Symptoms
Assume that you have a database that includes columnstore indexes on a Microsoft SQL Server 2014 instance. When the server is under memory pressure and there are many objects in the columnstore object pool, a "Non-yielding Scheduler" error may occur. This may cause SQL Server to freeze or become unresponsive.
Resolution
This problem was first fixed in the following cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and security fixes that were included with the previous cumulative update. View the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology Microsoft uses to describe software updates.