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From: Paolo Valente <paolo.valente@unimore.it>
To: Nauman Rafique <nauman@google.com>
Cc: Fabio Checconi <fchecconi@gmail.com>,
Li Zefan <lizf@cn.fujitsu.com>, Vivek Goyal <vgoyal@redhat.com>,
Divyesh Shah <dpshah@google.com>,
Ryo Tsuruta <ryov@valinux.co.jp>,
linux-kernel@vger.kernel.org,
containers@lists.linux-foundation.org,
virtualization@lists.linux-foundation.org, jens.axboe@oracle.com,
taka@valinux.co.jp, righi.andrea@gmail.com,
s-uchida@ap.jp.nec.com, fernando@oss.ntt.co.jp,
balbir@linux.vnet.ibm.com, akpm@linux-foundation.org,
menage@google.com, ngupta@google.com, riel@redhat.com,
jmoyer@redhat.com, peterz@infradead.org
Subject: Re: [patch 0/4] [RFC] Another proportional weight IO controller
Date: Wed, 19 Nov 2008 08:09:22 +0100 [thread overview]
Message-ID: <4923BBA2.1070609@unimore.it> (raw)
In-Reply-To: <e98e18940811181433o4bb5a147i1e0b9c1baf495ae2@mail.gmail.com>
Nauman Rafique ha scritto:
>
>
> I think "time only budget" vs "sector budget" is dependent on the
> definition of fairness: do you want to be fair in the time that is
> given to each cgroup or fair in total number of sectors transferred.
> And the appropriate definition of fairness depends on how/where the IO
> scheduler is used. ...
>
>
Just a general note: as Fabio already said, switching back to time
budgets in BFQ would be (conceptually) straightforward.
However, we will never get fairness in bandwidth distribution if we work
(only) in the time domain.
--
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| Algogroup | |
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next prev parent reply other threads:[~2008-11-19 7:54 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-06 15:30 vgoyal
2008-11-06 15:30 ` [patch 1/4] io controller: documentation vgoyal
2008-11-07 2:32 ` KAMEZAWA Hiroyuki
2008-11-07 14:27 ` Vivek Goyal
2008-11-10 2:48 ` Li Zefan
2008-11-10 13:44 ` Vivek Goyal
2008-11-06 15:30 ` [patch 2/4] io controller: biocgroup implementation vgoyal
2008-11-07 2:50 ` KAMEZAWA Hiroyuki
2008-11-07 4:19 ` Hirokazu Takahashi
2008-11-07 14:44 ` Vivek Goyal
2008-11-06 15:30 ` [patch 3/4] io controller: Core IO controller implementation logic vgoyal
2008-11-07 3:21 ` KAMEZAWA Hiroyuki
2008-11-07 14:50 ` Vivek Goyal
2008-11-08 2:35 ` [patch 3/4] io controller: Core IO controller implementationlogic KAMEZAWA Hiroyuki
2008-11-11 8:50 ` [patch 3/4] io controller: Core IO controller implementation logic Gui Jianfeng
2008-11-06 15:30 ` [patch 4/4] io controller: Put IO controller to use in device mapper and standard make_request() function vgoyal
2008-11-06 15:49 ` [patch 0/4] [RFC] Another proportional weight IO controller Peter Zijlstra
2008-11-06 16:01 ` Vivek Goyal
2008-11-06 16:16 ` Peter Zijlstra
