[openstack-dev] Does DB schema hygiene warrant long migrations?

Michael Still mikal at stillhq.com
Thu Oct 24 22:35:55 UTC 2013


On Fri, Oct 25, 2013 at 9:07 AM, Boris Pavlovic <boris at pavlovic.me> wrote:
> Johannes,
>
> +1, purging should help here a lot.

Sure, but my point is more:

 - pruning isn't done by the system automatically, so we have to
assume it never happens

 - we need to have a clearer consensus about what we think the maximum
size of a nova deployment is. Are we really saying we don't support
nova installs with a million instances? If so what is the maximum
number of instances we're targeting? Having a top level size in mind
isn't a bad thing, but I don't think we have one at the moment that we
all agree on. Until that happens I'm going to continue targeting the
largest databases people have told me about (plus a fudge factor).

Michael

-- 
Rackspace Australia



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