OpenJDK 11, Tools of the Trade

[vbsteven]

https://www.javaadvent.com/2019/12/openjdk-11-tools-trade.html

[jerven]

I especially like to use jstack (well not like) but it really helps to figure out the issues when a process seems to be hanging. And you can even use it as a brute profiler, doing manual sampling and correlation.