Heavy I/O blocks FreeBSD box for several seconds
Pieter de Goeje
pieter at degoeje.nl
Sun Jul 24 19:46:47 UTC 2011
On Sunday 24 July 2011 20:50:14 Eduardo Morras wrote:
> At 01:15 08/07/2011, you wrote:
> >On Jul 7, 2011, at 3:51 PM, Hartmann, O. wrote:
> > > This is quibbling. On heavy loads on networ, disk et cetera,
> > isn't there always and also a CPU bound load?
> >No. Properly written software blocks when waiting on network or
> >disk I/O, and doesn't sit there spinning in a busy-wait consuming
> >CPU until it actually gets more work to do.
> >See select(2), kqueue(2), and friends.
> Excuse me, but where (which maillist) and when did this mail thread
> started? I have searched this maillist archive and freebsd-hackers
> but no success.
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