[Openstack] Failure when creating more than n instances. networking fail.

Antonio Messina arcimboldo at gmail.com
Mon Jan 7 09:51:46 UTC 2013


I have the same problem, I can't create more than around 15 instances at
once or I get a timeout error.

BTW, the default was decreased in essex from 3600 to 60:
https://bugs.launchpad.net/nova/+bug/938287

If you can find a reasonable default value would be very appreciated :)

thanx

.a.


On Fri, Dec 28, 2012 at 6:26 PM, Davanum Srinivas <davanum at gmail.com> wrote:

> Vish,
>
> Should we increase the default timeout? Would there be any issues with
> that?
>
> -- dims
>
> On Fri, Dec 28, 2012 at 12:18 PM, Vishvananda Ishaya
> <vishvananda at gmail.com> wrote:
> > This is generally due to timeouts talking to the network server. It will
> be much better with multi_host networking. Also you could avoid some issues
> by upping the rpc call timeout:
> >
> > rpc_response_timeout=180
> >
> > (defaults to 60 seconds)
> >
> > Vish
> >
> > On Dec 28, 2012, at 2:53 AM, Andrew Holway <a.holway at syseleven.de>
> wrote:
> >
> >> Hello,
> >>
> >> Anyone else seen this?
> >>
> >> https://bugs.launchpad.net/openstack-ci/+bug/1094226
> >>
> >> "When creating lots a instances simultaneously there is a point where
> it begins to fall apart.
> >>
> >> It seems to be related to the speed of the CPU. I tested this on a much
> slower E5430 and I could handle about 20 Instances before causing error. My
> machines with E5-2670 can hangle much more."
> >>
> >>
> >>
> >> _______________________________________________
> >> Mailing list: https://launchpad.net/~openstack
> >> Post to     : openstack at lists.launchpad.net
> >> Unsubscribe : https://launchpad.net/~openstack
> >> More help   : https://help.launchpad.net/ListHelp
> >
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post to     : openstack at lists.launchpad.net
> > Unsubscribe : https://launchpad.net/~openstack
> > More help   : https://help.launchpad.net/ListHelp
>
>
>
> --
> Davanum Srinivas :: http://davanum.wordpress.com
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to     : openstack at lists.launchpad.net
> Unsubscribe : https://launchpad.net/~openstack
> More help   : https://help.launchpad.net/ListHelp
>



-- 
antonio.s.messina at gmail.com
arcimboldo at gmail.com
GC3: Grid Computing Competence Center
http://www.gc3.uzh.ch/
University of Zurich
Winterthurerstrasse 190
CH-8057 Zurich Switzerland
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20130107/83dd5b06/attachment.html>


More information about the Openstack mailing list