From: Theodore Tso <tytso@mit.edu>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mike Galbraith <efault@gmx.de>, Vivek Goyal <vgoyal@redhat.com>,
Ulrich Lukas <stellplatz-nr.13a@datenparkplatz.de>,
linux-kernel@vger.kernel.org,
containers@lists.linux-foundation.org, dm-devel@redhat.com,
nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com,
mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it,
ryov@valinux.co.jp, fernando@oss.ntt.co.jp, jmoyer@redhat.com,
dhaval@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com,
righi.andrea@gmail.com, m-ikeda@ds.jp.nec.com, agk@redhat.com,
akpm@linux-foundation.org, peterz@infradead.org,
jmarchan@redhat.com, riel@redhat.com
Subject: Re: IO scheduler based IO controller V10
Date: Fri, 2 Oct 2009 14:36:49 -0400 [thread overview]
Message-ID: <20091002183649.GE8161@mit.edu> (raw)
In-Reply-To: <20091002180437.GL31616@kernel.dk>
On Fri, Oct 02, 2009 at 08:04:37PM +0200, Jens Axboe wrote:
> > i'd say 'latency' describes it even better. 'interactivity' as a term is
> > a bit overladen.
>
> I'm not too crazy about it either. How about just using 'desktop' since
> this is obviously what we are really targetting? 'latency' isn't fully
> descriptive either, since it may not necessarily provide the best single
> IO latency (noop would).
As Linus has already pointed out, it's not necessarily "desktop"
versus "server". There will be certain high frequency transaction
database workloads (for example) that will very much care about
latency. I think "low_latency" may be the best term to use.
- Ted
next prev parent reply other threads:[~2009-10-02 18:37 UTC|newest]
Thread overview: 190+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-24 19:25 IO scheduler based IO controller V10 Vivek Goyal
2009-09-24 19:25 ` [PATCH 01/28] io-controller: Documentation Vivek Goyal
2009-09-24 19:25 ` [PATCH 02/28] io-controller: Core of the elevator fair queuing Vivek Goyal
2009-09-24 19:25 ` [PATCH 03/28] io-controller: Keep a cache of recently expired queues Vivek Goyal
2009-09-24 19:25 ` [PATCH 04/28] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal
2009-09-24 19:25 ` [PATCH 05/28] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal
2009-09-24 19:25 ` [PATCH 06/28] io-controller: Core scheduler changes to support hierarhical scheduling Vivek Goyal
2009-09-24 19:25 ` [PATCH 07/28] io-controller: cgroup related changes for hierarchical group support Vivek Goyal
2009-09-24 19:25 ` [PATCH 08/28] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal
2009-09-24 19:25 ` [PATCH 09/28] io-controller: cfq changes to use " Vivek Goyal
2009-09-24 19:25 ` [PATCH 10/28] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal
2009-09-24 19:25 ` [PATCH 11/28] io-controller: Debug hierarchical IO scheduling Vivek Goyal
