Memory usage not showing correctly

[tomclay]

Hi, I have been having an issue with this for a while now.

I am trying to graph the memory usage of our servers, I am using the item vm.memory.size[used] but on the graph, this shows what looks like the free/available memory. The agent is running on a CentOS 7 box.

I know the server idles around 5GB, but the graph is showing average of around 15GB

Zabbix version 4.0.3

Thanks

[tomclay]

Just in case anyone else has this issue, I managed to figure out the issue. used includes cached buffers, so I swapped it out for active and all was good.