Gentoo Archives: gentoo-user

From: Florian Philipp <lists@××××××××××××××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Best way to improve interactivity with heavy disk activity?
Date: Sun, 28 Nov 2010 21:38:05
Message-Id: 4CF2CB4C.30400@f_philipp.fastmail.net
In Reply to: Re: [gentoo-user] Re: Best way to improve interactivity with heavy disk activity? by App Deb
1 Am 28.11.2010 19:53, schrieb App Deb:
2 > On Sun, Nov 28, 2010 at 7:39 PM, walt <w41ter@×××××.com> wrote:
3 >
4 >> I'm confused about which of all these various mechanisms apply to single-cpu
5 >> machines. AFAICT Con's BFS (e.g.) is really a CPU scheduler and doesn't
6 >> affect
7 >> single-cpu machines very much. What about CFQ and group scheduling?
8 >> Others?
9 >>
10 >> Thanks for any clues.
11 >
12 > Don't mix them,
13 >
14 > CFS --> upstream official CPU scheduler (also supports cgroups, that
15 > got used in the 200line patch, which is useless imo)
16 > CFQ --> upstream official I/O (disk) scheduler (afaik the only one
17 > that supports "ionice")
18 >
19
20 CFQ also supports cgroup related I/O scheduling. Enable option
21 CFQ_GROUP_IOSCHED.

Attachments

File name MIME type
signature.asc application/pgp-signature