[anti-censorship-team] Reboot of Snowflake VPSes is needed

[meskio]

Quoting David Fifield (2021-10-28 16:54:40)
> I got an email saying that the snowflake bridge and broker VPSes need to
> be restarted to migrate them to a new storage backend. If we don't do
> it, it will happen automatically some time next week.
> 
> Is there a better time to schedule the restart?

On a fast look into the broker grafana stats it look like there is a daily
pattern where the lowest client requests is between 2am and 6am UTC. So I guess
anytime around that will be best.

I'm not sure how to access the bridge metrics (if there is) to check if it
matches that.


BTW, now looking into the broker graphs there is something weird since 2 days.
The number of proxies with 'unknown' type of nat has rised heavily at the same
time the 'restricted' nat has gone down. There are long periods without idle
proxies and many requests being denied of nat type uknown. It doesn't look like
the proxy capacity has gone down, can it be something broken on the way we test
the nat type?

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