At work, I maintain a #java app with #JavaEE backend and #vue2 frontend. It's #java17 already, #JakartaEE will shortly follow due to the #ApacheShiro 2.0 update. It runs on #Java20 so it will be ported to #java21 soon!

However, that's only half of my job. The other is: making Java, web- and appservers ready for deployment, hardening everything, creating scripts for automation and deployment, a few other Java apps...

... I love it, and I have never seen a similar job description in my life!

Shiro cache size

How to estimate size for Apache Shiro permissions cache? For example, permissions strings are implemented in format: <domain>:<resource_group>:<resource_name>:<permission> ...

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