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Re: [RFC] Virtualization steps [message #2275 is a reply to message #2206]

Tue, 28 March 2006 04:28

Bill Davidsen
Messages: 4
Registered: March 2006

Junior Member

Dave Hansen wrote:
> On Sat, 2006-03-25 at 04:33 +1100, Nick Piggin wrote:
>> Oh, after you come to an agreement and start posting patches, can you
>> also outline why we want this in the kernel (what it does that low
>> level virtualization doesn't, etc, etc)
>
> Can you wait for an OLS paper? ;)
>
> I'll summarize it this way: low-level virtualization uses resource
> inefficiently.
>
> With this higher-level stuff, you get to share all of the Linux caching,
> and can do things like sharing libraries pretty naturally.
>
> They are also much lighter-weight to create and destroy than full
> virtual machines. We were planning on doing some performance
> comparisons versus some hypervisors like Xen and the ppc64 one to show
> scaling with the number of virtualized instances. Creating 100 of these
> Linux containers is as easy as a couple of shell scripts, but we still
> can't find anybody crazy enough to go create 100 Xen VMs.

But these require a modified O/S, do they not? Or do I read that
incorrectly? Is this going to be real virtualization able to run any O/S?

Frankly I don't see running 100 VMs as a realistic goal, being able to
run Linux, Windows, Solaris and BEOS unmodified in 4-5 VMs would be far
more useful.
>
> Anyway, those are the things that came to my mind first. I'm sure the
> others involved have their own motivations.
>
> -- Dave
>

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[Message index]

