From: "Serge E. Hallyn" <serue@us.ibm.com>
To: Oren Laadan <orenl@cs.columbia.edu>
Cc: Daniel Lezcano <dlezcano@fr.ibm.com>,
Louis.Rilling@kerlabs.com, containers@lists.linux-foundation.org,
Dave Hansen <dave@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org, Andrey Mirkin <major@openvz.org>
Subject: Re: [PATCH 0/9] OpenVZ kernel based checkpointing/restart
Date: Mon, 20 Oct 2008 11:51:17 -0500 [thread overview]
Message-ID: <20081020165117.GA25885@us.ibm.com> (raw)
In-Reply-To: <48FCA97C.1040108@cs.columbia.edu>
Quoting Oren Laadan (orenl@cs.columbia.edu):
> This is a misconception: my patches are not "internal checkpoint". My
> patches are basically "external checkpoint" by design, which *also*
> accommodates self-checkpointing (aka internal). The same holds for the
> restart. The implementation is demonstrated with "self-checkpoint" to
> avoid complicating things at this early stage of proof-of-concept.
>
> For multiple processes all that is needed is a container and a loop
> on the checkpoint side, and a method to recreate processes on the
> restart side. Andrew suggests to do it in kernel space, I still have
> doubts.
Yes I still prefer in-kernel. Can you elaborate on advantages of doing
more work in userspace?
> While I held out the multi-process part of the patch so far because I
Yup, and i appreciate your restraint until now :) It made your patchset
much easier to review.
> was explicitly asked to do it, it seems like this would be a good time
> to push it out and get feedback.
Can you send that out as a patch(set) on top of your v7? I'd love to
see (and test) it.
thanks,
-serge
next prev parent reply other threads:[~2008-10-20 16:51 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-03 10:57 [PATCH 0/9] OpenVZ kernel based checkpointing/restart Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 10:57 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Andrey Mirkin
[not found] ` <1220439476-16465-2-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 2/9] Make checkpoint/restart functionality modular Andrey Mirkin
2008-09-03 11:44 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Cedric Le Goater
2008-09-03 10:57 ` [PATCH 2/9] Make checkpoint/restart functionality modular Andrey Mirkin
[not found] ` <1220439476-16465-3-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 3/9] Introduce context structure needed during checkpointing/restart Andrey Mirkin
2008-09-03 14:27 ` [PATCH 2/9] Make checkpoint/restart functionality modular Serge E. Hallyn
2008-09-03 10:57 ` [PATCH 3/9] Introduce context structure needed during checkpointing/restart Andrey Mirkin
2008-09-03 10:57 ` [PATCH 4/9] Introduce container dump function Andrey Mirkin
[not found] ` <1220439476-16465-5-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 5/9] Introduce function to dump process Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
[not found] ` <1220439476-16465-6-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 6/9] Introduce functions to dump mm Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
[not found] ` <1220439476-16465-7-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 7/9] Introduce function for restarting a container Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
[not found] ` <1220439476-16465-8-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 8/9] Introduce functions to restart a process Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 14:32 ` Louis Rilling
2008-09-13 17:34 ` Pavel Machek
[not found] ` <20080903143248.GU14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-13 17:34 ` Pavel Machek
[not found] ` <1220439476-16465-9-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` [PATCH 9/9] Introduce functions to restore mm Andrey Mirkin
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 14:32 ` [PATCH 8/9] Introduce functions to restart a process Louis Rilling
2008-09-03 14:17 ` [PATCH 6/9] Introduce functions to dump mm Louis Rilling
2008-09-03 14:17 ` Louis Rilling
2008-09-03 14:23 ` [PATCH 4/9] Introduce container dump function Serge E. Hallyn
2008-09-03 14:23 ` Serge E. Hallyn
[not found] ` <20080903142308.GB13425-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:45 ` Andrey Mirkin
2008-09-03 14:45 ` Andrey Mirkin
[not found] ` <1220439476-16465-4-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 12:29 ` [PATCH 3/9] Introduce context structure needed during checkpointing/restart Matthieu Fertré
2008-09-03 12:29 ` Matthieu Fertré
[not found] ` <48BE8315.6030907-7Ky3UMAtGjA@public.gmane.org>
2008-09-03 14:11 ` Andrey Mirkin
2008-09-03 14:11 ` Andrey Mirkin
2008-09-03 13:56 ` Louis Rilling
2008-09-03 14:13 ` Cedric Le Goater
2008-09-03 13:56 ` Louis Rilling
[not found] ` <20080903135616.GR14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-03 14:07 ` Andrey Mirkin
2008-09-03 14:07 ` Andrey Mirkin
2008-09-03 14:13 ` Cedric Le Goater
[not found] ` <48BE9B74.7010600-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:29 ` Andrey Mirkin
2008-09-03 14:29 ` Andrey Mirkin
2008-09-03 14:27 ` [PATCH 2/9] Make checkpoint/restart functionality modular Serge E. Hallyn
[not found] ` <20080903142720.GC13425-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:51 ` Andrey Mirkin
