activation timeout and slow systems

[Lawrence D'Oliveiro]

On Fri, 23 Oct 2020 10:00:30 -0400, Colin Walters wrote:

> I think this type of issue can be exacerbated by systemd's default
> parallelization - systemd (AFAIK) is unaware of IO limitations and
> piling on various bus-activated services on slow systems is going to
> make it much more likely we hit this timeout.

Could some option here
<https://www.freedesktop.org/software/systemd/man/systemd.resource-control.html>
be relevant to this? I’m only a novice with systemd, but phrases like
“unified control group hierarchy” and options like “StartupCPUWeight”
and “StartupIOWeight” sound promising.