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Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction [message #6612 is a reply to message #6584]

Wed, 20 September 2006 18:34

Chandra Seetharaman is currently offline

Chandra Seetharaman
Messages: 88
Registered: August 2006

Member

On Wed, 2006-09-20 at 09:25 -0700, Christoph Lameter wrote:
> On Tue, 19 Sep 2006, Rohit Seth wrote:
>
> > For example, a user can run a batch job like backup inside containers.
> > This job if run unconstrained could step over most of the memory present
> > in system thus impacting other workloads running on the system at that
> > time. But when the same job is run inside containers then the backup
> > job is run within container limits.
>
> I just saw this for the first time since linux-mm was not cced. We have
> discussed a similar mechanism on linux-mm.
>
> We already have such a functionality in the kernel its called a cpuset. A

Christoph,

There had been multiple discussions in the past (as recent as Aug 18,
2006), where we (Paul and CKRM/RG folks) have concluded that cpuset and
resource management are orthogonal features.

cpuset provides "resource isolation", and what we, the resource
management guys want is work-conserving resource control.

cpuset partitions resource and hence the resource that are assigned to a
node is not available for other cpuset, which is not good for "resource
management".

chandra
PS:
Aug 18 link: http://marc.theaimsgroup.com/?l=linux-
kernel&m=115593114408336&w=2

Feb 2005 thread: http://marc.theaimsgroup.com/?l=ckrm-
tech&m=110790400330617&w=2
> container could be created simply by creating a fake node that then
> allows constraining applications to this node. We already track the
> types of pages per node. The statistics you want are already existing.
> See /proc/zoneinfo and /sys/devices/system/node/node*/*.
>
> > We use the term container to indicate a structure against which we track
> > and charge utilization of system resources like memory, tasks etc for a
> > workload. Containers will allow system admins to customize the
> > underlying platform for different applications based on their
> > performance and HW resource utilization needs. Containers contain
> > enough infrastructure to allow optimal resource utilization without
> > bogging down rest of the kernel. A system admin should be able to
> > create, manage and free containers easily.
>
> Right thats what cpusets do and it has been working fine for years. Maybe
> Paul can help you if you find anything missing in the existing means to
> control resources.
>
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Chandra Seetharaman | Be careful what you choose....
- sekharan@us.ibm.com | .......you may get it.
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[Message index]

		[patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 02:16
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 05:39
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 16:27
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 16:26
		Re: [patch00/05]: Containers(V2)- Introduction By: Cedric Le Goater on Wed, 20 September 2006 13:06
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 16:45
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 16:48
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 17:07
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 16:56
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:08
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 17:19
		Re: [patch00/05]: Containers(V2)- Introduction By: Alan Cox on Wed, 20 September 2006 17:16
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 17:00
		Re: [patch00/05]: Containers(V2)- Introduction By: Alan Cox on Wed, 20 September 2006 17:12
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 17:30
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 17:50
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:52
		Re: [patch00/05]: Containers(V2)- Introduction By: Peter Zijlstra on Wed, 20 September 2006 18:06
		Re: [patch00/05]: Containers(V2)- Introduction By: Peter Zijlstra on Wed, 20 September 2006 18:37
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Wed, 20 September 2006 17:23
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 16:25
		Re: [patch00/05]: Containers(V2)- Introduction By: Alan Cox on Wed, 20 September 2006 17:10
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:15
		Re: [patch00/05]: Containers(V2)- Introduction By: Alan Cox on Wed, 20 September 2006 17:24
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:35
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 23:29
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 23:18
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Wed, 20 September 2006 17:30
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 17:26
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:38
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 18:07
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 19:51
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 20:06
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 22:58
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 23:02
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 23:33
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 23:36
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 23:39
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 23:51
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Thu, 21 September 2006 00:05
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Thu, 21 September 2006 00:09
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 23:26
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 23:31
		Re: [Lhms-devel] [patch00/05]: Containers(V2)- Introduction By: KAMEZAWA Hiroyuki on Thu, 21 September 2006 00:47
		Re: [Lhms-devel] [patch00/05]: Containers(V2)- Introduction By: KAMEZAWA Hiroyuki on Thu, 21 September 2006 01:29
		Re: [ckrm-tech] [Lhms-devel] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Thu, 21 September 2006 01:36
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Wed, 20 September 2006 17:42
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 22:51
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 23:01
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 23:22
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 23:45
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Wed, 20 September 2006 17:37
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Chandra Seetharaman on Wed, 20 September 2006 18:34
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 19:52
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Chandra Seetharaman on Thu, 21 September 2006 00:31
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Thu, 21 September 2006 00:36
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Thu, 21 September 2006 00:42
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Wed, 20 September 2006 18:43
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Chandra Seetharaman on Wed, 20 September 2006 19:09
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 16:44
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:12
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 22:27
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 22:59
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 17:30
		Re: [patch00/05]: Containers(V2)- Introduction By: Nick Piggin on Wed, 20 September 2006 18:03
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 18:14
		Re: [patch00/05]: Containers(V2)- Introduction By: Peter Zijlstra on Wed, 20 September 2006 18:27
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 18:38
		Re: [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 20 September 2006 18:57
		Re: [patch00/05]: Containers(V2)- Introduction By: Paul Jackson on Wed, 20 September 2006 19:48
		Re: [patch00/05]: Containers(V2)- Introduction By: Christoph Lameter on Wed, 20 September 2006 19:48
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Paul Menage on Wed, 20 September 2006 19:51
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Chandra Seetharaman on Wed, 27 September 2006 19:50
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Wed, 27 September 2006 21:28
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Chandra Seetharaman on Wed, 27 September 2006 22:24
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Balbir Singh on Thu, 28 September 2006 08:01
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Thu, 28 September 2006 18:31
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Balbir Singh on Thu, 28 September 2006 21:53
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Fri, 29 September 2006 00:22
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Thu, 28 September 2006 18:12
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Chandra Seetharaman on Thu, 28 September 2006 20:23
		Re: [ckrm-tech] [patch00/05]: Containers(V2)- Introduction By: Rohit Seth on Thu, 28 September 2006 21:38

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