Heavy I/O blocks FreeBSD box for several seconds

Eduardo Morras nec556 at retena.com
Sun Jul 24 19:02:35 UTC 2011

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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