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Monitoring data archiving.

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How PRTG stores monitoring data for a long time period? For ex. if i have Ping sensor with one minute Scanning Interval will PRTG store this data with same period for 365 days? Or it will store last 90 days result with 60 sec. period, next 90 days with only 5 minute period result will be saved and next next...?

database historic-data results

Created on Sep 26, 2018 8:36:21 PM by  Vasiliy (12) 1



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Hello Vasily,

PRTG stores the raw data for the whole time (default 365 days). Please note that PRTG will calculate averages if a time span longer then 40 days is called.

I hope this clarifies the behavior.


Kind regards,
Birk Guttmann, Tech Support Team

Created on Oct 1, 2018 3:49:23 PM by  Birk Guttmann [Paessler Support]



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Can this behavior be changed?

Created on Oct 4, 2018 8:40:01 AM by  Vasiliy (12) 1



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Dear Vasily,

the default time frame to keep historic data is 365 days. You can change this via menu "Setup" / "System Administration" / "Cores&Probes", section "Historic Data Purging", field "Historic Sensor Data".

Created on Oct 4, 2018 2:58:07 PM by  Arne Seifert [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.