Bug#997943: systemd: Persistent attribute of timer is ignored

[Hendrik Buchner]

> This appears to be inconsistent imho.
>
> Somehow I think systemd could be more clever here and scale down
> RandomizedDelaySec= on boot depending on how far in the past the
> timestamp of the stampfile is.
> Say the last activation of the service was 12 hours ago, then scale
> down RandomizedDelaySec=12h by dividing it by 12, so it would become
> RandomizedDelaySec=1h. The further in the past, the shorter the delay
> would become and the more likely that the timer fires eventually.
>
> And for consistencies sake, a (scaled) RandomizedDelaySec=1 should
> also be reapplied on resume.
>

That's right, if systemd would be capable of this behaviour, it would be
very helpfull to not end up in a never updated system for example (like
it might happen to my systems).