Experiencing Data Latency for Many Data Types – 05/20 – Resolved


Final Update: Friday, 20 May 2016 04:31 UTC

We've confirmed that all systems are back to normal with no customer impact as of 5/20, 03:45 UTC. Our logs show the incident started on 5/19, 23:30 UTC and that during the 4 Hours & 15 minutes hours that it took to resolve the issue some customers would have possibly experienced Data Latency while using Analytics service. Affected Datatypes: Customer Event,Dependency,Exception,Metric,Page View,Request,Trace.
  • Root Cause: Issue was root caused to slow down in one of our back-end services.
  • Lessons Learned: Occurrence of this type of issues are medium but we pulled out sufficient information from this incident and will apply to avoid these failure in the future.
  • Incident Timeline: 4 Hours & 15 minutes - 5/19, 23:30 UTC through 5/20, 03:45 UTC.

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

-Girish K


Initial Update: Friday, 20 May 2016 02:08 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers who are using Analytics in our service may experience Data Latency. The following data types are affected: Customer Event,Dependency,Exception,Metric,Page View,Request,Trace.
  • Work Around: None
  • Next Update: Before 05/20 06:30 UTC

We are working hard to resolve this issue and apologize for any inconvenience.
-Vamshi


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