Experiencing Query and Alerting Issues in West Europe for Azure Monitor - 12/18 - Resolved

[Azure-Monitor-Team]

Final Update: Wednesday, 18 December 2019 20:52 UTC

We've confirmed that all systems are back to normal with no customer impact at present. Our logs show the incident started on 12/18, 18:00 UTC and that during the 1 hour 15 minutes that it took to resolve the issue some customers experienced data access and alerting failures. 

• Root Cause: The failure was due to memory issue in underlying infrastructure. 
• Incident Timeline: 1 Hour & 15 minutes - 12/18, 18:00 UTC through 12/18, 19:15 UTC

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

-Arvind

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Initial Update: Wednesday, 18 December 2019 18:38 UTC

We are aware of issues within Azure Monitor and are actively investigating. Some customers may experience query and alerting failures against the data stored in West Europe region. 

• Work Around:
• Next Update: Before 12/18 21:00 UTC

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

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