– When you have high load on your server, and the Web App is not responding, you want to quickly understand what is the cause?
What process is responsible for the high load, and what is that process doing that is so much resource intensive
– Top command gives you load average
https://unix.stackexchange.com/a/146090/199505
https://haydenjames.io/linux-server-performance-disk-io-slowing-application/
https://dzone.com/articles/java-memory-and-cpu-monitoring-tools-and-technique
ps -p 10371 -o %cpu,%mem,cmd
%CPU %MEM CMD
9.2 2.4 /usr/java/1.8/jre/bin/java -jar sendgrid-engagement-1.0.jar
Into Java 