[Xen-users] Dynamically assign Hardware Resources

[Dominik Klein <dk@xxxxxxxxxxxxxxxx>]

Hi xen-users

from what I understood, RAM and the number of CPUs cannot be increased 
for a running guest, but decreased and re-increased later.
So in order to have some headroom later, I want to assign (ie) 2 VCPUs 
and 512 MB of RAM in the config file, but reduce those settings to 1 
VCPU and 256 MB at boot time. So if the machine requires more power, I 
can assign more RAM or one more VCPU later.
So what I'm thinking about is writing a startup script in order to do 
this if nothing like that is available yet. Another thing I want to 
integrate is to set sched-credit weight and cap at boot time.
It would be even nicer to have this in xm, but unfortunately, I am not a 
C-programmer myself.
Any thoughts/wishes about what else one might want to
do with such a script?

Regards
Dominik

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