The highest set tier on Mailgun is EUR 82 (for 100,000 outgoing emails per month!!!), and from the highest Netdata tier pricing, they must have around 38 nodes (machines), although you can get around the total number of nodes by just passing metrics into a single parent node. I only selfhost things on a small scale (including a Netdata agent, Lemmy, as well as a bunch of other stuff), but that's honestly a bit excessive even if they're the biggest instance. You don't even have to pay Netdata a single $ to be able to use it for a large scale server as well.
The highest set tier on Mailgun is EUR 82 (for 100,000 outgoing emails per month!!!), and from the highest Netdata tier pricing, they must have around 38 nodes (machines), although you can get around the total number of nodes by just passing metrics into a single parent node. I only selfhost things on a small scale (including a Netdata agent, Lemmy, as well as a bunch of other stuff), but that's honestly a bit excessive even if they're the biggest instance. You don't even have to pay Netdata a single $ to be able to use it for a large scale server as well.