Open Stack

Hi Criag,

can we share haproxy log and config of ha proxy. We are also running in our
lab and its working fine. what about rabbitmq cluster ?


On Tue, May 6, 2014 at 8:41 PM, Craig Jellick <cjellick at godaddy.com> wrote:

>   HI all,
>
>  Does anyone have experience using HAProxy as a load balancer in front of
> a RabbitMQ cluster for OpenStack?
>
>  We have this setup in our lab and it is very susceptible to queue
> disconnects. In particular, the neutron security group fanout queues
> (q-agent-notifier-security_group-update_fanout_<random id>) will lose their
> client connections and back up with a lot of messages. The clients to these
> queues are the openstack-neutron-openvswitch-agent services.
>
>  This happens every time we hit the configured HAProxy TCP timeout. It
> can also happen if a Rabbit node that has a connection is restarted, if
> HAProxy is restarted, or if there is basically any interruption in the
> connection between the clients and HAProxy.
>
>  Finally, its worth noting that in our prod environment we are using F5
> load balancers and we don't see this problem occur for TCP timeouts, which
> is the most common source of this problem in our lab environment.
>
>  Thanks in advance.
>
>
>  /Craig J
>
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* Thanks & Regards   *
*Jitendra Kumar Bhaskar*
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