From: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Andrea Righi <righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: randy.dunlap-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org,
axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
ngupta-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
fernando-gVGce1chcLdL9jVzuh4AOg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Carl Henrik Lunde
<chlunde-om2ZC0WAoZIXWF+eFR7m5Q@public.gmane.org>,
dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
matt-cT2on/YLNlBWk0Htik3J/w@public.gmane.org,
Divyesh Shah <dpshah-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
roberto-5KDOxZqKugI@public.gmane.org,
agk-9JcytcrH/bA+uJoB2kUjGw@public.gmane.org,
Marco Innocenti
<m.innocenti-qooieK91W7JeoWH0uzbU5w@public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Paul Menage <menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
subrata-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org,
eric.rannaud-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
Balbir Singh
<balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Subject: Re: [RFC][PATCH -mm 0/5] cgroup: block device i/o controller (v9)
Date: Tue, 2 Sep 2008 14:06:20 -0400 [thread overview]
Message-ID: <20080902180620.GE15847@redhat.com> (raw)
In-Reply-To: <1219853257-11052-1-git-send-email-righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Wed, Aug 27, 2008 at 06:07:32PM +0200, Andrea Righi wrote:
>
> The objective of the i/o controller is to improve i/o performance
> predictability of different cgroups sharing the same block devices.
>
> Respect to other priority/weight-based solutions the approach used by this
> controller is to explicitly choke applications' requests that directly (or
> indirectly) generate i/o activity in the system.
>
Hi Andrea,
I was checking out the pass discussion on this topic and there seemed to
be two kind of people. One who wanted to control max bandwidth and other
who liked proportional bandwidth approach (dm-ioband folks).
I was just wondering, is it possible to have both the approaches and let
users decide at run time which one do they want to use (something like
the way users can choose io schedulers).
Thanks
Vivek
WARNING: multiple messages have this Message-ID (diff)
From: Vivek Goyal <vgoyal@redhat.com>
To: Andrea Righi <righi.andrea@gmail.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
Paul Menage <menage@google.com>,
randy.dunlap@oracle.com, Carl Henrik Lunde <chlunde@ping.uio.no>,
Divyesh Shah <dpshah@google.com>,
eric.rannaud@gmail.com, fernando@oss.ntt.co.jp,
akpm@linux-foundation.org, agk@sourceware.org,
subrata@linux.vnet.ibm.com, axboe@kernel.dk,
Marco Innocenti <m.innocenti@cineca.it>,
containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, dave@linux.vnet.ibm.com,
matt@bluehost.com, roberto@unbit.it, ngupta@google.com
Subject: Re: [RFC][PATCH -mm 0/5] cgroup: block device i/o controller (v9)
Date: Tue, 2 Sep 2008 14:06:20 -0400 [thread overview]
Message-ID: <20080902180620.GE15847@redhat.com> (raw)
In-Reply-To: <1219853257-11052-1-git-send-email-righi.andrea@gmail.com>
On Wed, Aug 27, 2008 at 06:07:32PM +0200, Andrea Righi wrote:
>
> The objective of the i/o controller is to improve i/o performance
> predictability of different cgroups sharing the same block devices.
>
> Respect to other priority/weight-based solutions the approach used by this
> controller is to explicitly choke applications' requests that directly (or
> indirectly) generate i/o activity in the system.
>
Hi Andrea,
I was checking out the pass discussion on this topic and there seemed to
be two kind of people. One who wanted to control max bandwidth and other
who liked proportional bandwidth approach (dm-ioband folks).
I was just wondering, is it possible to have both the approaches and let
users decide at run time which one do they want to use (something like
the way users can choose io schedulers).
Thanks
Vivek
next prev parent reply other threads:[~2008-09-02 18:06 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-27 16:07 [RFC][PATCH -mm 0/5] cgroup: block device i/o controller (v9) Andrea Righi
2008-09-17 7:18 ` Hirokazu Takahashi
2008-09-17 8:47 ` Andrea Righi
2008-09-18 11:24 ` Hirokazu Takahashi
[not found] ` <20080918.202416.120249186.taka-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
2008-09-18 14:37 ` Andrea Righi
2008-09-18 14:37 ` Andrea Righi
[not found] ` <48D0C43A.2010102-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-09-18 11:24 ` Hirokazu Takahashi
2008-09-18 13:55 ` Vivek Goyal
2008-09-18 13:55 ` Vivek Goyal
[not found] ` <20080918135513.GE20640-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-09-18 14:54 ` Andrea Righi
2008-09-18 14:54 ` Andrea Righi
[not found] ` <20080917.161811.27257227.taka-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
2008-09-17 8:47 ` Andrea Righi
[not found] ` <1219853257-11052-1-git-send-email-righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-09-02 18:06 ` Vivek Goyal [this message]
2008-09-02 18:06 ` Vivek Goyal
2008-09-02 20:50 ` Andrea Righi
[not found] ` <48BDA704.9040000-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-09-02 21:41 ` Vivek Goyal
2008-09-02 21:41 ` Vivek Goyal
[not found] ` <20080902214146.GA3382-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-09-05 15:59 ` Vivek Goyal
2008-09-05 15:59 ` Vivek Goyal
2008-09-05 17:38 ` Andrea Righi
[not found] ` <20080905155944.GF13742-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-09-05 17:38 ` Andrea Righi
[not found] ` <20080902180620.GE15847-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-09-02 20:50 ` Andrea Righi
2008-09-17 7:18 ` Hirokazu Takahashi
2008-09-17 9:04 ` Takuya Yoshikawa
2008-09-17 9:04 ` Takuya Yoshikawa
2008-09-17 9:42 ` Andrea Righi
[not found] ` <48D0C800.30207-gVGce1chcLdL9jVzuh4AOg@public.gmane.org>
2008-09-17 9:42 ` Andrea Righi
2008-09-17 10:08 ` Andrea Righi
2008-09-17 10:08 ` Andrea Righi
-- strict thread matches above, loose matches on Subject: below --
2008-08-27 16:07 Andrea Righi
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