I am using NPM to monitor my enclave which consists of RHEL 7.6 KVM hypervisors and the memory polling is completely off. I am hoping to gain a better understanding of configuring the polling so my numbers are more accurate.
For example:
I will continue to get alerts regarding memory utilization on this server because i believe NPM is polling the "free" value vs "available"
[wkimball@jetty ~]$ free -h
total used free shared buff/cache available
Mem: 502G 254G 4.2G 2.6G 243G 240G
Swap: 5.0G 834M 4.2G
As you can see we have 243G reserved for buffering / cache and 240 "available" and my alert will report 98% utilization. I love NPM and its been a very helpful tool but this is driving me crazy!!
Any information would be greatly appreciated 
-Will
