[Labs-l] Instance scheduler modified, could cause instance creation to fail

aude aude.wiki at gmail.com
Thu Feb 23 20:39:06 UTC 2012


On Thu, Feb 23, 2012 at 3:31 PM, Platonides <platonides at gmail.com> wrote:

> On 23/02/12 01:44, Ryan Lane wrote:
> > I've switched from using the chance scheduler to the simple scheduler
> > for nova (https://gerrit.wikimedia.org/r/#change,2731). This means
> > that when instances are created, the compute node with the least
> > number of instances running will be chosen, rather than before where
> > any random compute node was chosen.
> >
> > The new scheduler has some options which limit which nodes are chosen,
> > though, and the defaults may be set a little low. If you create an
> > instance and it stays in the scheduling or pending mode forever (or it
> > eventually fails), let me know and I'll tweak the configuration
> > options.
> >
> > - Ryan
>
> How would we know if it is pending?
>

It would say "pending" instead of "running" in:

https://labsconsole.wikimedia.org/wiki/Special:NovaInstance

Cheers,
Katie



>
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President, Wikimedia District of Columbia
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