I think that might have just been an oversight. We shouldn't allow creation of an alias for non-existent collections.
On a similar note, I think we should also be clearing out the aliases when we DELETE a collection. -Anshum On Fri, Dec 9, 2016 at 12:57 PM Tomás Fernández Löbbe <tomasflo...@gmail.com> wrote: > We currently support requests to CREATEALIAS to collections that don’t > exist. Requests to this alias later result in 404s. If the target > collection is later created, requests to the alias will begin to work. I’m > wondering if someone is relying on this behavior, or if we should validate > the existence of the target collections when creating the alias (and thus, > fail fast in cases of typos or unexpected cluster state) > > Tomás >