RabbitMQ annoying disconnections [kolla-ansible, rabbitmq]

Sean Mooney smooney at redhat.com
Wed Sep 22 19:05:27 UTC 2021

On Wed, 2021-09-22 at 11:22 -0500, Ben Nemec wrote:
> On 9/21/21 2:44 AM, bkslash wrote:
> > So there are two questions:
> > 
> > 1. Why heartbeat_in_pthread didn’t change situation? And if it’s 
> > deprecated it was kind of risky to use it long term (after upgrade to 
> > wallaby it would stop working anyway?)
> It's deprecated because it became the default behavior in subsequent 
> releases. The functionality is not going away, just the ability to turn 
> it off.
> The only reason it was ever configurable was that we had concerns about 
> mixing pthreads and greenthreads and wanted the people affected by the 
> original bug to test the combination for a couple of releases before we 
> turned it on for everyone.
actully the ablity to trun it off is not going away either
turing it on can break the nova comptue agent by breaking eventlet.
here is the patch to undeprecate it https://review.opendev.org/c/openstack/oslo.messaging/+/800621
based on the bug above this looke like it should be turned off unless you runing under mod_wsgi or uwsgi
where the pthread is needed to escape there treadign lifecycle.


More information about the openstack-discuss mailing list