CentOS virt - Feb 2008 - VMWare Server -- Which Kernel is Best

I read http://bugs.centos.org/view.php?id=2189
Summary: CentOS is not getting optimal performance in a virtualized 
environment and on slow cpus
but I am not sure I understand the current best practice.  Your thoughts 
would be appreciated.

Options as I see them:
1. Run kernel-vm-2.6.18-53.1.4.el5 with clocksource=pit until the 
excellent CentOS team builds the latest kernel into a VM kernel (This is 
working for me now).
2. Run kernel-2.6.18-53.1.6.el5 with divider=10 and hope the clock does 
not go fast (I have not tried this).

-- 
Sincerely,
John Thomas

John Thomas wrote:
> I read http://bugs.centos.org/view.php?id=2189
> Summary: CentOS is not getting optimal performance in a virtualized 
> environment and on slow cpus
> but I am not sure I understand the current best practice.  Your thoughts 
> would be appreciated.
> 
> Options as I see them:
> 1. Run kernel-vm-2.6.18-53.1.4.el5 with clocksource=pit until the 
> excellent CentOS team builds the latest kernel into a VM kernel (This is 
> working for me now).
> 2. Run kernel-2.6.18-53.1.6.el5 with divider=10 and hope the clock does 
> not go fast (I have not tried this).
> 
there is a kernel-vm for 2.6.18-53.1.6.el5 now too

http://people.centos.org/~tru/kernel-vm/

... however, if you need NFS then you will what to use 
2.6.18-53.1.4.el5, see this bug:


http://bugs.centos.org/view.php?id=2635

Thanks,
Johnny Hughes


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