To monitor your SQL Server instances, SQL Elements 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 Elements collects information and the amount of time that this information will be retained.
| Data Category | Schedule | Data Retention | Alerts | Health Checks |
|---|---|---|---|---|
| Discover Instances | Daily | N/A | No | No |
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 |
Refresh collection
SQL Elements 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.