To monitor your SQL Server instances, SQL Inventory Manager collects data on availability, responsiveness, configuration, performance, and capacity data on a specific schedule and maintains a history of the collected values for a certain amount of time.
The following table shows you the frequency with which SQL Inventory Manager collects information and the amount of time that this information is retained.
|Data Category||Schedule||Data Retention||Alerts||Health Checks|
|Discover Topology (databases, data files, servers, drives)||Sub job - runs at beginning of capacity and configuration jobs||N/A||No||No|
|Availability & Responsiveness at instance level||Every 30 seconds||Kept for 24 hours||Yes||Yes|
|Availability & Responsiveness at database level||Every 5 minutes||Kept every 5 minutes for 24 hours||Yes||Yes|
|Configuration data||Daily||Current Values||No||Yes|
|Capacity Data: Disk total space, disk free space, database data size, database log size, data file size, log file size||Hourly||Current Values||Yes||Yes|
SQL Inventory Manager allows you to refresh these metrics at any time from the instance view. For more information about this option, please refer to Viewing instance information.
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