Waitopedia is a comprehensive resource of information about SQL Server waits.

The description shown below is the top answer as voted by the Spotlight community.

The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.


Category: Other
SQL Server versions: 2012, 2014, 2016, 2017


1 Answer


Waiting for the database to restart under AlwaysOn Availability Groups control. Under normal conditions, this is not a customer issue because waits are expected here. Information from Microsoft®


This wait has never occurred recently

HADR_DATABASE_WAIT_FOR_RESTART has not occurred recently on 4207 instances checked.

Prevalence of HADR_DATABASE_WAIT_FOR_RESTART across the Spotlight Population