On Thu, Oct 21, 2010 at 05:39:10AM -0700, Boris Derzhavets wrote:
> Sorry, it's about only XenLinux config and setup . Nothing about pvops.
>
I meant for the performance comparison/benchmark you need to pay
attention to *pvops* configuration.
-- Pasi
> Boris.
>
> --- On Thu, 10/21/10, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>
> From: Pasi Kärkkäinen <pasik@xxxxxx>
> Subject: Re: [Xen-users] Re: [Fedora-xen] another xen build and pvops kernel
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Date: Thursday, October 21, 2010, 8:25 AM
>
> On Thu, Oct 21, 2010 at 04:40:52AM -0700, Boris Derzhavets wrote:
> > Actually, i would be glad to be wrong about performance numbers.
> > Following bellow is how i set up 2.6.34.7 as bzImage under Xen 4.0.1
> > on top of Ubuntu 10.10 ( Server or Desktop).
> >
> >
>
> [1]http://bderzhavets.wordpress.com/2010/10/17/xenlinux-kernel-2-6-34-7-aka-suse-under-xen-4-0-1-on-top-of-ubuntu-10-10-desktop/
> >
>
> It's more about your *pvops* config, not xenlinux config.
>
> -- Pasi
>
> > Boris.
> >
> > --- On Thu, 10/21/10, Boris Derzhavets <[2]bderzhavets@xxxxxxxxx> wrote:
> >
> > From: Boris Derzhavets <[3]bderzhavets@xxxxxxxxx>
> > Subject: [Xen-users] Re: [Fedora-xen] another xen build and pvops kernel
> > To: "Pasi Kärkkäinen" <[4]pasik@xxxxxx>
> > Cc: [5]xen@xxxxxxxxxxxxxxxxxxxxxxx, [6]xen-users@xxxxxxxxxxxxxxxxxxx
> > Date: Thursday, October 21, 2010, 1:49 AM
> >
> > > - How did you measure this performance difference?
> > Database server running on PV DomU with intensive I/O.
> > Workload connected with loading and unloading tables
> > to/from ASCII files residing on the guest's image.
> > > - Did you make sure kernel configuration is similar for both kernel
> types?
> > > Many pvops .configs have various debugging options enabled that kill
> the performance..
> >
> > It's my personal impression. I am not an expert in PVOPS config tuning,
> but
> > try to avoid debugging options.
> >
> > Boris.
> >
> > --- On Wed, 10/20/10, Pasi Kärkkäinen <[7]pasik@xxxxxx> wrote:
> >
> > From: Pasi Kärkkäinen <[8]pasik@xxxxxx>
> > Subject: Re: [Fedora-xen] another xen build and pvops kernel
> > To: "Boris Derzhavets" <[9]bderzhavets@xxxxxxxxx>
> > Cc: [10]xen@xxxxxxxxxxxxxxxxxxxxxxx, [11]xen-users@xxxxxxxxxxxxxxxxxxx
> > Date: Wednesday, October 20, 2010, 1:42 PM
> >
> > On Mon, Oct 18, 2010 at 07:49:29AM -0700, Boris Derzhavets wrote:
> > > Just wondering why [1]kernel-2.6.32.23-170.xendom0.fc12.src.rpm
> cannot
> > > make itself
> > > into F14. It seems pretty stable. Why it cannot be just a package
> > > available via "yum install" . Anyway Fedora's Libvirt has the
> best
> > > compatibility with Xen 4.0.1.
> > > It's not too late switch back to Xen with PVOPS kernel. XenLinux
> 2.6.34.7
> > > aka Suse
> > > is really dangerous . It outperforms pvops kernel about 15-20 %
> under Xen
> > > 4.0.1.
> > >
> >
> > - How did you measure this performance difference?
> > - Did you make sure kernel configuration is similar for both kernel
> types?
> > Many pvops .configs have various debugging options enabled that kill
> the performance..
> >
> > -- Pasi
> >
> > > I don't mention KVM performance. It's not a competitor for
> OpenSuse 11.3
> > > after the
> > > most recent "zypper update"
> > >
> > > Boris.
> > >
> > > --- On Mon, 10/18/10, M A Young <[12]m.a.young@xxxxxxxxxxxx>
> wrote:
> > >
> > > From: M A Young <[13]m.a.young@xxxxxxxxxxxx>
> > > Subject: Re: [Fedora-xen] another xen build
> > > To: [14]xen@xxxxxxxxxxxxxxxxxxxxxxx
> > > Date: Monday, October 18, 2010, 6:17 AM
> > >
> > > There is less urgency to test now because 4.0.1-6.fc14 has now
> made it
> > > into F14 in time for the release. You can of course continue
> to test if
> > > you want to.
