Description
For databases utilizing Availability Groups. This accumulates while Availability Group an event publisher (e.g. an an Availability Replica) is waiting for exclusive access to the list of event subscribers. This wait type is uncommon and for internal use only
Resolved by
DBAs
Suggested solutions
- Small values are ignorable. However, if the values are large check the SQL Server error log for more information
Additional research
AlwaysOn Availability Groups Troubleshooting and Monitoring Guide
Disaster Recovery Planning with Always-On Availability Groups