Available Memory SNMP MIB for post-2016 kernel/CentOS 7+?
Solution 1:
As per net-snmp-libs version: 5.7.2-43 memAvailReal
now returns the available memory instead of the free memory. This package should be available in RHEL/CentOS 7.7
More information: https://access.redhat.com/errata/RHBA-2019:2239 https://bugzilla.redhat.com/show_bug.cgi?id=1250060
Update: This change was reverted: https://bugzilla.redhat.com/show_bug.cgi?id=1779609 & https://sourceforge.net/p/net-snmp/code/ci/ef6db67f708f6590fb9d2797022ca1d957c89073