Re: System unusably slow after Debian upgrade.
G.W. Haywood wrote:
> It's just like the machine is
> suddenly being powered by an 8080 instead of an E3815...
Lacking any ideas what might be the problem, i'd try Live ISOs of
Debian 9 and Debian 8 whether their systems show the same problem.
A good recommendation I think.
In my experience these symptoms usually manifest as queries to other DNS servers which cannot be contacted. So the name query times out at each name server adding latency to the request. Beware of systemd "augmenting" the related config files at startup.