Re: [PATCH v2 0/4] Migration time prediction using calc-dirty-rate

[Peter Xu]

Hi, Andrei,

On Thu, Apr 27, 2023 at 03:42:56PM +0300, Andrei Gudkov via wrote:
> Afterwards we tried to migrate VM after randomly selecting max downtime
> and bandwidth limit. Typical prediction error is 6-7%, with only 180 out
> of 5779 experiments failing badly: prediction error >=25% or incorrectly
> predicting migration success when in fact it didn't converge.

What's the normal size of the VMs when you did the measurements?

A major challenge of convergence issues come from huge VMs and I'm
wondering whether those are covered in the prediction verifications.

Thanks,

-- 
Peter Xu