Experiencing Data Latency for Many Data Types – 11/17 – Resolved

Final Update: Tuesday, 17 November 2015 18:21 UTC

We've confirmed that all systems are back to normal with no customer impact as of 11/17, 18:20 UTC. Our logs show the incident started on 11/17, 17:30 UTC and that during the 1 hour that it took to resolve the issue.
  • Root Cause: The failure was due to errors talking to a dependent service.
  • Lessons Learned: We are actively investigating the issue and working on a long term fix to avoid this in the future.
  • Incident Timeline:  50 minutes - 11/17, 17:30 UTC through 11/17, 18:20 UTC

We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Application Insights Service Delivery Team

Update: Tuesday, 17 November 2015 17:18 UTC

Root cause has been isolated to errors while calling into a dependent service which was impacting multiple data types.  We have done mitigation steps to stop the issue from occuring. However, customers will continue to see latency above 2 hours during the time period of 11/17/2015 15:30 UTC to 11/17/2015 16:00. This data is actively being processed by our backlog processing.
  • Work Around: None
  • Next Update: Before 11/17 21:30 UTC

-Application Insights Service Delivery Team

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