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SQL Workload Analysis displays the number of page faults per second as seen by the SQL Server process; as well as, the server machine instance corresponding to the specific monitored instance.

The Page Faults/sec graph shows a contrast between the SQL Server Page Faults/sec and the Server page Faults/sec, drill-down the graph for a detailed view of a specific time or a specific range of time.



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Page Faults occurs when a program requests an address on a page that is not in the current set of memory resident pages.

When a page fault is encountered, the program execution stops and is set to the Wait state. The operating system searches for the requested address on the disk. When the page is found, the operating system copies it from the disk into a free RAM page. The operating system allows the program to continue with the execution afterward.

Monitoring Page Faults/sec counter shows both had and soft page faults, so it can be difficult to determine whether the page faults value indicates performance problems in SQL Server, and should be addressed, or presents a normal state.

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