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On Wed, Jul 13, 2022, at 7:44 AM, Adam Pankow wrote:
> Ubuntu instance images seem to utilize "nova.clouds.archive.ubuntu.com" 
> as their default repository. It seems that either this server does not 
> efficiently route to an alternate mirror, or it itself is a mirror. 
> This results in quite abysmal download speeds that I have seen. Would 
> there be any downside to picking any other Ubuntu mirror, that is 
> definitively more geographically close to me, but not explicitly 
> labeled a Nova/Cloud mirror? i.e. would there be issues encountered, or 
> features lost, by not using Ubuntu's designated Nova/Cloud repo?

The setting of the repo location is likely to be baked into whatever image you grabbed. Running some DNS queries I suspect that *.clouds.archive.ubuntu.com is used to track requests from various cloud providers to provide insight into things like popularity of Ubuntu on different clouds.

I wouldn't expect there to be any problems using a different mirror as the packages should all be kept roughly in sync. The biggest thing to keep in mind is probably reliability and adjusting if necessary.