We've confirmed that all systems are back to normal with no customer impact as of 6/9, 03:00 UTC. Our logs show the incident started on 06/09, 02:43 UTC and that during the 12 mins that it took to resolve the issue customers in Australia East may have experienced timeouts or errors indicating Query failures.
Root Cause: The failure was due to a backend component that for a short period reached its threshold.
Incident Timeline: 12 minutes - 06/09, 02:43 UTC through 06/09, 02:54 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.