Future performance and what happens if your doing 1 mil hits and 1 mil contacts every 2 days

Mautic 4.4
My SQL db.t3.large 8GB x 2 vcpu

We enabled the tracking script on all our sites and are now generating 1mil pvs and nearly 1mil anon contacts every 2 days.
I dont know enough about Mautic and what its limits are but is that kind of growth sustainable from the perspective of just the Database. What happens if we continue to pump 1 million records a day into it? Is it designed to deal with that amount of data and will still run happily for the foreseeable future.
Are there any cron “cleaning” steps we should be considering?
I know its a wooly question but just want to get an idea before the things blows up and we start asking why.