this wait type can also occur when an AlwaysOn DDL statement or Windows Server Failover Clustering command is waiting for exclusive read/write access to the configuration of an availability group
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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.
HADR_AG_MUTEX
Category: Other
SQL Server versions: 2012, 2014, 2016, 2017
What is HADR_AG_MUTEX?
2 Answers
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answered 3348 days ago
Richard Rowe
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Occurs when an AlwaysOn DDL statement or Windows Server Failover Clustering command is waiting for exclusive read/write access to the configuration of an availability group. Information from Microsoft®
answered 3348 days ago
Spotlight Essentials
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This wait never occurs for most instances
For each of 4207 instances, we ranked HADR_AG_MUTEX on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
Prevalence of HADR_AG_MUTEX across the Spotlight Population
For 78 % of hours with this wait, average wait time is less than 0.62 ms
For each instance, we found all the recent hours when it had a HADR_AG_MUTEX wait. We found the average latency for each of those hours.
409 instances contributed data to this chart