?? Tackling Azure Service Bus Challenges: Lessons Learned

Recently, our team encountered an interesting issue where one of our Azure Service Bus topics exceeded its maximum size limit of 1GB, causing message delivery to fail. After investigation, we discovered that unprocessed messages were accumulating in a test subscription that was no longer in use.

?? The Resolution: To fix the issue, we deleted the unused subscription, which cleared the backlog of messages and freed up space in the topic. This restored the Service Bus functionality and allowed normal operations to resume.

?? Key Takeaways:

1?? Regularly audit subscriptions: Remove unused or test subscriptions to avoid silent message buildup.

2?? Enable Auto-Delete on Idle: Automatically clean up inactive subscriptions.

3?? Set Message Time-to-Live (TTL): Ensure messages don’t linger indefinitely.

4?? Monitor Topic Size: Use Azure Monitor to set alerts for proactive issue resolution.

This experience reinforced the importance of proactive monitoring, retention policies, and routine maintenance in cloud-based messaging systems. A small oversight in subscription management can have a significant impact on operations, but with the right practices in place, such challenges can be swiftly addressed.

Have you faced similar challenges with Azure Service Bus or other messaging platforms? I’d love to hear your insights and solutions! Let's share and learn together. ??

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