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The Spring Blog is a resource for developers working with the Spring Framework, providing insights, tutorials, and best practices for building enterprise Java applications. Covering a wide range of topics, including Spring Boot, Spring MVC, and Spring Data, the blog offers practical guidance on application architecture, dependency injection, and integration with other frameworks. Developers can learn how to leverage the power of Spring to create scalable, maintainable, and robust Java applications that meet the demands of modern software development.

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Java and Spring Boot developers are living in the best time with improved features and tools. The post discusses the benefits of using Spring Boot, the use of Java 21 and GraalVM, the power of Java records, and the introduction of virtual threads for improved scalability.

Bootiful Spring Boot in 2024 (part 1)

As often with Virtual Threads, they are showcased as a silver bullet which will magically improve scalability.
Yes, with Spring Boot 3.2 you can easily enable them and… break your app.
Be aware:
<ul>
<li>JNI (thread pinning)</li>
<li>synchronized (thread pinning)</li>
<li>CPU intensive tasks (thread monopolization)</li>
<li>Thread Local variables (memory)</li>
<li>every single lib you depend on must be VT friendly</li>
</ul>
Also virtual threads are less performant than platform threads and their memory footprint (although significantly better) depends on the size of the stack.