Introducing data virtualization with PolyBase

SQL Server Target Memory If running Slow....

https://learn.microsoft.com/en-us/sql/relational-databases/performance-monitor/monitor-memory-usage?view=sql-server-ver16

https://learn.microsoft.com/en-us/troubleshoot/sql/performance/troubleshoot-slow-running-queries

Introducing data virtualization with PolyBase

https://learn.microsoft.com/en-us/sql/relational-databases/polybase/polybase-guide?view=sql-server-ver16