While a user has a high number (25k) UserSession suspending it is making the server timeout, thus the transaction is rolled back and the user is never suspended.

The code responsible of this is: https://github.com/3scale/porta/blob/fadbbd5741e7c1973022fc18f8654af3b5be576b/app/models/user/states.rb#L25

https://github.com/3scale/porta/blob/fadbbd5741e7c1973022fc18f8654af3b5be576b/app/models/user.rb#L259-L264

Dev notes

• Use delete_all instead of destroy_all
• Or delete the sessions in the background