The etcd solution was highly questionable. Actually, a prime example for reinventing the wheel, but worse.

>> it seems like they are successful in spite of these decisions, not because of these decisions

That is my conclusion, too.

The thing about startup decisions is: most of them are "wrong". Or they start right and become wrong later. Successful startups aren't successful in spite of their wrong decisions, they're successful because they can change them very quickly (then write a blog post about it and get more customers).

There's also a strong correlation between people who look at things from weird angles and also build good products. Why are you surprised the people who invented an entirely new way of doing VPNs also don't cargo cult database storages?

it's not cargo culting if it works, and they even say in the article that mysql or postgres would've worked

maybe next they will stop cargo culting operating systems and switch to SerenityOS?

They're talking about running many instances of MySQL locally, not hooking all their systems up to RDS.

no they aren't

Tailscale’s coordination server, our “control plane”, has become known as CONTROL. It’s currently a single Go process on a single VM.

source: https://tailscale.com/blog/an-unlikely-database-migration/