Experiencing Data Latency issues for Application Insights in East US – 12/04 – Resolved

This post has been republished via RSS; it originally appeared at: New blog articles in Microsoft Tech Community.

Final Update: Saturday, 04 December 2021 03:11 UTC

We've confirmed that all systems are back to normal with no customer impact as of 12/4, 03:00 UTC. Our logs show the incident started on 12/3, 20:00 UTC and that during this time customers may have experienced delayed or missed Log Search Alerts and Data Latency in East US.
  • Root Cause:  An instance on a dependent backend service became unhealthy, preventing requests from completing.
  • Incident Timeline: 8 Hours - 12/3, 20:00 UTC through 12/4, 03:00 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Ian

Initial Update: Saturday, 04 December 2021 02:30 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience delayed or missed Log Search Alerts and Data Latency in East US.
  • Work Around: none
  • Next Update: Before 12/04 05:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Ian

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