Re: [PATCH v3 6/8] admin: Add theory of operation for write recording commands

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, Nov 17, 2023 at 09:14:21AM +0000, Parav Pandit wrote:
> 
> 
> > From: Michael S. Tsirkin <mst@redhat.com>
> > Sent: Friday, November 17, 2023 2:16 PM
> > In any case you can safely assume that many users will have migration that takes
> > seconds and minutes.
> 
> Strange, but ok. I don't see any problem with current method.
> 8MB is used for very large VM of 1TB takes minutes. Should be fine.

The problem is simple: vendors selling devices have no idea how large
the VM will be. So you have to over-provision for the max VM size.
If there was a way to instead allocate that in host memory, that
would improve on this.

-- 
MST