feature request: automatic managing of cpu and memory allocation

[qtpie]

Hi,

I'd like to do a feature request: automatic managing of cpu and memory
allocation to VMs. Recently after some troubleshooting a problem with a
VM turned out to be a lack of allocated CPU cores. On some reflection I
think this is one thing where Qubes could be more user friendly. The
goal of qubes is security, not being able to manually manage the
resource use of applications. So VMs should as a standard have all the
resources they need and a user should not have to think about this.
Resource management should be optional, maybe not even in the GUI but in
the terminal.

Is this technically feasible and do people agree?

[bo0od]

Increase things manually to your needs, automatic according to VM needs
sound like disaster as one VM will take the needed resources from the
whole machine available RAM/CPU meaning it might kill it and there will
be security concerns about that. Thats my opinion.



qtpie:

[Marek Marczykowski-Górecki]

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There is automatic memory management already (up to maxmem limit set in VM
settings). CPU time is also allocated according to VM needs - the fact
that VMs have 2 cores by default, doesn't mean those are reserved for
this VM exclusively. So, it is already managed dynamically, up to a
certain limit that prevents a single VM from exhausting all the host
resources (as bo0od already said).
Both settings are available through GUI, so if you have some
legitimate application that is particularly resource intensive, it's
easy to adjust those limits. On the other hand, if it's just web browser
always using all the memory you have, you probably want to keep it
limited, otherwise you won't be able to do anything else.

- --
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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