We've confirmed that all systems are back to normal with no customer impact as of 11/08, 14:30 UTC. Our logs show the incident started on 11/08, 13:50 UTC and that during the 40 minutes that it took to resolve the issue 2159 subscriptions experienced intermittent data access issue in East US 2 region.
Root Cause: The failure was due to a dependent backend component failure.
Incident Timeline: 40 minutes - 11/08, 13:50 UTC through 11/08, 14:30 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.