Kevin Benton wrote:
One of the most common is the heartbeat from each agent. However, I
don't think we can't eliminate them because they are used to determine
if the agents are still alive for scheduling purposes. Did you have
something else in mind to determine if an agent is alive?
Put each agent in a tooz[1] group; have each agent periodically
heartbeat[2], have whoever needs to schedule read the active members of
that group (or use [3] to get notified via a callback), profit...
Pick from your favorite (supporting) driver at:
http://docs.openstack.org/developer/tooz/compatibility.html
[1] http://docs.openstack.org/developer/tooz/compatibility.html#grouping
[2] https://github.com/openstack/tooz/blob/0.13.1/tooz/coordination.py#L315
[3]
http://docs.openstack.org/developer/tooz/tutorial/group_membership.html#watching-group-changes
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