c#asynchronousazureservicebusautoscaling
How to get the unprocessed message count from a Windows Service Bus Subscription?
I'm working on a system that needs to auto scale worker processes which pull messages from a service bus topic for processing.
To do this I need to know the number of unprocessed messages for a given subscription. How do I do that?
I had a look at the SubscriptionClient Class, but there doesn't appear to be a way to find the number of messages waiting to be processed.
Solution
You can use the NamespaceManager to get your QueueDescription or TopicDescription by using GetMessage(_name_) or GetTopic(_name_). These descriptions expose the value as MessageCount.
Hope this helps!
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