TFS4JIRA Azure DevOps integration - Degraded performance for synchronizing items

Update timeline

1. investigating Jun 19, 2023, 09:27 AM UTC

   Synchronization issues started happening on June 18th, ~2:00 PM CEST. There are random timeouts from Azure DevOps Services. We're trying to minimize the impact of the issue. It was impossible to start the new initial synchronizations. Process should now be unlocked and you should be able to start initial synchronization. If you still encounter a problem, please contact our support team. Periodic synchronizations are now happening once per 5 minutes (instead of usual once per 1 minute).

2. identified Jun 19, 2023, 03:39 PM UTC

   The issue with ADO timeouts was reported to Microsoft, but there is no update on it currently. We have mitigated the issue by fine-tuning our synchronization queues so they are less sensitive to the timeouts, but that has a negative side effect - regular synchronizations are now triggered less frequently, once per 5 minutes. We are adding additional logging to understand if there are any patterns on the timeouts we see from Azure DevOps.

3. monitoring Jun 20, 2023, 06:47 AM UTC

   We noticed there's no more timeouts from Azure DevOps side since 5:50 CEST time 20th June. We've reset synchronization interval to 1 minute. No delays are expected. We are actively monitoring production. In the meantime we are trying to get information what caused the timeouts on Azure DevOps side.

4. resolved Jun 20, 2023, 09:14 AM UTC

   Everything is stable, there are no more timeouts from Azure DevOps services.