Merge branch '435014-add-sharding-key-to-internal-ids' into 'master'

Add sharding_keys to internal_ids

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/147705



Merged-by: Omar Qunsul <oqunsul@gitlab.com>
Approved-by: Radamanthus Batnag <rbatnag@gitlab.com>
Approved-by: Dmitry Gruzd <dgruzd@gitlab.com>
Approved-by: Halil Coban <hcoban@gitlab.com>
Approved-by: Omar Qunsul <oqunsul@gitlab.com>
Reviewed-by: Dmitry Gruzd <dgruzd@gitlab.com>
Co-authored-by: Prabakaran Murugesan <pmurugesan@gitlab.com>

db/docs/internal_ids.yml

@@ -8,3 +8,6 @@ description: Keeps track of counters scoped to a certain context, e.g. a project
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/17580
 milestone: '10.7'
 gitlab_schema: gitlab_main_cell
+sharding_key:
+  project_id: projects
+  namespace_id: namespaces

spec/lib/gitlab/database/sharding_key_spec.rb

@@ -27,7 +27,9 @@
       'pages_domains.project_id', # https://gitlab.com/gitlab-org/gitlab/-/issues/442178,
       'remote_mirrors.project_id', # https://gitlab.com/gitlab-org/gitlab/-/issues/444643
       'path_locks.project_id', # https://gitlab.com/gitlab-org/gitlab/-/issues/444643
-      'subscription_add_on_purchases.namespace_id' # https://gitlab.com/gitlab-org/gitlab/-/issues/444338
+      'subscription_add_on_purchases.namespace_id', # https://gitlab.com/gitlab-org/gitlab/-/issues/444338
+      'internal_ids.project_id', # https://gitlab.com/gitlab-org/gitlab/-/issues/451900
+      'internal_ids.namespace_id' # https://gitlab.com/gitlab-org/gitlab/-/issues/451900
     ]
   end