2009-09-24 19:25 ` [PATCH 12/28] io-controller: Introduce group idling Vivek Goyal
2009-09-24 19:25 ` [PATCH 13/28] io-controller: Implement wait busy for io queues Vivek Goyal
2009-09-24 19:25 ` [PATCH 14/28] io-controller: Keep track of late preemptions Vivek Goyal
2009-09-24 19:25 ` [PATCH 15/28] io-controller: Allow CFQ specific extra preemptions Vivek Goyal
2009-09-25 6:24 ` Gui Jianfeng
2009-09-24 19:25 ` [PATCH 16/28] io-controller: Wait for requests to complete from last queue before new queue is scheduled Vivek Goyal
2009-09-24 19:25 ` [PATCH 17/28] io-controller: Separate out queue and data Vivek Goyal
2009-09-24 19:25 ` [PATCH 18/28] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal
2009-09-24 19:25 ` [PATCH 19/28] io-controller: Avoid expiring ioq for single ioq scheduler if only root group Vivek Goyal
2009-09-24 19:25 ` [PATCH 20/28] io-controller: noop changes for hierarchical fair queuing Vivek Goyal
2009-09-24 19:25 ` [PATCH 21/28] io-controller: deadline " Vivek Goyal
2009-09-24 19:25 ` [PATCH 22/28] io-controller: anticipatory " Vivek Goyal
2009-09-24 19:25 ` [PATCH 23/28] io-controller: blkio_cgroup patches from Ryo to track async bios Vivek Goyal
2009-09-24 19:25 ` [PATCH 24/28] io-controller: map async requests to appropriate cgroup Vivek Goyal
2009-09-24 19:25 ` [PATCH 25/28] io-controller: Per cgroup request descriptor support Vivek Goyal
2009-09-24 19:25 ` [PATCH 26/28] io-controller: Per io group bdi congestion interface Vivek Goyal
2009-09-24 19:25 ` [PATCH 27/28] io-controller: Support per cgroup per device weights and io class Vivek Goyal
2009-09-24 19:25 ` [PATCH 28/28] io-controller: debug elevator fair queuing support Vivek Goyal
2009-09-24 21:33 ` IO scheduler based IO controller V10 Andrew Morton
2009-09-25 1:09 ` KAMEZAWA Hiroyuki
2009-09-25 1:18 ` KAMEZAWA Hiroyuki
2009-09-25 5:29 ` Balbir Singh
2009-09-25 7:09 ` Ryo Tsuruta
2009-09-25 4:14 ` Vivek Goyal
2009-09-25 5:04 ` Vivek Goyal
2009-09-25 9:07 ` Ryo Tsuruta
2009-09-25 14:33 ` Vivek Goyal
2009-09-28 7:30 ` Ryo Tsuruta
2009-09-25 15:04 ` Rik van Riel
2009-09-28 7:38 ` Ryo Tsuruta
2009-10-08 4:42 ` More performance numbers (Was: Re: IO scheduler based IO controller V10) Vivek Goyal
2009-10-08 8:34 ` Andrea Righi
2009-10-10 19:53 ` Performance numbers with IO throttling patches " Vivek Goyal
2009-10-10 22:27 ` Andrea Righi
2009-10-11 12:32 ` Vivek Goyal
2009-10-12 21:11 ` Vivek Goyal
2009-10-17 15:18 ` Andrea Righi
2009-09-25 2:20 ` IO scheduler based IO controller V10 Ulrich Lukas
2009-09-25 20:26 ` Vivek Goyal
2009-09-26 14:51 ` Mike Galbraith
2009-09-27 6:55 ` Mike Galbraith
2009-09-27 16:42 ` Jens Axboe
2009-09-27 18:15 ` Mike Galbraith
2009-09-28 4:04 ` Mike Galbraith
