Mark Schulz
In my day job, I’m a DevOps engineer in a central team that provides Jenkins and other DevOps tooling.
In this post, we share our experience upgrading Jenkins from Java 17 to Java 21 and the impact this had on memory usage. After the move, we observed a reduction in out-of-the-field memory consumption from a monthly mean of 33–34 GB down to 28 GB. This improvement helped us reduce operational pressure and improve overall efficiency in our Jenkins environment. Why we upgraded...
