Re: [Xen-users] best way to optimize use of CPU and IO

[Itamar - IspBrasil <itamar@xxxxxxxxxxxxxxxx>]

put mysql on another machine.


Fong Vang wrote:
> I have a system with 2 quad core CPUs running Xen on CentOS 5.1 
> 64-bit.  The kernel sees this system as having 8 CPUs.  If I were to 
> create 6 domUs, what would be the best way to allocate the CPUs to get 
> best CPU and IO performance?  Should all CPUs be allocated to all domU 
> and let the system allocate as it sees fit or would the system perform 
> better if each domU is restricted to fewer CPUs?
> Each domU is running a custom Java application that utilizes MySQL 
> heavily.  Application is heavily threaded.
> Thanks for any comment.
>
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