In the heart of amazing software development, in the city Brno, we launched a blog to share our thoughts.

CloseIT Hackathon #1

A few days ago, our first company hackathon finished successfully. But in order to define success, we have to define goals. With every new project, we evaluate what technologies to use.

CloseIT DevTips May 2020

The end of the month is marked by devtips recommended by developers from CloseIT. Look at interesting blog posts and website that we found during May.

When You Flush The CodeCache

In the previous blog post, I wrote about our problem with JVM CodeCache. This cache is used for saving compiled machine code and if your Java application generates new code on the fly, it will eventually fill.

When You Fill The CodeCache

As a Java developer, you don't need to know internal details of JVM most of the times. The virtual machine is not a trivial piece of technology and learning internal details can be scary. But there are times, when you find something interesting in the logs, which seems to be important. Like the message: CodeCache is full. The compiler has been disabled. Try increasing the code cache size using -XX:ReservedCodeCacheSize=