David Pless articles

David Pless
David Pless
Principal Program Manager, Microsoft

Improve scalability with system page latch concurrency enhancements in SQL Server 2022 

Over the past several SQL Server releases, Microsoft has improved the concurrency and performance of the tempdb database. In SQL Server 2022 we are addressing one of the last areas of contention by introducing concurrent global allocation map (GAM) and shared global allocation map (SGAM) updates which will give SQL Server 2022 a big improvement for scalability as tempdb is arguably the most important database in your environment.