On Aug 5, 2008, at 9:23 AM, Dave Hansen wrote:
How would you propose making it modular?
Dave,
What about re-using the madvise() interface for this? Adding a flag
along the lines of MADV_DONTCHECKPOINT? I could probably work up a
patch to Oren's that removes these from the checkpointed
On Aug 5, 2008, at 9:20 AM, Oren Laadan wrote:
Louis Rilling wrote:
On Mon, Aug 04, 2008 at 08:51:37PM -0700, Joseph Ruscio wrote:
As somewhat of a tangent to this discussion, I've been giving some
thought to the general strategy we talked about during the summit.
The
checkpointing
On Fri, 2008-08-08 at 10:20 -0700, Joseph Ruscio wrote:
On Aug 5, 2008, at 9:23 AM, Dave Hansen wrote:
How would you propose making it modular?
What about re-using the madvise() interface for this? Adding a flag
along the lines of MADV_DONTCHECKPOINT? I could probably work up a
patch to
On Wed, Aug 06, 2008 at 08:41:10AM -0700, Joseph Ruscio wrote:
On Aug 5, 2008, at 9:20 AM, Oren Laadan wrote:
Eh... and, yes, live migration :)
User-space live migration of a batch process e.g. one taking place in
an MPI job is quite trivial. User-space live migration of something like
a
On Wed, Aug 06, 2008 at 09:15:46AM -0700, Joseph Ruscio wrote:
On Aug 5, 2008, at 9:23 AM, Dave Hansen wrote:
On Mon, 2008-08-04 at 20:51 -0700, Joseph Ruscio wrote:
It might be desirable for the checkpointing implementation to be
modular enough that a userspace application or library could
On Mon, Aug 04, 2008 at 08:51:37PM -0700, Joseph Ruscio wrote:
As somewhat of a tangent to this discussion, I've been giving some
thought to the general strategy we talked about during the summit. The
checkpointing solution we built at Evergrid sits completely in userspace
and is soley
On Mon, Aug 04, 2008 at 10:37:20PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Fri, Aug 01, 2008 at 02:51:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Fri, Aug 01, 2008 at 10:15:26AM -0400, Oren Laadan wrote:
I actually wasn't thinking of streaming a series of incremental
Louis Rilling wrote:
On Mon, Aug 04, 2008 at 08:51:37PM -0700, Joseph Ruscio wrote:
As somewhat of a tangent to this discussion, I've been giving some
thought to the general strategy we talked about during the summit. The
checkpointing solution we built at Evergrid sits completely in
On Mon, 2008-08-04 at 20:51 -0700, Joseph Ruscio wrote:
It might be desirable for the checkpointing implementation to be
modular enough that a userspace application or library could select to
handle certain resources on their own. Memory is the primary one that
comes to mind.
How would
On Fri, Aug 01, 2008 at 02:51:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Fri, Aug 01, 2008 at 10:15:26AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 03:12:32PM -0400, Oren Laadan wrote:
Cut the less interesting (IMHO at least) history to make Dave
Louis Rilling wrote:
On Fri, Aug 01, 2008 at 02:51:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Fri, Aug 01, 2008 at 10:15:26AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 03:12:32PM -0400, Oren Laadan wrote:
Cut the less interesting (IMHO at least)
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 03:12:32PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 12:28:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 11:09:54AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Wed, Jul 30, 2008
On Thu, Jul 31, 2008 at 03:12:32PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 12:28:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 11:09:54AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Wed, Jul 30, 2008 at 06:20:32PM -0400,
On Wed, Jul 30, 2008 at 02:27:52PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
+/**
+ * cr_vma_fill_pgarr - fill a page-array with addr/page tuples for a vma
+ * @ctx - checkpoint context
+ * @pgarr - page-array to fill
+ * @vma - vma to scan
+ * @start - start address
On Thu, Jul 31, 2008 at 12:28:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 11:09:54AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Wed, Jul 30, 2008 at 06:20:32PM -0400, Oren Laadan wrote:
Serge E. Hallyn wrote:
Quoting Oren Laadan ([EMAIL PROTECTED]):
Louis Rilling wrote:
On Fri, Aug 01, 2008 at 10:15:26AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 03:12:32PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 12:28:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008
Quoting Louis Rilling ([EMAIL PROTECTED]):
On Wed, Jul 30, 2008 at 10:40:35AM -0700, Dave Hansen wrote:
On Wed, 2008-07-30 at 11:52 -0500, Serge E. Hallyn wrote:
This list is getting on my nerves. Louis, I'm sorry the threading
is going to get messed up.
