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SNMP free Memory Issue

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Hello community, maybe you can help again, because I could not find any solutions while searching the internet. When querying the memory of Oracle Linux 7.5 UEK Kernel via SNMPv3, there is a difference of more than 30% between what Linux provides via free -m and PRTG. Sometimes the difference is more than 2 GB. The PRTG server and the Linux server are in the same VLAN. Do you have an idea?

We are in despair here and are also doubting our monitoring with PRTG.

Thank you all so far. Best regards Simon Baumbach

meminfo prtg snmp

Created on Jul 19, 2018 12:05:05 PM by  baumbach (0) 1



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Hi Baumbach,

Thank you for your message.

Please have a look at the following knowledge base articles about this topic:


Andreas Günther
Tech Support, Paessler AG

Created on Jul 23, 2018 5:57:44 AM by  Andreas Günther [Paessler Support]

Last change on Jul 23, 2018 5:58:00 AM by  Andreas Günther [Paessler Support]



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