🚀 Virtual Threads vs Platform Threads — Spring Boot JDK 21 Performance Test
In this video, I demonstrate the real performance difference between traditional JVM platform threads and the new virtual threads introduced in JDK 21.
I built a complete Spring Boot application and executed high-load performance testing using executor service, Completable Future, and Tomcat virtual threads.
code repo: https://github.com/easyCodeProggamer/...
🧪 Test Setup
• Spring Boot 3
• JDK 21 Virtual Threads
• Platform Threads (ExecutorService)
• REST API with blocking operations
• Load Testing using JMeter
📊 Results demonstrated
Virtual Threads show:
• Massive scalability
• Lower memory footprint
• Better throughput
🧠 Topics Covered
• What are Platform Threads
• How JVM creates OS Threads
• What are Virtual Threads
• Carrier Threads explained
• ExecutorService vs VirtualThreadPerTaskExecutor
• CompletableFuture vs Virtual Threads
• Tomcat with Virtual Threads
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