Re: [Xen-users] Can affect the virtualization the samba performance?

[Periko Support <pheriko.support@xxxxxxxxx>]

On Wed, Nov 24, 2010 at 3:12 PM, kazabe <kazabe@xxxxxxxxx> wrote:
> Hi.
>
> i was migrate samba from an old woody server to a virtualized lenny on
> a new server.  The virtualized server has four times more resources
> than the old server, but some times the performance is really poor.
>
> im discarding all the samba tunning options, but i dont know how to
> discard any virtualization issue.  The disk is a img file on the
> server, formatted on ext3.
>
> Im evaluating request a dedicated disk to the samba virtual server,
> but before i need confirm if the problem is really by disk
> performance.
>
> How can i evaluate if the virtualization can have any relation with
> the samba performance?
>
> thanks and regards.
>
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> http://lists.xensource.com/xen-users
>

Do u have raid on the dom-0? Raid-0,1,5,10?
Have u tune your server?
Have u benchmark your FS? Bonnie, Bonnie++,fio,tiobench,dd,hdparm,iozone,dbench?
This will take a lot of time but will let u know with settings will
give u the best performance for a service la samba.
Good luck!!!

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