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: CLR
SQL Server versions: 2005, 2008, 2008 R2, 2012, 2014, 2016, 2017

What is CLR_JOIN?

1 Answer


Occurs when a task is currently performing CLR execution and waiting for another task to end. This wait state occurs when there is a join between tasks. Information from Microsoft®


This wait has never occurred recently

CLR_JOIN has not occurred recently on 4207 instances checked.

Prevalence of CLR_JOIN across the Spotlight Population