Something unusual is happening at the All logs history. Time to check there.
Topic on User talk:Elitre (WMF)
Account creation log.
Again, what about it? Project:Current_issues has nothing and it's probably the best place to formulate a description of any issues. (Automatic creation of account shouldn't be one, if that's what you actually mean.)
Many accounts created in 1 minute ans some created by others
I don't know if that is normal or not, hence why I suggested a different venue for this conversation. I'll open that thread for you to save time.
And some of those usernames are spam or profane and should be blocked.