We've confirmed that all systems are back to normal with no customer impact as of 10/7, 20:37 UTC. Our logs show the incident started on 10/7, 20:02 UTC and that during the 35 minutes that it took to resolve the issue few customers might have experienced alerting and query failures.
Incident Timeline: 35 minutes - 10/7, 20:02 UTC through 10/7, 20:37 UTC
We understand that customers rely on Log Search Alerts as a critical service and apologize for any impact this incident caused.
Initial Update: Monday, 07 October 2019 20:34 UTC
We are aware of issues within Log Search Alerts
and are actively investigating. Some customers in West Europe might experience
alerting failures and query failures.
Before 10/07 22:30 UTC
We are working hard to resolve this issue and
apologize for any inconvenience. -Anupama