Data Flush Tasks of a memory-optimized temporal table may consume 100-percent CPU usage in SQL Server 2016

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


The data flush task may intermittently take 100-percent of the CPU usage. This may occur when the data flush task moves data from the internal memory-optimized history table of a memory-optimized system-versioned temporal table to its disk-based history table.

Note The data flush task is an automatic background task.


The fix for this issue is included in the following cumulative update for SQL Server:


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


Learn about the terminology Microsoft uses to describe software updates.