[systemd-devel] Requires and After

[Olaf van der Spek]

On Tue, Jan 1, 2019 at 8:17 PM Ian Pilcher <arequipeno at gmail.com> wrote:
>
> On 1/1/19 5:44 AM, Jérémy Rosen wrote:
> > The short answer is that Requires without after makes little sense,
> > since you can't reliably know if your dependency is here without it
> > (if it fails at startup, you might or might not be started, depending
> > on the startup order systemd chooses)
>
> There are cases where it makes sense.  For example, most OpenStack
> services require both a message bus and a database, but they are smart
> enough to wait and re-attempt their connections if either of those
> services isn't immediately available.

What's the benefit of not having After= for those services?


-- 
Olaf