Waiting Tasks – is the number of tasks that are waiting for processor, I/O, or memory to be released so the tasks can be processedĭatabase I/O – is the data transfer rate in MB/s from memory to disk, disk to memory, or disk to diskīatch Requests/sec – is the number of SQL Server batches received by the instance in a second The Processes pane % Processor Time – is the percentage of time the processors spend to execute threads that are not idle The context menu contains the Refresh interval option that can be set to a predefined value from 1 second to 1 hour ![]() The Overview pane contains the graphs for the most important SQL Server instance information. When the refresh interval is set to less than 10 seconds, the time that is used to run these queries can affect server performance” The Overview pane “Activity Monitor runs queries on the monitored instance to obtain information for the Activity Monitor display panes. ![]() The activities are queried only when the specific pane is expanded SQL Server Activity Monitor is a feature in SQL Server Management Studio that displays information about the SQL Server processes and their effect on SQL Server performance Activity Monitor panesĪctivity Monitor consists of several panes – Overview, Processes, Resource Waits, Data File I/O, and Recent Expensive Queries. ![]() Efficient monitoring provides enough information to diagnose problems, blocks, bottlenecks, and to fix them ![]() Monitoring system and SQL Server databases shows the metrics that indicate server performance.
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