Welcome to the Jungle - A safari through the JVM landscape
summary
Survey of practical differences among JVM builds not generalities you already know It lists 20+ OpenJDK distributions, shows which ones pass TCK and AquaVit compliance (only a handful), and compares support, update cadence (STS vs LTS), CPU vs PSU patch semantics, and licensing costs. Examples: Amazon Corretto adds SnapStart for Lambda, GraalVM native-image trades startup for slower native throughput, Tencent Kona ships Loom-like fibers for JDK8/11, and Azul Platform Prime reports up to 30–40% faster throughput for high‑performance use cases.
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chapters (12)
- 0:00Welcome and introduction
- 2:35JVM basics and JDK structure
- 6:26JDK distributions overview
- 10:43Support terms and LTS vs STS
- 13:55Updates and CPU vs PSU
- 17:28TCK compliance explained
- 21:45Cost and licensing models
- 25:43Performance myths debunked
- 28:50High-performance JVMs
- 33:09Cloud-specific features
- 36:59Alternative JVMs and features
- 42:45Key takeaways and closing
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