2008-11-06 16:39 ` Vivek Goyal
2008-11-06 16:52 ` Peter Zijlstra
2008-11-06 16:57 ` Rik van Riel
2008-11-06 17:11 ` Peter Zijlstra
2008-11-07 0:41 ` Dave Chinner
2008-11-07 10:31 ` Peter Zijlstra
2008-11-09 9:40 ` Dave Chinner
2008-11-06 17:08 ` Vivek Goyal
2008-11-06 23:07 ` Nauman Rafique
2008-11-07 14:19 ` Vivek Goyal
2008-11-07 21:36 ` Nauman Rafique
2008-11-10 14:11 ` Vivek Goyal
2008-11-11 19:55 ` Nauman Rafique
2008-11-11 22:30 ` Vivek Goyal
2008-11-12 21:20 ` Nauman Rafique
2008-11-13 13:49 ` Fabio Checconi
2008-11-13 18:08 ` Vivek Goyal
2008-11-13 19:15 ` Fabio Checconi
2008-11-13 22:27 ` Nauman Rafique
2008-11-13 23:10 ` Fabio Checconi
2008-11-14 4:58 ` Satoshi UCHIDA
2008-11-14 8:02 ` Peter Zijlstra
2008-11-14 10:06 ` Satoshi UCHIDA
2008-11-06 16:47 ` Rik van Riel
2008-11-07 2:36 ` Gui Jianfeng
2008-11-07 13:38 ` Vivek Goyal
2008-11-13 9:05 ` Ryo Tsuruta
2008-11-13 15:58 ` Vivek Goyal
2008-11-13 18:41 ` Divyesh Shah
2008-11-13 21:46 ` Vivek Goyal
2008-11-13 22:57 ` Divyesh Shah
2008-11-14 16:05 ` Vivek Goyal
2008-11-14 22:44 ` Nauman Rafique
2008-11-17 14:23 ` Vivek Goyal
2008-11-18 2:02 ` Li Zefan
2008-11-18 5:01 ` Nauman Rafique
2008-11-18 7:42 ` Li Zefan
2008-11-18 22:23 ` Nauman Rafique
2008-11-18 12:05 ` Fabio Checconi
2008-11-18 14:07 ` Vivek Goyal
2008-11-18 14:41 ` Fabio Checconi
2008-11-18 19:12 ` Jens Axboe
2008-11-18 19:47 ` Vivek Goyal
2008-11-18 21:14 ` Fabio Checconi
2008-11-19 1:52 ` Aaron Carroll
2008-11-19 10:17 ` Fabio Checconi
2008-11-19 11:06 ` Fabio Checconi
2008-11-20 4:45 ` Aaron Carroll
2008-11-20 6:56 ` Fabio Checconi
2008-11-19 14:30 ` Jens Axboe
2008-11-19 15:52 ` Fabio Checconi
2008-11-18 23:07 ` Nauman Rafique
2008-11-19 14:24 ` Jens Axboe
2008-11-20 0:12 ` Divyesh Shah
2008-11-20 8:16 ` Jens Axboe
2008-11-20 13:40 ` Vivek Goyal
2008-11-20 19:54 ` Nauman Rafique
2008-11-20 21:15 ` Vivek Goyal
2008-11-20 22:42 ` Nauman Rafique
2008-11-21 15:22 ` Vivek Goyal
2008-11-26 6:40 ` Fernando Luis Vázquez Cao
2008-11-26 15:18 ` Vivek Goyal
2008-11-20 21:31 ` Vivek Goyal
2008-11-21 3:05 ` Fabio Checconi
2008-11-21 14:58 ` Vivek Goyal
2008-11-21 15:21 ` Fabio Checconi
2008-11-18 22:33 ` Nauman Rafique
2008-11-18 23:44 ` Fabio Checconi
2008-11-19 7:09 ` Paolo Valente [this message]
2008-11-13 22:13 ` Vivek Goyal
2008-11-20 9:20 ` Ryo Tsuruta
2008-11-20 13:47 ` Vivek Goyal
2008-11-25 2:33 ` Ryo Tsuruta
2008-11-25 16:27 ` Vivek Goyal
2008-11-25 22:38 ` Nauman Rafique
2008-11-26 14:06 ` Paolo Valente
2008-11-26 19:41 ` Nauman Rafique
2008-11-26 22:21 ` Fabio Checconi
2008-11-26 11:55 ` Fernando Luis Vázquez Cao
2008-11-26 12:47 ` Ryo Tsuruta
2008-11-26 16:08 ` Vivek Goyal
2008-11-27 8:43 ` Fernando Luis Vázquez Cao
2008-11-28 3:09 ` Ryo Tsuruta
2008-11-28 13:33 ` Ryo Tsuruta
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