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Creating a project in a group with many members can time out and lead to invalid permission cache

  1. Create a project in the gitlab-com group
  2. The creation will time out
  3. Navigate back to the group page, notice the project has been created
  4. Go to the project
  5. Go to Settings
  6. Issues should be set to Only team members
  7. Issues won't be visible
  8. Explicitly add yourself to the Project as a Master, which will update the cache for your membership
  9. Issues should now be visible
  10. Remove yourself from the Project, falling back to your inherited group permission
  11. Issues should still be visible

I suspect the creation is timing out while transferring the group members into the project permissions, leaving the permissions cache in an invalid state. I verified this a bit on the console:

irb(main):001:0> p = Project.find_by_full_path('gitlab-com/swag-store')
irb(main):002:0> p.group.name
=> "GitLab.com"
irb(main):003:0> p.group.members.count
=> 175
irb(main):004:0> p.team.members.count
=> 3

Those three members are the ones we added manually, as per steps 8 and 10 above.

Compared to a project that's existed in the group for a long time:

irb(main):001:0> p2 = Project.find_by_full_path('gitlab-com/www-gitlab-com')
irb(main):004:0> p2.team.members.count
=> 173