On 11 June 2015 at 12:37, Richard Raseley <rich...@raseley.com> wrote:
> Andrew Laski wrote: > >> There are many reasons a deployer may want to live-migrate instances >> around: capacity planning, security patching, noisy neighbors, host >> maintenance, etc... and I just don't think the user needs to know or >> care that it has taken place. >> > > They might care, insofar as live migrations will often cause performance > degradation from a users perspective. > Seconded. If your app manager is warned that you're going to be live migrating it can do something about the capacity drop. I can imagine cases where a migrating VM would be brutally murdered [1] and replaced because it's not delivering sufficient performance. -- Ian. [1] See "nova help brutally-murder"
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