FIX: Memory use with many databases greater in SQL Server 2016 than earlier versions

Applies to: SQL Server 2016 Enterprise CoreSQL Server 2016 EnterpriseSQL Server 2016 Developer More

Symptoms


Assume that you have many databases (for example, 1,000 databases) in a single instance of Microsoft SQL Server 2016 or 2017. You may notice that memory usage is greater when you compare it to memory usage in earlier versions of SQL Server.

Resolution


This fix is included in the following cumulative updates for SQL Server: 

Cumulative Update 2 for SQL Server 2017

Cumulative Update 9 for SQL Server 2016 RTM

Cumulative Update 6 for SQL Server 2016 SP1

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.