How to update information without flooding the server?

Question

PHP

It is necessary to update the payment status after it has completed (up to 2 days). a request is sent to the server in the form of xml and the status is returned, so far there are 2 options. 1 make a cron for the machine. updates of everything at the end of the day, but this is so-so and there is a lot of data or do manual control of this in the admin panel, the type of admin decides what and when, but this is also damp

Answer 1

cron.
If there is really a lot of data - Gearman / RabbitMQ queues, etc.