We've confirmed that all systems are back to normal with no customer impact as of 7/4, 01:11 UTC. Our logs show the incident started on 7/4, 00:16 UTC and that during the 55 minutes that it took to resolve the issue 100% of customers in the West Central US region experienced possible alert misfires and/or missing alerts.
Root Cause: The failure was due to an outage in the back-end compute systems that support Log Search Alerts.
Incident Timeline: 55 minutes - 7/4, 00:16 UTC through 7/4, 01:11 UTC
We understand that customers rely on Log Search Alerts as a critical service and apologize for any impact this incident caused.
Initial Update: Friday, 03 July 2020 23:45 UTC
We are aware of issues within Log Search Alerts and are actively investigating. Some customers may experience missing or mis-fired alerts.
Next Update: Before 07/04 01:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience.