[Openstack] is anyone using zeromq for RPC?

Doug Hellmann doug at doughellmann.com
Sat Sep 6 11:48:13 UTC 2014


The team has been focused on library graduation this cycle, so some bugs have not received the attention we would like. Now that we’re in the feature-freeze period, some reviewer resources should be freed up. I will add those patches to the priority list to see what we can do about them.

Doug

On Sep 5, 2014, at 5:13 PM, Noel Burton-Krahn <noel at pistoncloud.com> wrote:

> Thanks for the link, Doug.  I'll take a look.  We found a few problems and race conditions with rabbit's failover.  Is that being addressed in Juno?  I didn't see anything in the blueprint.  We've posted patches, but they've been waiting for merge for a while.  We're hoping it would be simpler to avoid rabbit altogether.  
> 
> https://review.openstack.org/#/c/109373/
> https://review.openstack.org/#/c/110511/
> 
> I'll take a look at kombu's zeromq
> 
> --
> Noel
> 
> 
> 
> On Fri, Sep 5, 2014 at 1:57 PM, Doug Hellmann <doug at doughellmann.com> wrote:
> Have you been following the work on the AMQP 1.0 driver going into the Juno release of oslo.messaging?
> 
> https://blueprints.launchpad.net/oslo.messaging/+spec/amqp10-driver-implementation
> 
> Doug
> 
> 
> On Sep 5, 2014, at 4:50 PM, Noel Burton-Krahn <noel at pistoncloud.com> wrote:
> 
>> We are looking at moving to zeromq to get away from rabbit bugs like https://bugs.launchpad.net/oslo.messaging/+bug/1338732.
>> 
>> 
>> Cheers,
>> --
>> Noel
>> 
>> 
>> 
>> On Fri, Sep 5, 2014 at 12:50 PM, Doug Hellmann <doug at doughellmann.com> wrote:
>> The zmq driver in oslo.messaging, used for internal communication between OpenStack services, has been without a maintainer for a significant period of time. It isn’t actively tested, and it isn’t clear whether or not it works. The Oslo team would like to drop support for it in Kilo, but before we do that we would like to find out if (a) anyone uses it and (b) if any of those people would like to contribute to maintaining it.
>> 
>> Thanks,
>> Doug
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