2009-09-28 5:55 ` Mike Galbraith
2009-09-28 17:48 ` Vivek Goyal
2009-09-28 18:24 ` Mike Galbraith
2009-09-30 19:58 ` Mike Galbraith
2009-09-30 20:05 ` Mike Galbraith
2009-09-30 20:24 ` Vivek Goyal
2009-10-01 7:33 ` Mike Galbraith
2009-10-01 18:58 ` Jens Axboe
2009-10-02 6:23 ` Mike Galbraith
2009-10-02 8:04 ` Jens Axboe
2009-10-02 8:53 ` Mike Galbraith
2009-10-02 9:00 ` Mike Galbraith
2009-10-02 9:55 ` Jens Axboe
2009-10-02 12:22 ` Mike Galbraith
2009-10-02 9:24 ` Ingo Molnar
2009-10-02 9:28 ` Jens Axboe
2009-10-02 14:24 ` Linus Torvalds
2009-10-02 14:45 ` Mike Galbraith
2009-10-02 14:57 ` Jens Axboe
2009-10-02 14:56 ` Jens Axboe
2009-10-02 15:14 ` Linus Torvalds
2009-10-02 16:01 ` jim owens
2009-10-02 17:11 ` Jens Axboe
2009-10-02 17:20 ` Ingo Molnar
2009-10-02 17:25 ` Jens Axboe
2009-10-02 17:28 ` Ingo Molnar
2009-10-02 17:37 ` Jens Axboe
2009-10-02 17:56 ` Ingo Molnar
2009-10-02 18:04 ` Jens Axboe
2009-10-02 18:22 ` Mike Galbraith
2009-10-02 18:26 ` Jens Axboe
2009-10-02 18:33 ` Mike Galbraith
2009-10-02 18:36 ` Theodore Tso [this message]
2009-10-02 18:45 ` Jens Axboe
2009-10-02 19:01 ` Ingo Molnar
2009-10-02 19:09 ` Jens Axboe
2009-10-02 18:13 ` Mike Galbraith
2009-10-02 18:19 ` Jens Axboe
2009-10-02 18:57 ` Mike Galbraith
2009-10-02 20:47 ` Mike Galbraith
2009-10-03 5:48 ` Mike Galbraith
2009-10-03 5:56 ` Mike Galbraith
2009-10-03 6:31 ` tweaking IO latency [was Re: IO scheduler based IO controller V10] Mike Galbraith
2009-10-03 7:24 ` IO scheduler based IO controller V10 Jens Axboe
2009-10-03 9:00 ` Mike Galbraith
2009-10-03 9:12 ` Corrado Zoccolo
2009-10-03 13:18 ` Jens Axboe
2009-10-03 13:17 ` Jens Axboe
2009-10-03 11:29 ` Vivek Goyal
2009-10-03 12:40 ` Do not overload dispatch queue (Was: Re: IO scheduler based IO controller V10) Vivek Goyal
2009-10-03 13:21 ` Jens Axboe
2009-10-03 13:56 ` Vivek Goyal
2009-10-03 14:02 ` Mike Galbraith
2009-10-03 14:28 ` Jens Axboe
2009-10-03 14:33 ` Mike Galbraith
2009-10-03 14:51 ` Mike Galbraith
2009-10-03 15:14 ` Jens Axboe
2009-10-03 15:57 ` Mike Galbraith
2009-10-03 17:35 ` Jens Axboe
2009-10-03 17:45 ` Linus Torvalds
2009-10-03 17:51 ` Jens Axboe
2009-10-03 19:07 ` Mike Galbraith
2009-10-03 19:11 ` Mike Galbraith
2009-10-03 19:23 ` Jens Axboe
2009-10-03 19:49 ` Mike Galbraith
2009-10-04 10:50 ` Mike Galbraith
2009-10-04 11:33 ` Mike Galbraith
2009-10-04 17:39 ` Jens Axboe
2009-10-04 18:23 ` Mike Galbraith
2009-10-04 18:38 ` Jens Axboe
2009-10-04 19:47 ` Mike Galbraith
2009-10-04 20:17 ` Jens Axboe
2009-10-04 22:15 ` Mike Galbraith
2009-10-03 13:57 ` Mike Galbraith
2009-10-03 7:20 ` IO scheduler based IO controller V10 Ingo Molnar
2009-10-03 7:25 ` Jens Axboe
2009-10-03 8:53 ` Mike Galbraith
2009-10-03 9:01 ` Corrado Zoccolo
2009-10-02 16:33 ` Ray Lee