		[RFC] Virtualization steps By: dev on Fri, 24 March 2006 17:19
		Re: [RFC] Virtualization steps By: Nick Piggin on Fri, 24 March 2006 17:33
		Re: [RFC] Virtualization steps By: Dave Hansen on Fri, 24 March 2006 19:25
		Re: [RFC] Virtualization steps By: ebiederm on Fri, 24 March 2006 19:53
		Re: [RFC] Virtualization steps By: Bill Davidsen on Tue, 28 March 2006 04:28
		Re: Re: [RFC] Virtualization steps By: kir on Tue, 28 March 2006 06:45
		Re: Re: [RFC] Virtualization steps By: Sam Vilain on Tue, 28 March 2006 21:59
		Re: Re: [RFC] Virtualization steps By: Kir Kolyshkin on Tue, 28 March 2006 22:24
		Re: Re: [RFC] Virtualization steps By: Sam Vilain on Tue, 28 March 2006 23:28
		Re: Re: [RFC] Virtualization steps By: Kirill Korotaev on Wed, 29 March 2006 09:13
		Re: Re: [RFC] Virtualization steps By: Sam Vilain on Wed, 29 March 2006 11:08
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Wed, 29 March 2006 13:45
		Re: Re: [RFC] Virtualization steps By: dev on Wed, 29 March 2006 14:47
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Wed, 29 March 2006 17:29
		Re: Re: [RFC] Virtualization steps By: Sam Vilain on Wed, 29 March 2006 21:37
		Re: Re: [RFC] Virtualization steps By: dev on Wed, 12 April 2006 08:22
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Thu, 13 April 2006 01:05
		Re: Re: [RFC] Virtualization steps By: Kirill Korotaev on Thu, 13 April 2006 06:45
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Thu, 13 April 2006 13:42
		Re: Re: [RFC] Virtualization steps By: Cedric Le Goater on Thu, 13 April 2006 21:33
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Thu, 13 April 2006 22:45
		Re: Re: [RFC] Virtualization steps By: dev on Fri, 14 April 2006 07:35
		Re: Re: [RFC] Virtualization steps By: Cedric Le Goater on Fri, 14 April 2006 09:56
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Sat, 15 April 2006 19:29
		Re: Re: [RFC] Virtualization steps By: kir on Thu, 13 April 2006 22:51
		Re: Re: [RFC] Virtualization steps By: Cedric Le Goater on Fri, 14 April 2006 10:08
		Re: Re: [RFC] Virtualization steps By: Herbert Poetzl on Sat, 15 April 2006 19:31
		Re: [RFC] Virtualization steps By: dev on Tue, 28 March 2006 09:00
		Re: [RFC] Virtualization steps By: Bill Davidsen on Tue, 28 March 2006 14:38
		Re: [RFC] Virtualization steps By: ebiederm on Tue, 28 March 2006 15:03
		Re: [RFC] Virtualization steps By: Jeff Dike on Tue, 28 March 2006 17:47
		Re: [RFC] Virtualization steps By: Sam Vilain on Tue, 28 March 2006 23:07
		Re: [RFC] Virtualization steps By: Bill Davidsen on Wed, 29 March 2006 20:56
		Re: Re: [RFC] Virtualization steps By: Jun OKAJIMA on Tue, 28 March 2006 20:26
		Re: Re: [RFC] Virtualization steps By: kir on Tue, 28 March 2006 20:50
		Re: Re: [RFC] Virtualization steps By: Jun OKAJIMA on Tue, 28 March 2006 21:35
		Re: Re: [RFC] Virtualization steps By: ebiederm on Tue, 28 March 2006 21:51
		Re: Re: [RFC] Virtualization steps By: Sam Vilain on Tue, 28 March 2006 23:17
		Re: [RFC] Virtualization steps By: dev on Tue, 28 March 2006 09:02
		Re: [RFC] Virtualization steps By: Nick Piggin on Tue, 28 March 2006 09:15
		Re: [RFC] Virtualization steps By: Herbert Poetzl on Tue, 28 March 2006 15:35
		Re: [RFC] Virtualization steps By: ebiederm on Tue, 28 March 2006 16:31
		Re: [RFC] Virtualization steps By: Nick Piggin on Tue, 28 March 2006 15:53
		Re: [RFC] Virtualization steps By: Bill Davidsen on Wed, 29 March 2006 21:37
		Re: [RFC] Virtualization steps By: ebiederm on Tue, 28 March 2006 16:15
		Re: [RFC] Virtualization steps By: dev on Wed, 29 March 2006 01:39
		Re: [RFC] Virtualization steps By: Herbert Poetzl on Wed, 29 March 2006 13:47
		Re: Re: [RFC] Virtualization steps By: TheWiseOne on Tue, 28 March 2006 15:48
		Re: Re: [RFC] Virtualization steps By: ebiederm on Tue, 28 March 2006 16:42
		Re: Re: [RFC] Virtualization steps By: TheWiseOne on Tue, 28 March 2006 17:04
		Re: Re: [RFC] Virtualization steps By: Kirill Korotaev on Wed, 29 March 2006 00:55
		Re: [RFC] Virtualization steps By: ebiederm on Fri, 24 March 2006 18:36
		Re: [RFC] Virtualization steps By: Herbert Poetzl on Fri, 24 March 2006 21:19
		Re: [RFC] Virtualization steps By: ebiederm on Mon, 27 March 2006 18:45
		Re: [RFC] Virtualization steps By: dev on Tue, 28 March 2006 08:51
		Re: [RFC] Virtualization steps By: serue on Tue, 28 March 2006 12:53
		Re: [RFC] Virtualization steps By: Sam Vilain on Tue, 28 March 2006 22:50
		Re: [RFC] Virtualization steps By: Dave Hansen on Wed, 29 March 2006 20:30
		Re: [RFC] Virtualization steps By: ebiederm on Wed, 29 March 2006 20:47
		Re: [RFC] Virtualization steps By: Sam Vilain on Wed, 29 March 2006 22:44
		Re: [RFC] Virtualization steps By: dev on Thu, 30 March 2006 13:51
		Re: [RFC] Virtualization steps By: ebiederm on Tue, 28 March 2006 21:58

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