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Migrating from AWS to Hetzner

digitalsociety.coop

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Re: Migrating from AWS to Hetzner

#92
post #47

We’ve been seeing the same trend. Lots of teams moving to Hetzner for the price/performance, but then realizing they have to rebuild all the Postgres ops pieces (backups, failover, monitoring, etc.). We ended up building a managed Postgres that runs directly on Hetzner. Same setup, but with HA, backups, and PITR handled for you. It’s open-source, runs close to the metal, and avoids the egress/I/O gotchas you get on A…

This is one key draw to Big Cloud and especially PaaS and managed SQL for me (and dev teams I advise).

Not having an ops background I am nervous about:

* database backup+restore * applying security patches on time (at OS and runtime levels) * other security issues like making sure access to prod machines is restricted correctly, access is logged, ports are locked down, abnormal access patterns are detected * DoS and similar protections are not my responsibility

It feels like picking a popular cloud provider gives a lot of cover for these things - sometimes technically, and otherwise at least politically...

Re: Migrating from AWS to Hetzner

#93

I think you can get much farther with dedicated servers. I run a couple of nodes on Hetzner. The performance you get from a dedicated machine even if it is a 3 year old machine that you can get on server auction is absolutely bonkers and cannot be compared to VMs. The thing is that most of the server hardware is focused towards high core count, low clock speed processors that optimize for I/O rather than compute. It…

VMs are middle ground between AWS and dedicated hardware. With hardware you need to monitor it, report problems/failures to the provider, make necessary configuration changes (add/remove node to/from a cluster e. t. c.). If a team is coming from AWS it may have no experience with monitoring/troubleshooting problems caused by imperfect hardware.

Re: Migrating from AWS to Hetzner

#94

I think you can get much farther with dedicated servers. I run a couple of nodes on Hetzner. The performance you get from a dedicated machine even if it is a 3 year old machine that you can get on server auction is absolutely bonkers and cannot be compared to VMs. The thing is that most of the server hardware is focused towards high core count, low clock speed processors that optimize for I/O rather than compute. It…

For self hosted / cohosting my own kit, I buy refurbed servers from https://www.etb-tech.com/ because I can spec exactly what I want and see how the cost varies, what the delivery time is, etc.

Years ago Broadberry has a similar thing with Supermicro, but not any more. You have to talk to a sales person about how they can rip you off. Then they don't give you what you specced anyway -- I spec 8x8G sticks of ram, they provide 2x32G etc.

Re: Migrating from AWS to Hetzner

#95

I really liked Hetzner but I got burned by one issue. I had some personal projects running there and the payment method failed. Automated email communications also failed among so much spam and email notifications I receive, and when I noticed the problem they had wiped all my data without possibility of recovery. It was a wake up moment for me about keeping billing in shape, but also made me understand that a cloud…

Sorry to hear that.

But if you do not pay and you do not check your e-mails, it's basically your fault. Who is using SMS these days even?

Re: Migrating from AWS to Hetzner

#96
post #80

Dedicated servers on a host like Hetzer and OVH surely beats any virtualization based cloud offering on price and performance. The tradeoff is availability. It's a great choice for entities that are optimizing on cost, but not a great choice if your business cannot tolerate downtime. A good example is a the big lichess outage from last year [1]. Lichess is a non-profit, and also must serve a huge user base. Given the…

> The tradeoff is availability. This is a myth, created so cloud providers can sell more, and so those who overpay can feel better. I've been using dedicated servers since 2005, so for 20 years across different providers. I have machines at these providers with 1000-1300 days of uptime.

In fairness they might have been inaccessible during that time. :)

Re: Migrating from AWS to Hetzner

#98
post #69

Earlier quoted context omitted.

"5 or 6x the price they currently pay OVH" So they could have had 100% redundant systems at OVH and still be under half the cost of a traditional "cloud" provider? I would look at architecture and operations first. Their "main" node went down, and they did not have a way they could just bring another instance of it online fast on a fresh OVH machine (typically provisioned in a few minutes, assuming they had no hot st…

is it really redundant when you host at the same provider?

So host one on OVH and one on Hetzner?

Re: Migrating from AWS to Hetzner

#100
post #23

Earlier quoted context omitted.

Blacklisted by whom?

AWS at least maintains IP lists of bots, active exploiters, ddos attackers, etc, that you can use to filter/rate limit traffic in WAF. Not so much AWS that blocks you but customers that decide to use these lists.

So AWS could list some IPs of competitors, just enough to make them look unreliable.
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