Re: [libvirt] [RFC] Memory controller exploitation in libvirt
2010/8/24 Nikunj A. Dadhania <nikunj(a)linux.vnet.ibm.com>:
On Tue, 24 Aug 2010 11:02:49 +0200, Matthias Bolte <matthias.bolte(a)googlemail.com>
wrote:
<snip>
> Regarding future additions:
>
> CPUHardLimit
> CPUSoftLimit
> CPUShare
> CPUPercentage
> IO_BW_Softlimit
> IO_BW_Hardlimit
> IO_BW_percentage
>
> The CPU part of this is already possible via the
> virDomainSetSchedulerParameters API. But they aren't expressed in the
> domain XML config, maybe your suggesting to do this?
Yes, thats correct for CPU.
IO would need API as well as XML config changes. Does ESX also support Block
IO bandwidth control?
ESX 4.1 added StorageIOAllocation for VirtualDisks that allows to set
a limit (upper bound) and a shares (priority) value for storage I/O
per disk.
Matthias