Commit 89dce3ee authored by Achilleas Pipinellis's avatar Achilleas Pipinellis

Add link to issue for MySQL/subgroups drop support

parent 46813ccc
......@@ -100,7 +100,7 @@ We currently support the following databases:
We **highly recommend** the use of PostgreSQL instead of MySQL/MariaDB as not all
features of GitLab may work with MySQL/MariaDB:
1. MySQL support for subgroups was dropped with GitLab 9.3.
1. MySQL support for subgroups was [dropped with GitLab 9.3][post].
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. [Zero downtime migrations][zero] do not work with MySQL
......@@ -110,6 +110,7 @@ Existing users using GitLab with MySQL/MariaDB are advised to
[30472]: https://gitlab.com/gitlab-org/gitlab-ce/issues/30472
[zero]: ../update/README.md#upgrading-without-downtime
[post]: https://about.gitlab.com/2017/06/22/gitlab-9-3-released/#dropping-support-for-subgroups-in-mysql
### PostgreSQL Requirements
......
......@@ -2,7 +2,8 @@
>**Notes:**
- [Introduced][ce-2772] in GitLab 9.0.
- MySQL support for subgroups was dropped in GitLab 9.3.
- Not available when using MySQL as external database (support removed in
GitLab 9.3 [due to performance reasons][issue]).
With subgroups (aka nested groups or hierarchical groups) you can have
up to 20 levels of nested groups, which among other things can help you to:
......@@ -175,3 +176,4 @@ Here's a list of what you can't do with subgroups:
[ce-2772]: https://gitlab.com/gitlab-org/gitlab-ce/issues/2772
[permissions]: ../../permissions.md#group
[reserved]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/lib/gitlab/path_regex.rb
[issue]: https://gitlab.com/gitlab-org/gitlab-ce/issues/30472#note_27747600
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