Occurs during state synchronization for transactions in Query Notifications. Information from Microsoft®
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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.
QUERY_NOTIFICATION_SUBSCRIPTION_MUTEX
Category: Other
SQL Server versions: 2005, 2008, 2008 R2, 2012, 2014, 2016, 2017
What is QUERY_NOTIFICATION_SUBSCRIPTION_MUTEX?
1 Answer
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answered 3108 days ago
Spotlight Essentials
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This wait has never occurred recently
QUERY_NOTIFICATION_SUBSCRIPTION_MUTEX has not occurred recently on 4207 instances checked.