2009-10-02 17:13 ` Jens Axboe
2009-10-02 16:22 ` Ingo Molnar
2009-10-02 9:36 ` Mike Galbraith
2009-10-02 16:37 ` Ingo Molnar
2009-10-02 18:08 ` Jens Axboe
2009-10-02 18:29 ` Mike Galbraith
2009-10-02 18:36 ` Jens Axboe
2009-09-27 17:00 ` Corrado Zoccolo
2009-09-28 14:56 ` Vivek Goyal
2009-09-28 15:35 ` Corrado Zoccolo
2009-09-28 17:14 ` Vivek Goyal
2009-09-29 7:10 ` Corrado Zoccolo
2009-09-28 17:51 ` Mike Galbraith
2009-09-28 18:18 ` Vivek Goyal
2009-09-28 18:53 ` Mike Galbraith
2009-09-29 7:14 ` Corrado Zoccolo
2009-09-29 5:55 ` Mike Galbraith
2009-09-29 0:37 ` Nauman Rafique
2009-09-29 3:22 ` Vivek Goyal
2009-09-29 9:56 ` Ryo Tsuruta
2009-09-29 10:49 ` Takuya Yoshikawa
2009-09-29 14:10 ` Vivek Goyal
2009-09-29 19:53 ` Nauman Rafique
2009-09-30 8:43 ` Ryo Tsuruta
2009-09-30 11:05 ` Vivek Goyal
2009-10-01 6:41 ` Ryo Tsuruta
2009-10-01 13:31 ` Vivek Goyal
2009-10-02 2:57 ` Vivek Goyal
2009-10-02 20:27 ` Munehiro Ikeda
2009-10-05 10:38 ` Ryo Tsuruta
2009-10-05 12:31 ` Vivek Goyal
2009-10-05 14:55 ` Ryo Tsuruta
2009-10-05 17:10 ` Vivek Goyal
2009-10-05 18:11 ` Nauman Rafique
2009-10-06 7:17 ` Ryo Tsuruta
2009-10-06 11:22 ` Vivek Goyal
2009-10-07 14:38 ` Ryo Tsuruta
2009-10-07 15:09 ` Vivek Goyal
2009-10-08 2:18 ` Ryo Tsuruta
2009-10-07 16:41 ` Rik van Riel
2009-10-08 10:22 ` Ryo Tsuruta
2009-09-30 3:11 ` Vivek Goyal
-- strict thread matches above, loose matches on Subject: below --
2009-10-02 10:55 Corrado Zoccolo
2009-10-02 11:04 ` Jens Axboe
2009-10-02 12:49 ` Vivek Goyal
2009-10-02 15:27 ` Corrado Zoccolo
2009-10-02 15:31 ` Vivek Goyal
2009-10-02 15:32 ` Mike Galbraith
2009-10-02 15:40 ` Vivek Goyal
2009-10-02 16:03 ` Mike Galbraith
2009-10-02 16:50 ` Valdis.Kletnieks
2009-10-02 19:58 ` Vivek Goyal
2009-10-02 22:14 ` Corrado Zoccolo
2009-10-02 22:27 ` Vivek Goyal
2009-10-03 12:43 ` Corrado Zoccolo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091002183649.GE8161@mit.edu \
--to=tytso@mit.edu \
--cc=agk@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=balbir@linux.vnet.ibm.com \
--cc=containers@lists.linux-foundation.org \
--cc=dhaval@linux.vnet.ibm.com \
--cc=dm-devel@redhat.com \
--cc=dpshah@google.com \
--cc=efault@gmx.de \
--cc=fchecconi@gmail.com \
--cc=fernando@oss.ntt.co.jp \
--cc=jens.axboe@oracle.com \
--cc=jmarchan@redhat.com \
--cc=jmoyer@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lizf@cn.fujitsu.com \
--cc=m-ikeda@ds.jp.nec.com \
--cc=mikew@google.com \
--cc=mingo@elte.hu \
--cc=nauman@google.com \
--cc=paolo.valente@unimore.it \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=righi.andrea@gmail.com \
--cc=ryov@valinux.co.jp \
--cc=stellplatz-nr.13a@datenparkplatz.de \
--cc=torvalds@linux-foundation.org \
--cc=vgoyal@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).