> > >
> > > Michael Young
> > > --
> > > xen mailing list
> > > [2][15]xen@xxxxxxxxxxxxxxxxxxxxxxx
> > > [3][1][16]https://admin.fedoraproject.org/mailman/listinfo/xen
> > >
> > > References
> > >
> > > Visible links
> > > 1.
> [2][17]http://fedorapeople.org/%7Emyoung/dom0/src/kernel-2.6.32.23-170.xendom0.fc12.src.rpm
> > > 2. file:///mc/compose?to=[18]xen@xxxxxxxxxxxxxxxxxxxxxxx
> > > 3. [3][19]https://admin.fedoraproject.org/mailman/listinfo/xen
> >
> > > --
> > > xen mailing list
> > > [20]xen@xxxxxxxxxxxxxxxxxxxxxxx
> > > [4][21]https://admin.fedoraproject.org/mailman/listinfo/xen
> >
> > -----Inline Attachment Follows-----
> >
> > _______________________________________________
> > Xen-users mailing list
> > [5][22]Xen-users@xxxxxxxxxxxxxxxxxxx
> > [6][23]http://lists.xensource.com/xen-users
> >
> > References
> >
> > Visible links
> > 1. [24]https://admin.fedoraproject.org/mailman/listinfo/xen
> > 2.
> [25]http://fedorapeople.org/%7Emyoung/dom0/src/kernel-2.6.32.23-170.xendom0.fc12.src.rpm
> > 3. [26]https://admin.fedoraproject.org/mailman/listinfo/xen
> > 4. [27]https://admin.fedoraproject.org/mailman/listinfo/xen
> > 5. file:///mc/compose?to=[28]Xen-users@xxxxxxxxxxxxxxxxxxx
> > 6. [29]http://lists.xensource.com/xen-users
>
> _______________________________________________
> Xen-users mailing list
> [30]Xen-users@xxxxxxxxxxxxxxxxxxx
> [31]http://lists.xensource.com/xen-users
>
> References
>
> Visible links
> 1.
> http://bderzhavets.wordpress.com/2010/10/17/xenlinux-kernel-2-6-34-7-aka-suse-under-xen-4-0-1-on-top-of-ubuntu-10-10-desktop/
> 2. file:///mc/compose?to=bderzhavets@xxxxxxxxx
> 3. file:///mc/compose?to=bderzhavets@xxxxxxxxx
> 4. file:///mc/compose?to=pasik@xxxxxx
> 5. file:///mc/compose?to=xen@xxxxxxxxxxxxxxxxxxxxxxx
> 6. file:///mc/compose?to=xen-users@xxxxxxxxxxxxxxxxxxx
> 7. file:///mc/compose?to=pasik@xxxxxx
> 8. file:///mc/compose?to=pasik@xxxxxx
> 9. file:///mc/compose?to=bderzhavets@xxxxxxxxx
> 10. file:///mc/compose?to=xen@xxxxxxxxxxxxxxxxxxxxxxx
> 11. file:///mc/compose?to=xen-users@xxxxxxxxxxxxxxxxxxx
> 12. file:///mc/compose?to=m.a.young@xxxxxxxxxxxx
> 13. file:///mc/compose?to=m.a.young@xxxxxxxxxxxx
> 14. file:///mc/compose?to=xen@xxxxxxxxxxxxxxxxxxxxxxx
> 15. file:///mc/compose?to=xen@xxxxxxxxxxxxxxxxxxxxxxx
> 16. https://admin.fedoraproject.org/mailman/listinfo/xen
> 17.
> http://fedorapeople.org/%7Emyoung/dom0/src/kernel-2.6.32.23-170.xendom0.fc12.src.rpm
> 18. file:///mc/compose?to=xen@xxxxxxxxxxxxxxxxxxxxxxx
> 19. https://admin.fedoraproject.org/mailman/listinfo/xen
> 20. file:///mc/compose?to=xen@xxxxxxxxxxxxxxxxxxxxxxx
> 21. https://admin.fedoraproject.org/mailman/listinfo/xen
> 22. file:///mc/compose?to=Xen-users@xxxxxxxxxxxxxxxxxxx
> 23. http://lists.xensource.com/xen-users
> 24. https://admin.fedoraproject.org/mailman/listinfo/xen
> 25.
> http://fedorapeople.org/%7Emyoung/dom0/src/kernel-2.6.32.23-170.xendom0.fc12.src.rpm
> 26. https://admin.fedoraproject.org/mailman/listinfo/xen
> 27. https://admin.fedoraproject.org/mailman/listinfo/xen
> 28. file:///mc/compose?to=Xen-users@xxxxxxxxxxxxxxxxxxx
> 29. http://lists.xensource.com/xen-users
> 30. file:///mc/compose?to=Xen-users@xxxxxxxxxxxxxxxxxxx
> 31. http://lists.xensource.com/xen-users
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