[Openstack-operators] [openstack-operators][nova] Verbosity of nova scheduler

Mikhail Medvedev mihailmed at gmail.com
Tue Jan 9 17:14:44 UTC 2018

On Tue, Jan 9, 2018 at 8:18 AM, Piotr Bielak <piotr.bielak at corp.ovh.com>
> Hi! I'm conducting some research about the nova scheduler logs
> verbosity. Did you ever encounter any situation, where you didn't feel
> satisfied with the amount or quality of the logs (at any log level).
> It is known that the nova-scheduler produces hardly any logs at INFO
> level. What are your experiences with the nova-scheduler in production
> environments? What would you like to see in the logs, what isn't printed
> at the moment (maybe some expected log format)?

I am supporting a couple of OpenStack dev clouds and I found in order to
solve most operational problems faster I need DEBUG enabled everywhere. In
case of scheduler, "No valid host was found" was untractable without the
debug messages (as of Mitaka). I need to know what filter ate all the hosts
and what values it used for calculations as a minimum.

> Thanks for any help and advice,
> Piotr Bielak

Mikhail Medvedev (mmedvede)
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