@@ -95,15 +95,16 @@ installation (e.g. the number of users, projects, etc).
...
@@ -95,15 +95,16 @@ installation (e.g. the number of users, projects, etc).
We currently support the following databases:
We currently support the following databases:
- PostgreSQL (highly recommended)
- PostgreSQL (highly recommended)
- MySQL/MariaDB (doesn't support all features)
- MySQL/MariaDB (strongly discouraged, not all GitLab features are supported, no support for [MySQL GTID](https://dev.mysql.com/doc/refman/5.6/en/replication-gtids-concepts.html))
We **highly recommend** the use of PostgreSQL instead of MySQL/MariaDB as not all
We highly recommend the use of PostgreSQL instead of MySQL/MariaDB as not all
features of GitLab work with MySQL/MariaDB:
features of GitLab work with MySQL/MariaDB:
1. MySQL support for subgroups was [dropped with GitLab 9.3][post].
1. MySQL support for subgroups was [dropped with GitLab 9.3][post].
See [issue #30472][30472] for more information.
See [issue #30472][30472] for more information.
1. GitLab Geo does [not support MySQL](https://docs.gitlab.com/ee/gitlab-geo/database.html#mysql-replication).
1. GitLab Geo does [not support MySQL](https://docs.gitlab.com/ee/gitlab-geo/database.html#mysql-replication).
1.[Zero downtime migrations][zero] do not work with MySQL
1.[Zero downtime migrations][zero] do not work with MySQL
1. We expect this list to grow over time.
Existing users using GitLab with MySQL/MariaDB are advised to
Existing users using GitLab with MySQL/MariaDB are advised to
[migrate to PostgreSQL](../update/mysql_to_postgresql.md) instead.
[migrate to PostgreSQL](../update/mysql_to_postgresql.md) instead.
