>Update - primary failover briefly improved performance but did not fully mitigate, we've throttled inbound traffic and are investigating upstream Vitess issues

And now they're blaming their upstream vendor! Embarrassing stuff to be writing on a public page.

Vitess is a distributed mysql database. Github could very well be managing it entirely on their own. I have only seen people managing their own vitess, its entirely open source afaik.

I read that as an upstream service they own, but I agree the wording a bit weird.

Why is that a problem if it _is_ an upstream vendor problem? (assuming it is)