Final Update: Thursday, 29 August 2019 21:27 UTC
We've confirmed that all systems are back to normal with no customer impact as of 08/29, 20:15 UTC. Our logs show the incident started on 08/29, 19:31 UTC and that during the 44 minutes that it took to resolve the issue
a subset of customers might have experienced issue in Log Search Alerts as well as querying the data in UK South.
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Root Cause: The failure was due to load on our storage system which is responsible for data ingestion and query system.
- Incident Timeline: 44 minutes - 08/29, 19:31 UTC through 08/29, 20:15 UTC
We understand that customers rely on Log Search Alerts as a critical service and apologize for any impact this incident caused.
-Venkat