Welcome to the Jungle - A safari through the JVM landscape
summary
Overview of the JVM ecosystem that names the concrete tradeoffs: OpenJDK is source only while many distributions (≈20+ builds) provide binaries with different support and licenses; release cadence is six‑monthly with LTS every two years; use JLink to create much smaller JREs for containers; updates come as PSUs (feature + fixes) and CPUs (security only), CPUs lag three months but are safer; compatibility relies on the TCK/Aquavit suites; high‑performance options like Azul Platform Prime (Falcon + C4) claim up to ~50% faster throughput and include CRaCK checkpoint/restore and runtime vulnerability detection.
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chapters (15)
- 0:00Introduction
- 2:53Talk purpose
- 3:56OpenJDK and distributions
- 8:52JDK vs JRE and JLink
- 11:23OpenJDK builds overview
- 15:18Choosing a JDK distribution
- 19:30PSU vs CPU releases
- 24:29TCK compliance importance
- 29:10Aquavit testing readiness
- 30:59JDK licensing costs
- 33:27JDK performance differences
- 35:12High-performance JVMs
- 36:36JDK distribution features
- 43:17Summary
- 44:41Q&A
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