[openstack-dev] [keystone][nova][neutron][all] Rolling upgrades: database triggers and oslo.versionedobjects
Thierry Carrez
thierry at openstack.org
Fri Sep 2 10:15:33 UTC 2016
Sean Dague wrote:
> Putting DB trigger failure analysis into the toolkit required to manage
> an upgrade failure is a really high bar for new ops.
I agree with Sean: increasing the variety of technologies used increases
the system complexity, which in turn requires more skills to fully
understand and maintain operationally. It should only be done as a last
resort, with pros and cons carefully weighted. We really should involve
operators in this discussion to get the full picture of arguments for
and against.
--
Thierry Carrez (ttx)
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