Memory Grant Feedback Persistence in SQL Server 2022

As a SQL Server DBA, effectively controlling memory allocations is essential to guaranteeing optimal query performance. In SQL Server 2022, Microsoft enhanced a powerful feature called Memory Grant Feedback Persistence, which allows SQL Server to better anticipate memory requirements for future query executions. This feature solves a common issue wherein SQL Server may overestimate or underestimate the amount of memory required for a query, resulting in less-than-ideal performance or even the failure of the query.

Understanding Memory Grant Feedback Persistence

Memory Grant Feedback Persistence operates by recording and preserving data on the real memory consumption of queries as they are