Assume that you run a complex query in Microsoft SQL Server 2012 or in Microsoft SQL Server 2014, and it takes a long time to compile the query. In this situation, a "Non-yielding Scheduler" condition occurs during the query compilation. Additionally, a mini dump file is generated.
Note SQL Server performance may decrease at that time. The "Non-yielding Scheduler" condition disappears when the query compilation is completed.
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.