[openstack-dev] Keystone Concurrency & Races in SQL Assignment Backend

Dolph Mathews dolph.mathews at gmail.com
Thu Oct 31 01:36:21 UTC 2013


On Wed, Oct 30, 2013 at 5:08 PM, Peter Feiner <peter at gridcentric.ca> wrote:

> Hi Brant,
>
> In addition to the race you've fixed in
> https://review.openstack.org/#/c/50767/, it looks like there are quite
> a few more races in the SQL backend of keystone.assignment. I filed a
> bug to this effect: https://bugs.launchpad.net/keystone/+bug/1246489.
> The general problem is that transactions are used somewhat
> indiscriminately. The fix (i.e., using transactions judiciously) is
> straightforward and should be mostly independent of your ongoing
> oslo.db sessions port in https://review.openstack.org/#/c/49460/. So,
> unless you already have something in the works, I'll get started on
> that tomorrow.
>
> I'm eager to fix these races so
> https://review.openstack.org/#/c/42967/ can reliably pass tempest :-)
>

Thanks for pursuing this :)

Blocked by one Brant's dependent patches at the moment, which LGTM:
https://review.openstack.org/#/c/51481/


>
> Peter
>
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>



-- 

-Dolph
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