Virtual Threads power with Helidon Nima
summary
Helidon Nima is a new server built from scratch that uses virtual threads (JDK19+ and slated for Java 21) to run blocking APIs with reactive-level throughput. Demo compares a 10s blocking endpoint under a 10-thread pool (errors) to the same code on Nima where quick requests succeed and requests‑per‑second match reactive implementations. MicroProfile apps see about 3x faster behavior simply by switching runtimes. Alpha releases are on Maven Central (current Alpha6), and blocking code becomes straightforward to debug in an IDE.
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chapters (7)
- 0:00Introduction and speaker intro
- 9:14What is Helidon and its philosophy
- 25:51Project Loom and virtual threads
- 30:53Helidon Nima and its advantages
- 37:17Blocking vs reactive performance demo
- 41:13Virtual threads performance boost demo
- 45:30Why virtual threads matter
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