[openstack-dev] [cinder] cinder is broken until someone fixes the forking code

Eric Harney eharney at redhat.com
Wed Mar 11 19:45:45 UTC 2015

On 03/11/2015 03:37 PM, Mike Bayer wrote:
> Mike Perez <thingee at gmail.com> wrote:
>> On 11:49 Wed 11 Mar     , Walter A. Boring IV wrote:
>>> We have this patch in review currently.   I think this one should
>>> 'fix' it no?
>>> Please review.
>>> https://review.openstack.org/#/c/163551/
>> Looks like it to me. Would appreciate a +1 from Mike Bayer before we push this
>> through. Thanks for all your time on this Mike.
> I have a question there, since I don’t know the scope of “Base”, that this
> “Base” constructor is generally called once per Python process. It’s OK if it’s
> called a little more than that, but if it’s called on like every service
> request or something, then those engine.dispose() calls are not the right
> approach, you’d instead just turn off pooling altogether, because otherwise
> you’re spending tons of time creating and destroying connection pools that
> aren’t even used as pools.   you want the “engine” to be re-used across
> requests and everything else as much as possible, *except* across process
> boundaries.

I don't see it used anywhere that isn't a long-standing service, it's
only used by service and API managers, and BackupDrivers.  So should be
ok in this regard.

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