Re: If Linux Is About Choice, Why Then ...
- Date: Mon, 10 Apr 2017 23:07:06 -0400
- From: Miles Fidelman <mfidelman@xxxxxxxxxxxxxxxx>
- Subject: Re: If Linux Is About Choice, Why Then ...
On 4/10/17 9:32 PM, Ric Moore wrote:
Funny thing, I don't hear folks who run clusters agitating for systemd -
perhaps the contrary. They want far more granular control of their
systems than some huge monolithic blob of code that doesn't always
behave as desired.
On 04/10/2017 09:37 AM, Greg Wooledge wrote:
Does that mean systemd is the ideal replacement? No. Systemd has these
overreaching tendrils in places it's got no business sticking tendrils.
Why does it have its own ntp daemon? Why does it implement file system
automount behavior? These things already exist as userspace processes.
Mature, trusted userspace processes, sometimes with multiple competing
But then on the other hand, what else would you use instead of systemd?
Nobody has proposed a superior alternative yet, that I've seen.
So, IMHO, the best thing to do is to use systemd, but don't use any of
its optional intrusive tendrils. Other people have other opinions, and
that's awesome. A healthy, vigorous competitive environment benefits
all of us.
If and when you start to manage a cluster, the need for those
"tendrils" become apparent. You will need autostart and auto-restart
features close to kernel level processes on node failures. SystemD
seems to foot that bill. Ric
In theory, there is no difference between theory and practice.
In practice, there is. .... Yogi Berra