linux-kernel - Re: CFQ will be the new default IO scheduler

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20060724082916.GB24299@merlin.emma.line.org>
Date:	Mon, 24 Jul 2006 10:29:16 +0200
From:	Matthias Andree <matthias.andree@....de>
To:	Paa Paa <paapaa125@...mail.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: CFQ will be the new default IO scheduler - why?

On Sun, 23 Jul 2006, Paa Paa wrote:

> The default IO scheduler in 2.6.18 will be CFQ (Complete Fair Queuing) 
> instead of AS (Anticipatory Scheduler) as described here: 
> http://wiki.kernelnewbies.org/Linux_2_6_18. I tried to find (here, at lkml) 
> the discussion about this change with no luck.

That wiki document nicely shows the advantage of the scheduler, namely
that you have "ionice", which isn't possible for AS or Deadline
Schedulers - this allows the operating system to run processes like
updatedb with "nice I/O", meaning these hold when you're doing other
I/O.

-- 
Matthias Andree
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/