I think I just cleared
Louis Rilling wrote:
On Wed, Jul 30, 2008 at 02:27:52PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
+/**
+ * cr_vma_fill_pgarr - fill a page-array with addr/page tuples for a vma
+ * @ctx - checkpoint context
+ * @pgarr - page-array to fill
+ * @vma - vma to scan
+ * @start - start
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 11:09:54AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Wed, Jul 30, 2008 at 06:20:32PM -0400, Oren Laadan wrote:
Serge E. Hallyn wrote:
Quoting Oren Laadan ([EMAIL PROTECTED]):
+int do_checkpoint(struct cr_ctx *ctx)
+{
+int ret;
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 12:28:57PM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Thu, Jul 31, 2008 at 11:09:54AM -0400, Oren Laadan wrote:
Louis Rilling wrote:
On Wed, Jul 30, 2008 at 06:20:32PM -0400, Oren Laadan wrote:
Serge E. Hallyn wrote:
Quoting Oren Laadan
Quoting Oren Laadan ([EMAIL PROTECTED]):
Serge E. Hallyn wrote:
Quoting Oren Laadan ([EMAIL PROTECTED]):
+int do_checkpoint(struct cr_ctx *ctx)
+{
+ int ret;
+
+ /* FIX: need to test whether container is checkpointable */
+
+ ret = cr_write_hdr(ctx);
+ if (!ret)
+
This list is getting on my nerves. Louis, I'm sorry the threading
is going to get messed up.
- Forwarded message from [EMAIL PROTECTED] -
Subject: Content filtered message notification
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Date: Wed, 30 Jul 2008 09:16:12 -0700
The attached
On Wed, 2008-07-30 at 11:52 -0500, Serge E. Hallyn wrote:
This list is getting on my nerves. Louis, I'm sorry the threading
is going to get messed up.
I think I just cleared out the mime type filtering.
-- Dave
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KOSAKI Motohiro wrote:
Hi
Expand the template sys_checkpoint and sys_restart to be able to dump
and restore a single task. The task's address space may consist of only
private, simple vma's - anonymous or file-mapped.
This big patch adds a mechanism to transfer data between kernel or
Louis Rilling wrote:
Hi Oren,
On Tue, Jul 29, 2008 at 11:27:17PM -0400, Oren Laadan wrote:
Expand the template sys_checkpoint and sys_restart to be able to dump
and restore a single task. The task's address space may consist of only
private, simple vma's - anonymous or file-mapped.
This
Quoting Oren Laadan ([EMAIL PROTECTED]):
+int do_checkpoint(struct cr_ctx *ctx)
+{
+ int ret;
+
+ /* FIX: need to test whether container is checkpointable */
+
+ ret = cr_write_hdr(ctx);
+ if (!ret)
+ ret = cr_write_task(ctx, current);
+ if (!ret)
+
Serge E. Hallyn wrote:
Quoting Oren Laadan ([EMAIL PROTECTED]):
+int do_checkpoint(struct cr_ctx *ctx)
+{
+int ret;
+
+/* FIX: need to test whether container is checkpointable */
+
+ret = cr_write_hdr(ctx);
+if (!ret)
+ret = cr_write_task(ctx, current);
+
On Tue, 2008-07-29 at 23:27 -0400, Oren Laadan wrote:
Expand the template sys_checkpoint and sys_restart to be able to dump
and restore a single task. The task's address space may consist of only
private, simple vma's - anonymous or file-mapped.
So, can we all agree that this is a good
Hi
Expand the template sys_checkpoint and sys_restart to be able to dump
and restore a single task. The task's address space may consist of only
private, simple vma's - anonymous or file-mapped.
This big patch adds a mechanism to transfer data between kernel or user
space to and from the
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