Le 05/11/2015 20:05, Rainer Weikusat a écrit :
Didier Kryn <k...@in2p3.fr> writes:
Le 03/11/2015 17:24, Rainer Weikusat a écrit :
Didier Kryn <k...@in2p3.fr> writes:
I agree with you, and it was the first point in my mail, that the
servers should be able to cope with outages.
That's not a matter of "should": They have to. Even if it's believed
they're just using local IPC[*].
Yes, but let's consider that, maybe, some do not.
Well, yes, "sometimes, software has bugs".
[...]
Let me explicite it:
- Encourage authors to make outage-aware servers, which can then
be started in parallel;
Worrying about 'starting servers in parallell' only makes sense if
there's a real-world situation where this demonstrably makes a relevant
difference. And I very much doubt that --- that's just another imaginary
sugar-coating supposed to help selling systemd to people who are not
expected to understand the issue. As someone recently wrote,
Point remains: most of the "less-tech-savy" users will probably
not even know what systemd is, or what the fuss is all
about. It's all been seamless, without hitch. The OS boots and
gives them a GUI, done.
IOW, without the systemd marketing barrage, most people had never
noticed it as there are no user-visible difference, IOW, it's not an
improvement for them.
- Provide a supervisor able to handle dependencies for the
non-outage-aware, with a trivial readyness notification method.
Can I have one which recites the Lord's prayer backwards prior to
starting a server if I'm more attracted to other superstitions?
Reciting prayers backwards is for if you take daemons in the sense
of Devil, which is not the usual understanding. But you are free to do
so: just make it a dependency. Not sure you'll find a ready-made package
though; but we know you're able to do it yourself :-)
Jokes apart, starting daemons in parallel is simply faster when you
have several cores. I do care booting fast.
Didier
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