A mqtt broker supply a timestamp to each value. Is PRTG able to fetch past data from the MQTT broker ? F.ex. if the connection to the MQTT broker has been down for some time, will PRTG then fetch all data queued at the MQTT broker when the connection is established again ? Or does PRTG just fetch the last values available from the MQTT broker, and leave a gap in the graph ?
MQTT Subscripe sensor cached data
Modified on 2025-06-10 15:02:59 +0200
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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.
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.
Hello,
the MQTT sensor currently can not read historic data, only the last available. It is not yet decided if we expand the sensor in that direction, as we still gather feedback.
Jun, 2021 - Permalink