This task returns aggregate performance statistics based on sessions connected to the SQL Server instance.
Long description:
This task returns aggregate performance statistics based on sys.dm_exec_sessions dynamic management view and sysprocesses view. The views contains one row per connection, and the lifetime of the rows are tied to connection itself. When a session is disconnected/terminated, the corresponding row are eliminated from this views which might produce inaccurate results if there are sessions disconnected between sampling of statistics by the dbWatch task.
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