From: Peter Humphrey <prh@gotadsl.co.uk>
To: gentoo-amd64@lists.gentoo.org
Subject: Re: [gentoo-amd64] PORTAGE_NICENESS
Date: Sun, 17 Jun 2007 14:14:33 +0100 [thread overview]
Message-ID: <200706171414.33782.prh@gotadsl.co.uk> (raw)
In-Reply-To: <46750EBE.80209@thefreemanclan.net>
On Sunday 17 June 2007 11:36:46 Richard Freeman wrote:
> Peter Humphrey wrote:
> > The kernel includes three schedulers: anticipatory, deadline and (the
> > default) CFQ, whereas the author refers only to "old" and "new"
> > schedulers. I wonder which of the features he describes are common to
> > all three. I also wonder which kernel version introduced the "new"
> > scheduler. I have a reason for this interest, which I intend to
> > describe in a separate thread.
>
> Those are the IO schedulers. He was referring to the O(1) process
> scheduler. The former handles block device contention, the latter
> handles CPU contention. Both are important, but these days IO
> scheduling is more likely to be the source of slowness...
Ah. Thanks.
--
Rgds
Peter Humphrey
Linux Counter 5290, Aug 93
--
gentoo-amd64@gentoo.org mailing list
prev parent reply other threads:[~2007-06-18 18:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-14 17:44 [gentoo-amd64] PORTAGE_NICENESS Mark Knecht
2007-06-14 17:57 ` Hemmann, Volker Armin
2007-06-14 18:06 ` Mark Knecht
2007-06-14 18:22 ` Mike Doty
2007-06-14 19:14 ` Richard Freeman
2007-06-17 9:41 ` Peter Humphrey
2007-06-17 10:36 ` Richard Freeman
2007-06-17 13:14 ` Peter Humphrey [this message]
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