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Troubleshoot Event Hubs issues

The troubleshooting guide has moved to: https://learn.microsoft.com/azure/developer/java/sdk/troubleshooting-messaging-event-hubs-overview

Get additional help

Additional information on ways to reach out for support can be found in the SUPPORT.md at the repo's root.

Filing GitHub issues

When filing GitHub issues, the following details are requested:

  • Event Hub environment
    • How many partitions?
  • EventProcessorClient environment
    • What is the machine(s) specs processing your Event Hub?
    • How many instances are running?
    • What is the max heap set (i.e., Xmx)?
  • What is the average size of each EventData?
  • What is the traffic pattern like in your Event Hub? (i.e. # messages/minute and if the EventProcessorClient is always busy or has slow traffic periods.)
  • Repro code and steps
    • This is important as we often cannot reproduce the issue in our environment.
  • Logs. We need DEBUG logs, but if that is not possible, INFO at least. Error and warning level logs do not provide enough information. The period of at least +/- 10 minutes from when the issue occurred.

Impressions