# System Variables Added in MariaDB 5.5 This is a list of [system variables](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables) that were added in the [MariaDB 5.5](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/changes-improvements-in-mariadb-5-5) series. The list excludes variables related to non-default storage engines and plugins that can be added to [MariaDB 5.5](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/changes-improvements-in-mariadb-5-5): | Variable | Added | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | | [innodb\_adaptive\_flushing\_method](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_adaptive\_hash\_index\_partitions](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_blocking\_buffer\_pool\_restore](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_buffer\_pool\_instances](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [nnodb\_buffer\_pool\_restore\_at\_startup](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_change\_buffering\_debug](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_corrupt\_table\_action](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_flush\_checkpoint\_debug](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | | | [innodb\_force\_load\_corrupted](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_import\_table\_from\_xtrabackup](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_large\_prefix](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_purge\_batch\_size](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_purge\_threads](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_recovery\_update\_relay\_log](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_rollback\_segments](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_use\_global\_flush\_log\_at\_trx\_commit](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | | [innodb\_use\_native\_aio](https://github.com/mariadb-corporation/docs-server/blob/test/server/reference/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 5.5.20](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/5.5/5.5.20) | ## See also * [System Variables Added in MariaDB 10.0](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/system-variables/system-and-status-variables-added-by-major-release/system-and-status-variables-added-by-major-unmaintained-release/system-variables-added-in-mariadb-100) * [Upgrading from MariaDB 5.3 to MariaDB 5.5](https://mariadb.com/docs/server/server-management/install-and-upgrade-mariadb/upgrading/mariadb-community-server-upgrade-paths/upgrading-to-unmaintained-mariadb-releases/upgrading-from-mariadb-10-4-to-mariadb-10-5) *This page is licensed: CC BY-SA / Gnu FDL* {% @marketo/form formId="4316" %}