# System Variables Added in MariaDB 10.4 This is a list of [system variables](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables) that have been added in the [MariaDB 10.4](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/what-is-mariadb-104) series. The list does not include variables that are not part of the default release. | Variable | Added | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------ | | [analyze\_sample\_percentage](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#analyze_sample_percentage) | [MariaDB 10.4.3](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.3) | | [default\_password\_lifetime](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#default_password_lifetime) | [MariaDB 10.4.3](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.3) | | [disconnect\_on\_expired\_password](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#disconnect_on_expired_password) | [MariaDB 10.4.3](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.3) | | [gtid\_cleanup\_batch\_size](https://mariadb.com/docs/server/standard-replication/gtid#gtid_cleanup_batch_size) | [MariaDB 10.4.1](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.1) | | [innodb\_encrypt\_temporary\_ables](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-system-variables) | [MariaDB 10.4.7](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.7) | | [innodb\_instant\_alter\_column\_allowed](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-system-variables#innodb_instant_alter_column_allowed) | [MariaDB 10.4.13](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.13) | | [max\_password\_errors](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#max_password_errors) | [MariaDB 10.4.2](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.2) | | [optimizer\_trace](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#optimizer_trace) | [MariaDB 10.4.3](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.3) | | [optimizer\_trace\_max\_mem\_size](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#optimizer_trace_max_mem_size) | [MariaDB 10.4.3](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.3) | | [tcp\_nodelay](https://mariadb.com/docs/server/server-management/variables-and-modes/server-system-variables#tcp_nodelay) | [MariaDB 10.4.0](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.0) | | [tls\_version](https://mariadb.com/docs/server/security/encryption/data-in-transit-encryption/ssltls-system-variables#tls_version) | [MariaDB 10.4.6](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.6) | | [wsrep\_certification\_rules](https://app.gitbook.com/s/3VYeeVGUV4AMqrA3zwy7/reference/galera-cluster-system-variables#wsrep_certification_rules) | [MariaDB 10.4.3](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.3) | | [wsrep\_trx\_fragment\_size](https://app.gitbook.com/s/3VYeeVGUV4AMqrA3zwy7/reference/galera-cluster-system-variables#wsrep_trx_fragment_size) | [MariaDB 10.4.2](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.2) | | [wsrep\_trx\_fragment\_unit](https://app.gitbook.com/s/3VYeeVGUV4AMqrA3zwy7/reference/galera-cluster-system-variables#wsrep_trx_fragment_unit) | [MariaDB 10.4.2](https://app.gitbook.com/s/aEnK0ZXmUbJzqQrTjFyb/community-server/old-releases/10.4/10.4.2) | For system variables that have been removed or deprecated, see [Upgrading from MariaDB 10.3 to MariaDB 10.4](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-103-to-mariadb-104). ## See Also * [Status Variables Added in MariaDB 10.4](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/status-variables-added-in-mariadb-104) * [System Variables Added in MariaDB 10.5](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-10-5) * [System Variables Added in MariaDB 10.3](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-10-3) * [System Variables Added in MariaDB 10.2](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-102) *This page is licensed: CC BY-SA / Gnu FDL* {% @marketo/form formId="4316" %}