On Fri, 5 Aug 2022 at 10:28, Ignazio Cassano <ignaziocassano@gmail.com> wrote:
>
> why when I do the first migration from A to B it takes 20 minutes and then, when I migrate from B to A it takes few seconds.
> I wonder if after the first migration memory is reorganized.
> In the first live migration it lost time to get memory pages ?

Just curious. Did you try migrating the same instance again after
that, i.e. again from A to B. Is it still fast or is it slow again?
Does it only happen with long-running instances?

-yoctozepto