If you have an MVP - the worst crowns are processed sequentially. It means that other tasks in the future, for example, a rozsilka, a price change, an automation - then a little bit of work is done, and then new tasks. You can marvel here /admin/shop/statistic/ , reports of 5 of the remaining most successful events on the screen:
global solution:
1. often help to switch to a vision server, if you want one like this
https://www.hetzner.com/dedicated-rootserver/ex42-nvme/?ref=qmEl7orJEXpw2. transition to OS - the architecture is changed there, the tasks run in parallel