On 11/28/2016 05:44 PM, Patrick Schleizer wrote:
Would setting
/etc/sysctl.d/swaplow.conf
vm.swappiness=0
in Qubes by default make sense?
If not effective at all, why is it not required?
Cheers,
Patrick
I think it would depend on the processing profile of your software. If
the system loads a lot of seldom-executed code and data, then default or
higher swappiness may be a benefit. But a leaner system would call for
lower values.
Of course, there is a difference between dom0 and domU swapping... the
latter is much slower.
What is a mystery to me is how the interplay between buffers and swap is
accounted for in Qubes memory management. When memory is full (according
to Xen) the way demand/supply plays out appears suboptimal.
Chris
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