
aodh-notifier is stateless, it is naturally can be multi-processes. aodh-evaluator can be multi-processes because it by default runs in workload_partition mode. aodh-listener shares nothing between workers, an event can only be consumed by a single worker, and sql provides transaction ability hence it is safe to use multi-processes as well. Change-Id: I5a8051909be8626cd9d037992132740d03110892