FIX: Delays when Query Store Async Load is enabled in SQL Server 2016

Applies to: SQL Server 2016 DeveloperSQL Server 2016 EnterpriseSQL Server 2016 Enterprise Core


Assume that you use Microsoft SQL Server 2016 with adatabase that has the Query Store feature enabled, and Async Load is enabledthrough trace flag 7752. After a restart, failover, or database restore, thedatabase may take a long time to become online while Query Store loads. Thedelay can be proportional to the number of queries stored in the Query Store.
Note: This issues does not affect other versions of SQLServer.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. 


This issue is fixed in the following cumulative update for SQL Server:

About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:


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