Re: Heavy I/O blocks FreeBSD box for several seconds

From: Chuck Swiger <cswiger_at_mac.com>
Date: Thu, 07 Jul 2011 16:15:54 -0700
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.

Regards,
-- 
-Chuck
Received on Thu Jul 07 2011 - 21:17:57 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:15 UTC