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by BonoboIO 681 days ago
I can get a 48 core/96 threads dedicated server for 200€ a month on hetzner. The cheapest EC2 with that comes close costs 2€ per hour. I can get nearly 10 hetzner servers that run consistently for that price.

Obviously the dedicated machines are not rentable per hour, but the cloud is so much more expensive.
2 comments
adamcharnock 681 days ago
Very much this. I’ve overseen this process for one of my clients and we’ve seen build + deploy times go from 5-10 minutes down to around 1-2m. This was down to increased performance, improved caching, and being about to cut out some minor workflow setup steps.

So 10x cheaper and 5x the performance.

Still using GitHub Actions, but now just using self-hosted runners.

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aayushshah15 681 days ago
Well, the point was that if 4 concurrent `git push`es saturates up to 1500 vCPUs then you'd need 16 of those hetzner dedicated servers (which you have to manage the uptime for) that you're paying for for the entire month. ~4 pushes is a very small amount and an org with a few dozen or so engineers will regularly see peaks higher than this.

Additionally, you'd have to ensure some isolation across your test runs (either by running the test suites in ephemeral containers, or VMs) which is additional engineering work for something that isn't business critical.

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adamcharnock 681 days ago
In my experience, dedicated hardware has provided a baseline real-world 2x speed up over cloud instances (presumably down to no contention, local nvme). So that would be 8 hetzner instances.

I managed to squeeze out a 5x speed up total (see my other comment). In which case that would mean 3-4 instances.

Plus with shorter build times you may then find that having a builds queued up is acceptable.

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