KB3121647 - FIX: "Non-yielding Scheduler" condition when you query a partitioned table that has a columnstore index in SQL Server 2014


Assume that you have a table that has lots of partitions and a columnstore index in Microsoft SQL Server 2014. When you run a query against the table, a "Non-yielding Scheduler" condition may occur, and SQL Server generates a memory dump file.


Cumulative update information

The issue was first fixed in the following cumulative update for SQL Server 2014:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server 2014:


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

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.