HADR_FABRIC_CALLBACK

Description

For databases utilizing Availability Groups. This wait is currently not documented by Microsoft so not much is known about it. It is uncommon and recommended to investigate is values are excessive

Resolved by

DBAs and Developers

Suggested solutions

  1. Check the SQL Server error log for more information
  2. Examine wait statistics on the instance for other Availability Group issues. Investigate accordingly

Additional research

AlwaysOn Availability Groups Troubleshooting and Monitoring Guide

See more

Consider using ApexSQL Monitor, a Windows and SQL Server monitoring tool able to track SQL Server wait types, including the individual query wait statistics

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