question

CosminStirbu-1831 avatar image
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CosminStirbu-1831 asked PramodValavala-MSFT commented

Monitor Service Bus topic/subscription that only forwards messages

Hello,

We have a Service Bus topic that has multiple subscriptions and all of them are forwarding messages to other topics based on some rules.

What metrics are worth monitoring (creating alerts for) on this topic? Is it worth looking at Count of dead-lettered messages in a Queue/Topic, or Server Errors, or User Errors? What are the possible errors that could occur on a topic / subscription that all it does is to forward messages?

Thank you,
Cosmin

azure-monitorazure-service-bus
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PramodValavala-MSFT answered PramodValavala-MSFT commented

@CosminStirbu-1831 The dead letter messages would be the one you would want to ensure that the destination is not being filled up causing dead letter of messages the source entity. The possible dead letter is covered in the doc linked.


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Sounds good, thank you. What about the other two - Server Errors and User Errors? When would we be interested in monitoring those and what would be some potential remediation steps for them?

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@CosminStirbu-1831 These error metrics are when errors are from the service or from user actions for server and user errors, respectively. In your case, you would not have user errors I believe but could generate server errors if the service has any intermittent issues.


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