> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](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-10-4.md). # System Variables Added in MariaDB 10.4 This is a list of [system variables](/docs/server/server-management/variables-and-modes/server-system-variables.md) that have been added in the [MariaDB 10.4](/docs/release-notes/community-server/old-releases/10.4/what-is-mariadb-104.md) series. The list does not include variables that are not part of the default release. | Variable | Added | | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------ | | [analyze\_sample\_percentage](/docs/server/server-management/variables-and-modes/server-system-variables.md#analyze_sample_percentage) | [MariaDB 10.4.3](/docs/release-notes/community-server/old-releases/10.4/10.4.3.md) | | [default\_password\_lifetime](/docs/server/server-management/variables-and-modes/server-system-variables.md#default_password_lifetime) | [MariaDB 10.4.3](/docs/release-notes/community-server/old-releases/10.4/10.4.3.md) | | [disconnect\_on\_expired\_password](/docs/server/server-management/variables-and-modes/server-system-variables.md#disconnect_on_expired_password) | [MariaDB 10.4.3](/docs/release-notes/community-server/old-releases/10.4/10.4.3.md) | | [gtid\_cleanup\_batch\_size](/docs/server/ha-and-performance/standard-replication/gtid.md#gtid_cleanup_batch_size) | [MariaDB 10.4.1](/docs/release-notes/community-server/old-releases/10.4/10.4.1.md) | | [innodb\_encrypt\_temporary\_ables](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md) | [MariaDB 10.4.7](/docs/release-notes/community-server/old-releases/10.4/10.4.7.md) | | [innodb\_instant\_alter\_column\_allowed](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_instant_alter_column_allowed) | [MariaDB 10.4.13](/docs/release-notes/community-server/old-releases/10.4/10.4.13.md) | | [max\_password\_errors](/docs/server/server-management/variables-and-modes/server-system-variables.md#max_password_errors) | [MariaDB 10.4.2](/docs/release-notes/community-server/old-releases/10.4/10.4.2.md) | | [optimizer\_trace](/docs/server/server-management/variables-and-modes/server-system-variables.md#optimizer_trace) | [MariaDB 10.4.3](/docs/release-notes/community-server/old-releases/10.4/10.4.3.md) | | [optimizer\_trace\_max\_mem\_size](/docs/server/server-management/variables-and-modes/server-system-variables.md#optimizer_trace_max_mem_size) | [MariaDB 10.4.3](/docs/release-notes/community-server/old-releases/10.4/10.4.3.md) | | [tcp\_nodelay](/docs/server/server-management/variables-and-modes/server-system-variables.md#tcp_nodelay) | [MariaDB 10.4.0](/docs/release-notes/community-server/old-releases/10.4/10.4.0.md) | | [tls\_version](/docs/server/security/encryption/data-in-transit-encryption/ssltls-system-variables.md#tls_version) | [MariaDB 10.4.6](/docs/release-notes/community-server/old-releases/10.4/10.4.6.md) | | [wsrep\_certification\_rules](/docs/galera-cluster/reference/galera-cluster-system-variables.md#wsrep_certification_rules) | [MariaDB 10.4.3](/docs/release-notes/community-server/old-releases/10.4/10.4.3.md) | | [wsrep\_trx\_fragment\_size](/docs/galera-cluster/reference/galera-cluster-system-variables.md#wsrep_trx_fragment_size) | [MariaDB 10.4.2](/docs/release-notes/community-server/old-releases/10.4/10.4.2.md) | | [wsrep\_trx\_fragment\_unit](/docs/galera-cluster/reference/galera-cluster-system-variables.md#wsrep_trx_fragment_unit) | [MariaDB 10.4.2](/docs/release-notes/community-server/old-releases/10.4/10.4.2.md) | For system variables that have been removed or deprecated, see [Upgrading from MariaDB 10.3 to MariaDB 10.4](/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.md). ## See Also * [Status Variables Added in MariaDB 10.4](/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.md) * [System Variables Added in MariaDB 10.5](/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.md) * [System Variables Added in MariaDB 10.3](/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.md) * [System Variables Added in MariaDB 10.2](/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.md) *This page is licensed: CC BY-SA / Gnu FDL* {% @marketo/form formId="4316" %}