[Xen-users] Memory bandwidth partitioning?

["Robert Stober" <rstober@xxxxxxxxxxxx>]

Good Afternoon,

According to the docs, Xen can allocate a specific amount of memory, and
block and network I/O to a guest OS. And the guest can then request to
change the allocation.

I'm assuming that the hypervisor can limit the amount of network I/O a
guest can use to prevent one guest from using up all of the available
network I/O bandwidth. But can the hypervisor limit the memory bandwidth
usage of a guest OS? What's to stop one guest OS from saturating the
memory bus?

Thank you,

Robert

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