Are there any reasons NOT changing kern.hz from the
default 1000 back to 100? With my typical mix of
desktop apps (EPIA) and networking / server (Soekris),
everything seems to be running just as smoothly with
100 Hz than with 1000 Hz (testing now for two weeks
without problems). Even playing videos with mplayer
on the EPIA doesn't look different in any way.
Is it okay to stay with 100 Hz with this type of
low-speed CPU/boards? Or are there some compelling
reasons not to?
Actually, many Unix systems ran with HZ=100 until a few years ago, about when
Gb ethernet and CPUs became common. A slower machine like the EPIA boxes do
quite well with HZ=100/200/250 or so...HZ=1000 is better if you have a fast
box running lots of concurrent processes, and/or are proxying or routing
network traffic where the difference between 10 ms and 1ms of latency adds up
and/or effects other systems.
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