* Peter Lieven ([email protected]) wrote: > Am 19.09.2017 um 16:38 schrieb Dr. David Alan Gilbert: > > * Peter Lieven ([email protected]) wrote: > > > Hi, > > > > > > I just noticed that CPU throttling and Block Migration don't work > > > together very well. > > > During block migration the throttling heuristic detects that we obviously > > > make no progress > > > in ram transfer. But the reason is the running block migration and not a > > > too high dirty pages rate. > > > > > > The result is that any VM is throttled by 99% during block migration. > > Hmm that's unfortunate; do you have a bandwidth set lower than your > > actual network connection? I'm just wondering if it's actually going > > between the block and RAM iterative sections or getting stuck in ne. > > It happens also if source and dest are on the same machine and speed is set > to 100G.
But does it happen if they're not and the speed is set low? Dave > Peter > -- Dr. David Alan Gilbert / [email protected] / Manchester, UK
