Occurs during synchronizing of access to process affinity settings. Information from Microsoft®
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.
SOS_PROCESS_AFFINITY_MUTEX
Category: Other
SQL Server versions: 2005, 2008, 2008 R2, 2012, 2014, 2016, 2017
What is SOS_PROCESS_AFFINITY_MUTEX?
1 Answer
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answered 3348 days ago
Spotlight Essentials
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This wait never occurs for most instances
For each of 4207 instances, we ranked SOS_PROCESS_AFFINITY_MUTEX on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of SOS_PROCESS_AFFINITY_MUTEX across the Spotlight Population
For 80 % of hours with this wait, average wait time is less than 0.039 ms
For each instance, we found all the recent hours when it had a SOS_PROCESS_AFFINITY_MUTEX wait. We found the average latency for each of those hours.
380 instances contributed data to this chart