10-15% iowait on kvm instances on Ubuntu 14.04

[William Van Hevelingen]

After upgrading to the 3.14 kernel our performance has returned to normal.
I've filed a bug on launchpad.


https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1344430


On Tue, Jul 15, 2014 at 1:44 PM, Sander Smeenk <ssmeenk at freshdot.net> wrote:

> Quoting William Van Hevelingen (wvan13 at gmail.com):
>
> > Did you upgrade just the hypervisor kernels or the instance kernels as
> well?
>
> I did everything, but someone at work had the same IO improvements just
> upgrading the hypervisor.
>
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-- 
Thanks,
William
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