This article applies as of PRTG 22
Data retention and historic data purging
PRTG stores everything from monitoring configurations, data, and logs to tickets and reports in the PRTG data directory on the probe system. Data is also found in the PRTG program directory. These directories are not accessible for users of Paessler PRTG Hosted Monitor.
Stored data is retained according to historic data purging limits. These limits cannot be changed by users of Paessler PRTG Hosted Monitor.
Setting | Default Purge Limits (Days) |
Log File Records | 30 |
PRTG Web Server Log Records | 30 |
Historic Sensor Data | 365 |
Toplist Records | 30 |
Closed Tickets | 365 |
Reports | 365 |
Configuration Auto-Backups | 30 |
Screenshots of HTTP Full Web Page Sensor | 10 |
Once these limits are reached, the system purges historic data, completely deleting them from the directories. Deleting unnecessary data helps free up disk space, which encourages improved system performance.
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