Experiencing Data Latency Issue in Azure portal for Log Analytics – 10/02 – Resolved

by | Oct 2, 2020 | Azure, Technology, Uncategorized | 0 comments

This article is contributed. See the original author and article here.

Final Update: Friday, 02 October 2020 19:45 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 10/02, 19:05 UTC. Our logs show the incident started on 10/02, 17:00 UTC and that during the 2 hours 5 mins that it took to resolve the issue 10% of customers experienced periods of increased latency when ingesting Log Analytics data in East US.

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  • Root Cause: The failure was due to back-end web role had experienced a period of high CPU utilization due to an ongoing upgrade, causing some calls from the front-end ingestion service to time out and leading to the drop in front-end availability.
  • Incident Timeline: 2 Hours & 05 minutes – 10/02, 17:00 UTC through 10/02, 19:05 UTC

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

-Vincent

Brought to you by Dr. Ware, Microsoft Office 365 Silver Partner, Charleston SC.

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