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Experiencing Data Latency Issue in Azure portal for Log Analytics - 05/24 - Resolved

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Azure-Monitor-Team
Former Employee
May 24, 2021
Final Update: Monday, 24 May 2021 14:51 UTC

We've confirmed that all systems are back to normal with no customer impact as of 05/24, 14:30 UTC. Our logs show the incident started on 05/24, 10:57 UTC and that during the 3 Hours & 33 minutes that it took to resolve the issue, some customers may have experienced intermittent data latency and incorrect alert activation for resources in South UK region.
  • Root Cause: The failure was due to an issue with dependent service.
  • Incident Timeline: 3 Hours & 33 minutes - 05/24, 10:57 UTC through 05/24, 14:30 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.

-Ramesh

Update: Monday, 24 May 2021 13:35 UTC

Root cause has been isolated to capacity issue which caused data latency. To address this issue we increased the capacity. Some customers may continue to experience intermittent data latency and incorrect alert activation for resources in South UK region.
  • Work Around: None
  • Next Update: Before 05/24 15:00 UTC
-Mohini

Updated May 24, 2021
Version 4.0
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