompatibility with views!.Data and table definition files (.frm) files are binary compatible.All filenames and paths are generally the same.MariaDB's data files are generally binary compatible with those from the equivalent MySQL version.From MariaDB 10.0, it is usually still very easy to upgrade from MySQL. Until MariaDB 5.5, MariaDB versions functioned as a "drop-in replacement" for the equivalent MySQL version, with some limitations. Incompatibilities between MariaDB and MySQL-Proxy.Incompatibilities between MariaDB 5.1 and MySQL 5.1.Incompatibilities between MariaDB 5.2 and MySQL 5.1.Incompatibilities between MariaDB 5.3 and MySQL 5.1.Incompatibilities between MariaDB 5.5 and MySQL 5.5.Incompatibilities between MariaDB 10.0 and MySQL 5.6.Incompatibilities between MariaDB 10.1 and MySQL 5.7.Incompatibilities between MariaDB 10.2 and MySQL 5.7.Incompatibilities between MariaDB 10.3 and MySQL 5.7.Incompatibilities between MariaDB 10.7 and MySQL 8.0.Incompatibilities between MariaDB 10.8 and MySQL 8.0.Incompatibilities between MariaDB 10.9 and MySQL 8.0.Incompatibilities between Unmaintained MariaDB Versions and MySQL.Incompatibilities between MariaDB 10.4 and MySQL 8.0.Incompatibilities between MariaDB 10.5 and MySQL 8.0.Incompatibilities between MariaDB 10.6 and MySQL 8.0.Incompatibilities between MariaDB 10.10 and MySQL 8.0.Incompatibilities between MariaDB 10.11 and MySQL 8.0.Incompatibilities between MariaDB 11.0 and MySQL 8.0.Incompatibilities between MariaDB 11.1 and MySQL 8.0.Incompatibilities between Currently Maintained MariaDB Versions and MySQL.Drop-in Compatibility of Specific MariaDB Versions.
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