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Diffstat (limited to 'doc/install/requirements.md')
| -rw-r--r-- | doc/install/requirements.md | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/doc/install/requirements.md b/doc/install/requirements.md index 9a6c2ce1976..17099c1d051 100644 --- a/doc/install/requirements.md +++ b/doc/install/requirements.md @@ -105,8 +105,10 @@ features of GitLab work with MySQL/MariaDB: 1. MySQL support for subgroups was [dropped with GitLab 9.3][post]. See [issue #30472][30472] for more information. -1. Geo does [not support MySQL](https://docs.gitlab.com/ee/administration/geo/replication/database.html#mysql-replication). This means no supported Disaster Recovery solution if using MySQL. **[PREMIUM ONLY]** +1. Geo does [not support MySQL](https://docs.gitlab.com/ee/administration/geo/replication/database.html). This means no supported Disaster Recovery solution if using MySQL. **[PREMIUM ONLY]** 1. [Zero downtime migrations](../update/README.md#upgrading-without-downtime) do not work with MySQL. +1. [Database load balancing](https://docs.gitlab.com/ee/administration/database_load_balancing.html) is + supported only for PostgreSQL. **[PREMIUM ONLY]** 1. GitLab [optimizes the loading of dashboard events](https://gitlab.com/gitlab-org/gitlab-ce/issues/31806) using [PostgreSQL LATERAL JOINs](https://blog.heapanalytics.com/postgresqls-powerful-new-join-type-lateral/). 1. In general, SQL optimized for PostgreSQL may run much slower in MySQL due to differences in query planners. For example, subqueries that work well in PostgreSQL @@ -141,7 +143,17 @@ On some systems you may need to install an additional package (e.g. #### Additional requirements for GitLab Geo -If you are using [GitLab Geo](https://docs.gitlab.com/ee/development/geo.html), the [tracking database](https://docs.gitlab.com/ee/development/geo.html#geo-tracking-database) also requires the `postgres_fdw` extension. +If you are using [GitLab Geo](https://docs.gitlab.com/ee/development/geo.html): + +- We strongly recommend running Omnibus-managed instances as they are actively + developed and tested. We aim to be compatible with most external (not managed + by Omnibus) databases (for example, AWS RDS) but we do not guarantee + compatibility. +- The + [tracking database](https://docs.gitlab.com/ee/development/geo.html#geo-tracking-database) + requires the + [postgres_fdw](https://www.postgresql.org/docs/9.6/static/postgres-fdw.html) + extension. ``` CREATE EXTENSION postgres_fdw; |