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VM online resize of CPU/Memory

KVM supports online resize of CPU/memory, but GCE only supports offline resizing.

Online resizing of number of CPUs and memory would be very helpful to be able to handle (rare or frequently recurring) spikes for relational database workloads, where a couple of minutes of downtime to resize would not be an option.

Autoscaling based on system load would of course be a bonus, but is not initially required, as it is easily to script this in any case.

That a VM would have to be live migrated to scale up is completely acceptable IMO.

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Marcus Kempe shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →
under review  ·  Paul Nash responded  · 

Thanks for the suggestion, this is something we’d certainly like to investigate in the future.

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