[openstack-dev] [oslo.messaging][zmq] Redundant zmq.Context creation
Oleksii Zamiatin
ozamiatin at mirantis.com
Fri Jan 23 11:53:48 UTC 2015
23.01.15, 13:22, Elena Ezhova ?????:
>
>
> On Fri, Jan 23, 2015 at 1:55 PM, Ilya Pekelny <ipekelny at mirantis.com
> <mailto:ipekelny at mirantis.com>> wrote:
>
>
>
> On Fri, Jan 23, 2015 at 12:46 PM, ozamiatin
> <ozamiatin at mirantis.com <mailto:ozamiatin at mirantis.com>> wrote:
>
> IMHO It should be created once per Reactor/Client or even per
> driver instance.
>
>
> Per driver, sounds good.
>
> Wouldn't this create regression for Neutron? The original change was
> supposed to fix the bug [1], where each api-worker process got the
> same copy of the Context due to its singletony nature.
It wouldn't be a singleton now, beacuse each process should have it's
own driver instance. We of course will check this case. Each api-worker
should take their own context. The purpose now is to have not more than
one context per worker.
>
>
>
> By the way (I didn't check it yet with current implementation
> of the driver) such approach should break the IPC, because
> such kind of sockets should be produced from the same context.
>
> Please, check it. Looks like a potential bug.
>
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> [1] https://bugs.launchpad.net/neutron/+bug/1364814
>
>
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