Experiencing Data Latency for Request Data Type – 9/20 – Resolved

Final Update: , 9/20/2015 23:45 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 9/20, 20:01 UTC. Our logs show the incident started on 9/20/2015
15:45 UTC and that during the 4 hours that it took to resolve the issue a small percentage of customers may experienced latency of more than 2 hours for requests Data Type.

As we don't completely understand the root cause there are higher than normal chances for the issue to reoccur. In which case we'll keep our customers updated.

Root Cause: We don't understand the root cause for this, however the logs points to instability in the underlying infrastructure causing this issue. We continue to analyze our logs in an attempt to understand the root cause.
Incident Timeline: 4 hours & 16  minutes -9/20/2015 15:45 UTC through 9/20, 20:01 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: , 9/20/2015 18:58 UTC

Our DevOps team continues to investigate issues within Application Insights. Root cause is not fully understood at this time. Some customers might experience some latency for Requests Data type. DevOps is engaged and working on the issue but we currently have no estimate for resolution.

Work Around: None
Next Update: Before 9/21/2015 01:00 UTC

-Application Insights Service Delivery Team

Initial Update: , 9/20/2015 16:18 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience intermittent Data Latency.  Requests Data type is affected by this latency issue.

Work Around: None
Next Update: Before 19:00:00
We are working hard to resolve this issue and apologize for any inconvenience.

-Application Insights Service Delivery Team


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