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xen-users
Re: [Xen-users] Managing Dom0 load?
Fajar A. Nugraha wrote:
On Wed, Jun 3, 2009 at 3:27 PM, Berni Elbourn
<berni@xxxxxxxxxxxxxxxxxxxx> wrote:
I am using Debian lenny in Dom0. Disk is a two disk md raid1. DomUs have
physical lvm.
It seems no matter how I assign the affinity in the DomUs:- top on Dom0
shows cpu0 is "clogged up" with typically 0%id 80%wa yet cores 1-3 are
99.7%id. eg:
Most likely you're I/O bound. Try:
- iostat -x 3, see which disk/block device are busy
- xm top. Should show you which dom uses most I/O (works for PV guest
or HVM with PV drivers)
Hi Fajar, Yes yes the load is caused by using stress in one of the domu
using -hdd parameter but it also has -cpu.
No matter the cpu configuration it seems most of the load goes on the
first core.
I am somewhat curious if and how the workload can be spread about more
evenly on the cores?
Berni
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