2008-09-03 14:51 ` Andrey Mirkin
2008-09-03 11:44 ` [PATCH 1/9] Introduce trivial sys_checkpoint and sys_restore system calls Cedric Le Goater
2008-09-03 13:05 ` [Devel] " Andrey Mirkin
[not found] ` <48BE7885.3070609-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 13:05 ` Andrey Mirkin
[not found] ` <1220439476-16465-1-git-send-email-major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-03 10:57 ` Andrey Mirkin
2008-09-03 12:28 ` [PATCH 0/9] OpenVZ kernel based checkpointing/restart Cedric Le Goater
2008-09-03 13:49 ` Louis Rilling
2008-09-04 8:14 ` Oren Laadan
2008-09-04 14:05 ` Dave Hansen
2008-10-17 23:33 ` Dave Hansen
2008-09-03 12:28 ` Cedric Le Goater
[not found] ` <48BE82F9.4020808-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 13:59 ` [Devel] " Andrey Mirkin
2008-09-03 14:18 ` Serge E. Hallyn
2008-09-03 13:59 ` [Devel] " Andrey Mirkin
2008-09-04 22:55 ` Dave Hansen
[not found] ` <200809031759.29132.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-09-04 22:55 ` Dave Hansen
2008-09-03 14:18 ` Serge E. Hallyn
2008-09-03 13:49 ` Louis Rilling
2008-09-03 14:06 ` Louis Rilling
2008-09-03 14:19 ` Andrey Mirkin
[not found] ` <20080903140636.GS14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-03 14:19 ` Andrey Mirkin
2008-09-03 14:26 ` Cedric Le Goater
2008-09-03 14:26 ` Cedric Le Goater
[not found] ` <48BE9E95.3020706-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-09-03 14:53 ` Andrey Mirkin
2008-09-03 14:53 ` Andrey Mirkin
[not found] ` <20080903134951.GQ14473-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-09-03 14:06 ` Louis Rilling
2008-09-04 8:14 ` Oren Laadan
2008-09-04 14:05 ` Dave Hansen
2008-10-17 23:33 ` Dave Hansen
2008-10-20 11:10 ` Louis Rilling
2008-10-20 11:10 ` Louis Rilling
[not found] ` <20081020111002.GQ15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-20 13:25 ` Daniel Lezcano
2008-10-20 16:36 ` Dave Hansen
2008-10-20 13:25 ` Daniel Lezcano
[not found] ` <48FC86B2.8000606-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-20 13:48 ` Cedric Le Goater
2008-10-20 13:48 ` Cedric Le Goater
[not found] ` <48FC8C30.6040409-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-20 13:49 ` Daniel Lezcano
2008-10-20 13:49 ` Daniel Lezcano
2008-10-20 15:53 ` Oren Laadan
2008-10-20 15:53 ` Oren Laadan
[not found] ` <48FCA97C.1040108-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-20 16:37 ` Daniel Lezcano
2008-10-20 16:37 ` Daniel Lezcano
[not found] ` <48FCB3CC.9030804-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-10-20 17:23 ` Serge E. Hallyn
2008-10-20 17:23 ` Serge E. Hallyn
2008-10-21 0:18 ` Oren Laadan
2008-10-21 0:58 ` Serge E. Hallyn
[not found] ` <48FD1FBC.5050408-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-21 0:58 ` Serge E. Hallyn
2008-10-21 13:24 ` Daniel Lezcano
2008-10-21 13:24 ` Daniel Lezcano
[not found] ` <20081020172358.GA29092-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-10-21 0:18 ` Oren Laadan
2008-10-27 14:45 ` [Devel] " Andrey Mirkin
2008-10-27 14:45 ` Andrey Mirkin
2008-10-20 16:51 ` Serge E. Hallyn
2008-10-21 9:36 ` Cedric Le Goater
2008-10-20 16:51 ` Serge E. Hallyn [this message]
2008-10-21 9:36 ` Cedric Le Goater
2008-10-20 16:36 ` Dave Hansen
2008-10-20 12:14 ` [Devel] " Andrey Mirkin
2008-10-20 15:55 ` Dave Hansen
2008-10-27 14:07 ` Andrey Mirkin
2008-10-27 14:39 ` Oren Laadan
2008-10-30 6:02 ` Andrey Mirkin
2008-10-30 11:47 ` Louis Rilling
2008-10-30 17:08 ` Dave Hansen
2008-10-30 18:01 ` Louis Rilling
2008-10-30 18:28 ` Oren Laadan
[not found] ` <20081030180133.GN15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-30 18:28 ` Oren Laadan
2008-10-30 18:01 ` Louis Rilling
[not found] ` <20081030114747.GL15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-30 17:08 ` Dave Hansen
2008-10-30 17:45 ` Oren Laadan
2008-10-30 17:45 ` Oren Laadan
[not found] ` <4909F2B5.7040907-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-30 18:14 ` Louis Rilling
2008-10-30 18:14 ` Louis Rilling
[not found] ` <20081030181418.GO15171-Hu8+6S1rdjywhHL9vcZdMVaTQe2KTcn/@public.gmane.org>
2008-10-30 18:32 ` Oren Laadan
2008-10-30 18:32 ` Oren Laadan
[not found] ` <4909FDD3.5090806-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-31 10:37 ` Louis Rilling
2008-10-31 10:37 ` Louis Rilling
2008-10-30 14:08 ` Serge E. Hallyn
[not found] ` <200810300902.47067.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-30 11:47 ` Louis Rilling
2008-10-30 14:08 ` Serge E. Hallyn
2008-10-30 17:03 ` Dave Hansen
2008-10-30 17:03 ` Dave Hansen
[not found] ` <4905D2AD.1070309-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-30 6:02 ` Andrey Mirkin
2008-11-03 19:35 ` Oren Laadan
[not found] ` <200810271707.13580.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-27 14:39 ` Oren Laadan
2008-11-03 19:35 ` Oren Laadan
2008-10-27 14:07 ` Andrey Mirkin
2008-10-20 17:17 ` Oren Laadan
[not found] ` <48FCBD24.7070902-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>
2008-10-27 14:38 ` Andrey Mirkin
2008-10-27 14:38 ` Andrey Mirkin
[not found] ` <200810201614.36911.major-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2008-10-20 15:55 ` Dave Hansen
2008-10-20 17:17 ` Oren Laadan
2008-10-20 12:14 ` Andrey Mirkin
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