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PRTG file content sensor old data

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We montor logfile on local filesystem of PRTG probe system and use the File Content sensor. The logfile is rotated almost daily and when the logfile rotates the search string (error of some application) cannot be found anymore. This senssor alsways worked fine but at somepoint it started seeing old occurences of the search string we monitor. These ocurrences cannot be found in the current logfile but PRTG reports the search string, it finds the string in what it looks like old logfile from several months old. Are these file's cached somewhere? Created new file content sensor on the remote probe did not solve my problem.

file-content-sensor prtg windows-2008-r2-sp1

Created on Jul 28, 2015 7:26:32 AM by  Jan Baggen (0) 1



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Dear Jan

Files checked by the content sensor are not cached. Please open the sensor setting tab and check the "Network Usage" option. You have two choices:

  • Only transmit to PRTG new lines at the end of the file (default, BETA)
  • Always transmit to PRTG the entire file

If you toggle that option, does the sensor return to normal behavior?

Created on Jul 29, 2015 2:11:23 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.