Is the write to subscriptions asynchronous and success is returned before messages are written in all subscriptions.
What happens if a subscription(and all replica) is down at that time.
Is the write to subscriptions asynchronous and success is returned before messages are written in all subscriptions.
What happens if a subscription(and all replica) is down at that time.
Azure Service Bus client communicates over AMQP. A message has to be received by broker and acknowledged to the client for the client to consider sending/publishing operation to be successful. If broker is unreachable for any reason, client will throw an exception.
I.e. Azure Service Bus is not Store and Forward like MSMQ.