2:15 p.m.
Hi Florian,
thanks for your thoughts!
On Tue, Nov 3, 2020 at 3:21 PM Florian Schmid via Users <users(a)ovirt.org>
wrote:
Hi Ales,
what do you mean with "not maintained for a long time"?
The oVirt integration of dpdk was not maintained.
DPDK is heavily developed and make the linux network extremely fast.
I don't think, that SR-IOV can replace it,
The removal of dpdk is about removing the dpdk support from oVirt hosts
only.
We wonder if there is someone using dpdk to attach oVirt VMs to physical
NICs.
We are aware that many users use SR-IOV, especially for scenarios of
enabling a high count of Ethernet frames for VMs or requiring a low latency,
but we are not aware of users using dpdk to connect the oVirt VMs to the
physical NICs of the host.
because packets must be still processed by the kernel, which is
really
slow and CPU demanding.
In SR-IOV the packets might be processed by the guest kernel, not but the
host kernel.
oVirt is focused on the host kernel, while the guest OS is managed by the
user of oVirt.
Did this explanation address your concerns?
BR Florian
------------------------------
*Von: *"Ales Musil" <amusil(a)redhat.com>
*An: *"Nir Soffer" <nsoffer(a)redhat.com>
*CC: *"users" <users(a)ovirt.org>, "devel"
<devel(a)ovirt.org>
*Gesendet: *Dienstag, 3. November 2020 13:56:12
*Betreff: *[ovirt-users] Re: Removal of dpdk
On Tue, Nov 3, 2020 at 1:52 PM Nir Soffer <nsoffer(a)redhat.com> wrote:
> On Tue, Nov 3, 2020 at 1:07 PM Ales Musil <amusil(a)redhat.com> wrote:
>
>> Hello,
>> we have decided to remove dpdk in the upcoming version of oVirt namely
>> 4.4.4. Let us know if there are any concerns about this.
>>
>
> Can you give more info why we want to remove this feature, and what is
> the replacement for existing users?
>
> Nir
>
Sure,
the feature was only experimental and not maintained for a long time. The
replacement is to use SR-IOV
which is supported by oVirt.
Thanks,
Ales
--
Ales Musil
Software Engineer - RHV Network
Red Hat EMEA <https://www.redhat.com>
amusil(a)redhat.com IM: amusil
<https://red.ht/sig>
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