Experiencing Data Latency for Many Data Types – 6/24 – Resolved

Final Update: Thursday, 6/25/2015 01:10 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 6/25/2015, 01:00 UTC. Our logs show the incident started on 6/24/2015, 22:30 UTC and that during the 2 hours and 30 minutes that it took to resolve the issue some customers may have experienced data latency for the following data types: Customer Event, Exception, Request.

Root Cause: The failure was due to issues with communication between backend services.
Lessons Learned: We have gathered all of the applicable logs and telemetry and will be working with our partner teams to understand the root cause of the failures.
Incident Timeline: 2 Hours & 30 minutes - 6/24/2015, 22:30 UTC through 6/25/2015, 01:00 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: Thursday, 6/25/2015 00:28 UTC

Root cause has been isolated to communication between backend services. To address this issue we restarted the affected instances and data processing is now working as expected. Some customers may experience data latency for Customer Event, Exception and Request data types. We estimate 2 hours before all latency is addressed.

Work Around: None
Next Update: Before 6/25/2015 02:30 UTC

-Application Insights Service Delivery Team

Initial Update: Wednesday, 6/24/2015 22:31 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: Customer Event, Exception, Request.

Next Update: Before 6/25 00:00 UTC

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

-Application Insights Service Delivery Team


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