KB4529876 - FIX: Memory may not get released when you process partitions with data in SQL Server

Applies To
SQL Server 2016 Developer - duplicate (do not use) SQL Server 2016 Enterprise - duplicate (do not use) SQL Server 2016 Enterprise Core - duplicate (do not use) SQL Server 2016 Standard - duplicate (do not use) SQL Server 2017 Developer on Windows SQL Server 2017 Enterprise Core on Windows SQL Server 2017 Enterprise on Windows SQL Server 2017 Standard on Windows SQL Server 2019 on Windows

Symptoms

When you process partitions that already have data in Microsoft SQL Server, you may notice that the memory that's expanded from the processing commands does not get released after the processing is completed. In addition, the more processing commands you run, the more the memory grows until there's no more available memory.

Status

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

Resolution

This issue is fixed in the following cumulative updates for SQL Server:

About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

References

Learn about the terminology that Microsoft uses to describe software updates.