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: Idle
SQL Server versions: 2012, 2014, 2016, 2017

This is an idle wait and so it can be safely ignored.


1 Answer


An AlwaysOn secondary replica is waiting for the primary replica to send all requested FILESTREAM files during UNDO. Information from Microsoft®


This wait has never occurred recently

HADR_FILESTREAM_FILE_REQUEST has not occurred recently on 4207 instances checked.

Prevalence of HADR_FILESTREAM_FILE_REQUEST across the Spotlight Population