I'd suggest to have a look at the openstack Operations Guide which contains
information on scaling approaches
(http://docs.openstack.org/ops/)
In particular, the use of cells is a good way to build large scale
infrastructures (see
Kylin,
I think there is some confusion as to the term broadcast. Many of the
Rabbit docs describe the delivery of a message from one publisher to
multiple subscribers as a 'broadcast'. This is not to be confused with a
network broadcast where traffic is sent over the network broadcast address.
Hi Brent,
Thanks very much for your sharing of your experience. I want to clarify
that we are indeed trying to deploy OpenStack on thousands of nodes. The
first block we met was keepalived based HA which needs multicast. Thus we
are reviewing our network topology design again. At the same time we
Kylin,
I've previously used ECMP to balance traffic to Openstack components that
scale laterally like nova-api. This was fairly easy to set up and worked
well for what we needed where state was not needed.
I've also used keepalived for services that did not scale laterally. In
this case I put
Hi All,
We are currently trying to deploy OpenStack on thousands of nodes. We
are using Grizzly stable version and Ubuntu 12.04.2. However, the big
problem we meet now is the network topology. If we want to use HA
(haproxy + keepalived) for the controller nodes on which *-apis are
running as well
I'll speak to your rabbit question:
By default rabbit uses tcp port 5672 for communication.. tcp can certainly
cross subnet boundaries and be routed without issue.
I suggest you do some network troubleshooting; ping your rabbit server
then telnet to port 5672 on the rabbit server from hosts on
By default rabbit uses tcp port 5672 for communication.. tcp can certainly
cross subnet boundaries and be routed without issue.
I suggest you do some network troubleshooting; ping your rabbit server
then telnet to port 5672 on the rabbit server from hosts on the other
subnets.
Check your
Hi Brent,
Thanks for your reply! But we are afraid that Rabbitmq needs broadcast to
work correctly and usually broadcast is not available in cross-subnets
deployments. That is what we are worrying about...
Best,
Kylin CG
2013/6/26 Brent Roskos brent.ros...@solinea.com
By default rabbit
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