Friends of OpenJDK

Friends of OpenJDK Today

foojay is a place for friends of OpenJDK, providing free, reference materials and blogs for daily Java usage.

In part 1 of this new Foojay series, learn about JDK Flight Recorder and how we can use it to monitor a Spring Boot application.

Don't be a victim of development trends that are "hot" right now, but might not actually be best for your specific business!

Jan 11, 2022 Shai Almog

Memory usage is one of the most important aspects for devs in general and Java SE devs in particular. GC tips, tricks, internals, and more!

If you're implementing microservices or not, chances are that you're calling HTTP endpoints. With HTTP calls, a lot of things can go wrong.

Jan 10, 2022 Karsten Silz

I think the Java community handled this crisis poorly and needs to do much better next time. What do you think?

Jan 7, 2022 Shai Almog

Standard Java methods hashcode & equals are crucial to performance but this is very hard to detect as they're often too small for profilers.

Learn how to configure K8ssandra for your development machine, and get ready to start building cloud-native apps.

Read all about how K8ssandra is an open source project with the mission of capturing SRE knowledge and best practices.

Let's learn about adding some more data to our messaging system with another member of the Raspberry Pi family: the Pico.

The new Kafka Connect Adaptor completes the Pulsar-Kafka compatibility ecosystem, allowing an iterative transition from Kafka to Pulsar.