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From: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: Linux Containers
	<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
	ccr-Gr7syQlKEaBFgBK04Mzu/R2eb7JE58TQ@public.gmane.org,
	Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Subject: Re: Checkpoint/Restart mini-summit
Date: Wed, 16 Jul 2008 21:27:29 -0500	[thread overview]
Message-ID: <20080717022729.GC21726@us.ibm.com> (raw)
In-Reply-To: <m1sku9zfhc.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>

Quoting Eric W. Biederman (ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org):
> "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> writes:
> 
> > Quoting Eric W. Biederman (ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org):
> >> "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> writes:
> >> 
> >> > Right, the whole point of Daniel including a 'reading list' was just so
> >> > that we can avoid wasting time discussing existing implementations.  So
> >> > he wasn't suggesting that we would be discussing those in detail, in
> >> > fact quite the opposite.
> >> 
> >> Right however he was suggesting we discuss how to implement it without
> >> agreeing on basic principles.  Maybe I'm wrong and all of the different
> >> development groups have a common idea of what needs to be done but
> >> I would be surprised if that were the case.
> >
> > IMO recent threads have clearly proven that you're right about basic
> > principles.  Question is what is the right level to start at first, and
> > how do we go about reaching concensus?  I.e. is the first question
> > whether we should do a fully in-kernel checkpoint and restart vs
> > entirely userspace vs a mix, or is there another place we should start?
> 
> Where all good kernel features start.  With the necessary mechanisms in
> the kernel and the policy in user space.
> 
> If we want to replay all of the user space actions to create the
> environment at the time of the checkpoint we already have all of the
> kernel support we need as the applications go to their current state
> using current system calls.
> 
> I think we want something a bit more efficient.
> 
> > It sounds like you have some good ideas in any case on where to start so
> > I'm glad you'll be there :)
> 
> 
> Will we have a white board or a large piece paper or something we can draw
> on and talk about?
> 
> Eric

Hi C.,

I'm sorry after all the emails I'm not straight on what we're actually
getting.  We have a U-shaped room, but do we have a blackboard or
whiteboard?  Is there a speakerphone?  Wireless or at least wired
internet?

thanks,
-serge

  parent reply	other threads:[~2008-07-17  2:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-15 10:49 Checkpoint/Restart mini-summit Daniel Lezcano
     [not found] ` <487C80C9.2040105-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-07-15 18:44   ` Eric W. Biederman
     [not found]     ` <m1prpfc7hj.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-16 15:15       ` Serge E. Hallyn
     [not found]         ` <20080716151530.GA26496-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-07-16 19:04           ` Eric W. Biederman
     [not found]             ` <m18ww14pm7.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-16 19:35               ` Serge E. Hallyn
     [not found]                 ` <20080716193538.GA28393-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-07-16 21:27                   ` Eric W. Biederman
     [not found]                     ` <m1sku9zfhc.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-17  2:27                       ` Serge E. Hallyn [this message]
     [not found]                         ` <20080717022729.GC21726-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-07-17  3:02                           ` C. Craig Ross
2008-07-17 16:15       ` Daniel Lezcano
2008-07-15 18:54   ` Eric W. Biederman
     [not found]     ` <m1lk03c71k.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-07-16 15:17       ` Serge E. Hallyn
     [not found]         ` <20080716151707.GB26496-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-07-16 15:26           ` Daniel Lezcano

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