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


Accessing (look up, add, and delete) the extended recovery fork stack for an AlwaysOn availability database. Information from Microsoft®


This wait has never occurred recently

HADR_XRF_STACK_ACCESS has not occurred recently on 4207 instances checked.

Prevalence of HADR_XRF_STACK_ACCESS across the Spotlight Population