[ovirt-users] Empty cgroup files on centos 7.3 host

Yaniv Kaul ykaul at redhat.com
Mon Dec 18 12:58:40 UTC 2017


On Mon, Dec 18, 2017 at 9:21 AM, Florian Schmid <fschmid at ubimet.com> wrote:

> Hi,
>
> yes, still the same issues with oVirt 4.1.7 and CentOS 7.4.
> Whole cgroup directory has empty files.
>
> Actually at the moment, we are blind when it comes to disk IO, only our
> NetApp give us IO values, but these are per NFS share and there are a lots
> of VMs on it.
>
> A solution would be great here.
>

Indeed. 4.2 provides a comprehensive solution, with integration via
Collectd -> fluentd -> Elastic -> Kibana.
Y.


>
> BR Florian
>
>
> ------------------------------------------------------------
> --------------------------------------------------------
> *UBIMET GmbH* - weather matters
> Ing. Florian Schmid • IT Infrastruktur Austria
>
> A-1220 Wien • Donau-City-Straße 11 • Tel +43 1 263 11 22
> <+43%201%202631122> DW 469 • Fax +43 1 263 11 22 219
> fschmid at ubimet.com • www.ubimet.com • Mobile: +43 664 8323379
> <+43%20664%208323379>
>
> Sitz: Wien • Firmenbuchgericht: Handelsgericht Wien • FN 248415 t
>
> ------------------------------------------------------------
> --------------------------------------------------------
>
> The information contained in this message (including any attachments) is
> confidential and may be legally privileged or otherwise protected from
> disclosure. This message is intended solely for the addressee(s). If you
> are not the intended recipient, please notify the sender by return e-mail
> and delete this message from your system. Any unauthorized use,
> reproduction, or dissemination of this message is strictly prohibited.
> Please note that e-mails are susceptible to change. UBIMET GmbH shall not
> be liable for the improper or incomplete transmission of the information
> contained in this communication, nor shall it be liable for any delay in
> its receipt. UBIMET GmbH accepts no liability for loss or damage caused by
> software viruses and you are advised to carry out a virus check on any
> attachments contained in this message.
>
>
>
> ------------------------------
> *Von: *"Konstantin Shalygin" <k0ste at k0ste.ru>
> *An: *"users" <users at ovirt.org>
> *Gesendet: *Montag, 18. Dezember 2017 07:17:42
> *Betreff: *Re: [ovirt-users] Empty cgroup files on centos 7.3 host
>
> Specifically for IO statistics, VDSM reads the values from libvirt[1].
> cgroup limiting is possible if you define it, but is unrelated.
> Also note that 7.3 is a bit ancient, I'm not sure how supported it is with
> latest 4.1 - which I'm sure will pull new dependencies from 7.4 (for
> example, libvirt!).
>
> We use oVirt 4.1.6 on 7.4 of course.
>
> Where I can see IO stat? I never see this on oVirt manager.
>
> How can I enable cgroup blk metric collection?
> Perhaps this is an outdated way and metrics should be collected in a
> different way and it should be applied in the netdata project?
>
> Thanks.
>
>
> k
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20171218/9f8bc3c0/attachment.html>


More information about the Users mailing list