Linked by Dennis Heuer on Wed 25th Aug 2010 22:23 UTC
Linux I came across a news entry at Phoronix about a new init replacement, systemd, and curiously started a read into the surprisingly heavy matter. Systemd is by no means as simple as upstart. It does far more things far more straight and in more detail. The differences are so significant that they enforce quite different configuration strategies. One can argue for both, depending on the goal to reach. However, that's not what I want to write about. After having read what systemd is capable of, and how it does it, I began to put the existence of all system daemons - in their today's forms - in question.
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Bill Shooter of Bul
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But init already does the sequencing correctly, in a linear fashion. That's not too difficult at all.

But linear is slow. We have muli core cpu's now. Booting would be faster if we loaded things in parallel. Ok, but what can we load parallel to what, and what has to remain serialized? That's the complexity of the sequencing. its complex due to the parallelization which is due to the need for speed.

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