A must-have cron job on your OpenStack Cloud
Running OpenStack on production can be difficult, so every optimizations are good to take :).
Basically, this script flushes expired tokens and moves deleted instance to other tables. You want to run this script only on one of your cloud controllers.
Depending on the amount of deleted instances that you get on a daily basis you’d like to modify the
Running these two tasks on a daily basis and ideally prior to running your databases backup is a good start.