Experiencing Data Latency for Many Data Types – 01/04 – Resolved

Final Update: Monday, 04 January 2016 06:05 UTC

We've confirmed that all systems are back to normal with no customer impact as of 1/4, 06:05 UTC. Our logs show the incident started on 1/4, 04:32 UTC and that during the 2 hours & 33 minutes that it took to resolve the issue very small percentage of customers experienced data latency.
  • Root Cause: The failure was due to dependent service in Data collection infrastructure which experienced degraded performance  .
  • Lessons Learned: We have taken impacted region out of service immediately which helped minimize the impact.
  • Incident Timeline: 2 Hours & 33 minutes - 1/4, 04:32 UTC through 1/4, 06:05 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

Initial Update: Monday, 04 January 2016 04:32 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience Data Latency. The following data types are affected: Availability,Customer Event,Dependency,Exception,Metric,Page Load,Page View,Performance Counter,Request,Trace.
  • Work Around: None
  • Next Update: Before 01/04 09:00 UTC

We are working hard to resolve this issue and apologize for any inconvenience.
-Application Insights Service Delivery Team

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