Target Server Memory
SQL Server's "Target Server Memory" is a key performance counter that indicates the ideal amount of memory SQL Server's memory manager could consume based on the current workload and configured memory limits. This value is managed internally by SQL Server and is not directly visible as a process's memory usage in Windows Task Manager.
Understanding Target Server Memory in relation to Task Manager:
Target Server Memory (KB): This is a performance counter within SQL Server's Memory Manager object, accessible via tools like Performance Monitor (Perfmon) or by querying dynamic management views (DMVs) like sys.dm_os_performance_counters. It represents what SQL Server desires to use.
Total Server Memory (KB): Another SQL Server performance counter, this indicates the amount of memory SQL Server currently has allocated. Ideally, Total Server Memory should be close to Target Server Memory when the system is stable and not under memory pressure.
Task Manager: When you view sqlserver.exe in Task Manager, you see the operating system's perspective of the process's memory usage (e.g., "Memory (Private Working Set)" or "Working Set").
Task Manager provides a general view of sqlserver.exe's memory consumption from the OS perspective.
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T. Amit Vaid S.
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