Hello everyone,
so basically this is a tradeoff between not having a long latency for
the migration to succeed and reducing the total network traffic (and
CPU load) in the migration source and destination and reducing the
memory footprint a bit, by adding an initial latency to the memory
accesses
On Wed, Aug 10, 2011 at 04:55:32PM +0300, Avi Kivity wrote:
> On 08/09/2011 05:33 AM, Isaku Yamahata wrote:
>> On Mon, Aug 08, 2011 at 03:38:54PM +0300, Avi Kivity wrote:
>> > On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
>> >> This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
>> >
On 08/09/2011 05:33 AM, Isaku Yamahata wrote:
On Mon, Aug 08, 2011 at 03:38:54PM +0300, Avi Kivity wrote:
> On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
>> This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
>> on which we'll give a talk at KVM-forum.
>> The purpose of this mail
On Mon, Aug 08, 2011 at 03:38:54PM +0300, Avi Kivity wrote:
> On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
>> This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
>> on which we'll give a talk at KVM-forum.
>> The purpose of this mail is to letting developers know it in advance
>> so t
On Mon, Aug 08, 2011 at 10:47:09PM +0300, Dor Laor wrote:
> On 08/08/2011 06:59 PM, Anthony Liguori wrote:
>> On 08/08/2011 10:36 AM, Avi Kivity wrote:
>>> On 08/08/2011 06:29 PM, Anthony Liguori wrote:
>>> - Efficient, reduce needed traffic no need to re-send pages.
>>
>> It's not
On 08/08/2011 04:40 AM, Yaniv Kaul wrote:
On 08/08/2011 12:20, Dor Laor wrote:
On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
Design/Implementation
=
The basic idea of postcopy livemigration is to use a sort of distributed
shared memory between the migration source and dest
On 08/08/2011 06:59 PM, Anthony Liguori wrote:
On 08/08/2011 10:36 AM, Avi Kivity wrote:
On 08/08/2011 06:29 PM, Anthony Liguori wrote:
- Efficient, reduce needed traffic no need to re-send pages.
It's not quite that simple. Post-copy needs to introduce a protocol
capable of requesting page
On 08/08/2011 10:36 AM, Avi Kivity wrote:
On 08/08/2011 06:29 PM, Anthony Liguori wrote:
- Efficient, reduce needed traffic no need to re-send pages.
It's not quite that simple. Post-copy needs to introduce a protocol
capable of requesting pages.
Just another subsection.. (kidding), still
On 08/08/2011 11:52 AM, Cleber Rosa wrote:
On 08/08/2011 07:47 AM, Dor Laor wrote:
On 08/08/2011 01:59 PM, Nadav Har'El wrote:
* What's is postcopy livemigration
It is is yet another live migration mechanism for Qemu/KVM, which
implements the migration technique known as "postcopy" or "lazy"
mi
On 08/08/2011 07:47 AM, Dor Laor wrote:
On 08/08/2011 01:59 PM, Nadav Har'El wrote:
* What's is postcopy livemigration
It is is yet another live migration mechanism for Qemu/KVM, which
implements the migration technique known as "postcopy" or "lazy"
migration. Just after the "migrate" command is
On 08/08/2011 06:29 PM, Anthony Liguori wrote:
- Efficient, reduce needed traffic no need to re-send pages.
It's not quite that simple. Post-copy needs to introduce a protocol
capable of requesting pages.
Just another subsection.. (kidding), still it shouldn't be too
complicated, just an of
On 08/08/2011 10:11 AM, Dor Laor wrote:
On 08/08/2011 03:32 PM, Anthony Liguori wrote:
On 08/08/2011 04:20 AM, Dor Laor wrote:
That's terrific (nice video also)!
Orit and myself had the exact same idea too (now we can't patent it..).
Advantages:
- No down time due to memory copying.
But non
On 08/08/2011 03:32 PM, Anthony Liguori wrote:
On 08/08/2011 04:20 AM, Dor Laor wrote:
On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
on which we'll give a talk at KVM-forum.
The purpose of this mail is to letting developers know i
On 08/08/2011 04:20 AM, Dor Laor wrote:
On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
on which we'll give a talk at KVM-forum.
The purpose of this mail is to letting developers know it in advance
so that we can get better feedback
On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
on which we'll give a talk at KVM-forum.
The purpose of this mail is to letting developers know it in advance
so that we can get better feedback on its design/implementation approach
ear
On 08/08/2011 01:59 PM, Nadav Har'El wrote:
* What's is postcopy livemigration
It is is yet another live migration mechanism for Qemu/KVM, which
implements the migration technique known as "postcopy" or "lazy"
migration. Just after the "migrate" command is invoked, the execution
host of a VM is i
> >* What's is postcopy livemigration
> >It is is yet another live migration mechanism for Qemu/KVM, which
> >implements the migration technique known as "postcopy" or "lazy"
> >migration. Just after the "migrate" command is invoked, the execution
> >host of a VM is instantaneously switched to a de
On Mon, Aug 08, 2011 at 10:38:35AM +0100, Stefan Hajnoczi wrote:
> On Mon, Aug 8, 2011 at 4:24 AM, Isaku Yamahata wrote:
> > This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
> > on which we'll give a talk at KVM-forum.
>
> I'm curious if this approach is compatible with asynchrono
On 08/08/2011 12:20, Dor Laor wrote:
On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
on which we'll give a talk at KVM-forum.
The purpose of this mail is to letting developers know it in advance
so that we can get better feedback on
On Mon, Aug 8, 2011 at 4:24 AM, Isaku Yamahata wrote:
> This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
> on which we'll give a talk at KVM-forum.
I'm curious if this approach is compatible with asynchronous page
faults? The idea there was to tell the guest about a page fault so
On 08/08/2011 06:24 AM, Isaku Yamahata wrote:
This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
on which we'll give a talk at KVM-forum.
The purpose of this mail is to letting developers know it in advance
so that we can get better feedback on its design/implementation approach
ear
This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
on which we'll give a talk at KVM-forum.
The purpose of this mail is to letting developers know it in advance
so that we can get better feedback on its design/implementation approach
early before our starting to implement it.
Backgr
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