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Re: Container Test Campaign [message #3888 is a reply to message #3871]

Thu, 22 June 2006 21:51

Cedric Le Goater
Messages: 443
Registered: February 2006

Senior Member

Hi marc !

Marc E. Fiuczynski wrote:

> You mention that testing isolation properties is more of an extra than an
> immediate criteria. Based on our experience, this actually is a fairly
> important criteria. Without decent isolation (both from a namespace and
> resource perspective) it is rather difficult to support lots of concurrent
> users. As our paper states, we run anywhere from 30-90 vservers per machine
> (each machine usually with a 2GHz processor and 1GB of RAM).

is that a common setup for planet lab or a maximum ? how many vservers/
vcontext do you think we should try to reach ?

> We are interested in checkpoint/restart too, but have nothing to test /
> contribute. I've forwarded your message to Jason Nieh @ Columbia. He has a
> relatively long history of working in that area. I saw a demo of their
> checkpoint/restart/migration support last December (live video migrated
> between servers within a single IBM blade system).

we've worked a few years with a zap guy. I only wished they were bit more
open (source) about what they've been doing since crak.

> Their latest paper
> published at USENIX LISA also states that they can migrate from one linux
> kernel version to another. This enables "live" system upgrade, which IMHO
> is just as important as load balancing.

this feature is one the *major* features of mobile containers but it will
require specific kernel APIs to make it maintainable on the long term.

> Another area we are quite interested in is "network virtualization" (private
> route tables, ip tables, etc). We are aware that other container based
> systems (e.g., openvz) have support for this, but we (i.e., PlanetLab) are
> pretty much a vserver shop at the moment. We added our own support to
> safely share a single, public IPv4 address between multiple containers,
> while simultaneously support raw sockets etc. This is an absolute
> requirement for PlanetLab, and I'd argue (but not here) that it also is
> important for desktop usage scenarios that involve containers and want to
> avoid the use of NAT.

Did you contribute that feature to vserver ?

So you have different containers exposing the same IP address ? How do you
assign incoming packets to a container ?

thanks,

C.

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[Message index]

		Container Test Campaign By: Clement Calmels on Wed, 07 June 2006 14:20
		RE: Container Test Campaign By: mef on Wed, 21 June 2006 19:25
		Re: Container Test Campaign By: serue on Thu, 22 June 2006 11:31
		Re: Container Test Campaign By: Sam Vilain on Thu, 22 June 2006 23:39
		Re: Container Test Campaign By: Cedric Le Goater on Thu, 22 June 2006 21:51
		RE: Container Test Campaign By: mef on Fri, 23 June 2006 07:40
		Re: Container Test Campaign By: Mark Huang on Fri, 23 June 2006 17:31
		RE: Container Test Campaign By: mef on Mon, 26 June 2006 08:57
		RE: Container Test Campaign By: mef on Wed, 21 June 2006 19:25
		RE: Container Test Campaign By: Clement Calmels on Thu, 22 June 2006 16:33
		Re: Container Test Campaign By: Cedric Le Goater on Thu, 22 June 2006 21:39
		Re: Container Test Campaign By: Sam Vilain on Fri, 23 June 2006 03:40
		RE: Container Test Campaign By: mef on Fri, 23 June 2006 07:40
		Re: Container Test Campaign By: Sam Vilain on Sun, 25 June 2006 22:00
		Re: Container Test Campaign By: serue on Thu, 22 June 2006 11:33
		Re: Container Test Campaign By: Clement Calmels on Fri, 30 June 2006 17:28
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Sun, 02 July 2006 15:32
		Re: [Vserver] Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 11:10
		Re: [Vserver] Re: Container Test Campaign By: dev on Tue, 04 July 2006 14:32
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Tue, 04 July 2006 15:28
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Wed, 05 July 2006 12:13
		Re: Container Test Campaign By: Kirill Korotaev on Mon, 03 July 2006 07:49
		RE: Container Test Campaign By: mef on Mon, 03 July 2006 18:23
		Re: Container Test Campaign By: kir on Mon, 03 July 2006 08:14
		Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 09:42
		Re: [Vserver] Re: Container Test Campaign By: kir on Tue, 04 July 2006 12:19
		Re: [Vserver] Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 13:54
		Re: [Vserver] Re: Container Test Campaign By: kir on Tue, 04 July 2006 14:52
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Tue, 04 July 2006 15:45
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Wed, 05 July 2006 14:02
		Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 12:34
		Re: Container Test Campaign By: Clement Calmels on Tue, 04 July 2006 13:02
		Re: [Vserver] Re: Container Test Campaign By: kir on Tue, 04 July 2006 16:30
		Re: [Vserver] Re: Container Test Campaign By: Clement Calmels on Wed, 05 July 2006 07:40
		Re: [Vserver] Re: Container Test Campaign By: kir on Wed, 05 July 2006 08:34
		Re: [Vserver] Re: Container Test Campaign By: dev on Wed, 05 July 2006 10:43
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Wed, 05 July 2006 13:06
		Re: [Vserver] Re: Container Test Campaign By: Gerrit Huizenga on Wed, 05 July 2006 22:37
		Re: [Vserver] Re: Container Test Campaign By: dev on Thu, 06 July 2006 10:44
		Re: [Vserver] Re: Container Test Campaign By: Gerrit Huizenga on Thu, 06 July 2006 14:12
		Re: [Vserver] Re: Container Test Campaign By: dev on Mon, 10 July 2006 08:16
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Thu, 06 July 2006 10:54
		Re: [Vserver] Re: Container Test Campaign By: Cedric Le Goater on Wed, 05 July 2006 12:31
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Thu, 06 July 2006 10:51
		Re: [Vserver] Re: Container Test Campaign By: dev on Thu, 06 July 2006 11:30
		Container Test Campaign By: Clement Calmels on Tue, 11 July 2006 08:45
		Re: Container Test Campaign By: Kirill Korotaev on Tue, 11 July 2006 09:18
		Re: Container Test Campaign By: Clement Calmels on Wed, 12 July 2006 16:31
		Re: [Vserver] Re: Container Test Campaign By: Herbert Poetzl on Thu, 13 July 2006 02:07

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