Are you measuring Linux web server memory usage correctly?

Originally published at: Are you measuring Linux web server memory usage correctly?

This article was first published in 2014. Afterwhich, there was a welcomed change to the Linux kernel in 2016; as mentioned in the 2017 article: Does your Linux server need a RAM upgrade? Let’s check with free, top, vmstat and sar. As outlined here, memory is now marked as available by the Linux kernel: “Estimation of…