Symptoms

Assume that you have a database on SQL Server 2019 that's using Read Committed Snapshot Isolation (RCSI). If you are running a highly concurrent transactional workload against the database, you may observe contention on the XVB_List spinlock as well as high CPU utilization.

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 update 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.

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