Nico Schottelius via Postfix-users:
>
> Hello Viktor,
>
> Viktor Dukhovni via Postfix-users <postfix-users@postfix.org> writes:
>
> > On Sat, Oct 26, 2024 at 12:06:12AM +0900, Nico Schottelius via
> > Postfix-users wrote:
> >
> >> The maps/hashes that make a lot of sense on VMs/servers for avoiding
> >> reloading postfix, do not make much sense in the k8s/container context.
> >
> > Restarts are much more disruptive that reloads, because the entire
> > active queue moves back to the incoming queue, client connections are
> > closed abruptly, ... It is not clear why k8s makes that a non-issue.
>
> First of all, I fully agree with you in regards to reload vs. restart
> being disruptive, if we are considering a single system.
Speaking from first-hand experience, Google services have a concept
of 'draining' a service instance, before terminating it.
As Google put a lot of effort into Kubernetes, I would expect similar
functionality there. And in fact there is. Ask any web search
engine for "kubernetes drain and restart".
Wietse
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