#virtual-threads

3 post(s)

Spring Boot Virtual Threads:Flip One Flag, Then Fix What Breaks

Enable spring.threads.virtual.enabled on Boot 3.2+, understand what Tomcat and the application task executor actually switch, and size Hikari, RestClient, and observability so the flag does not become a thundering herd.

Java

Locks After Loom:When `synchronized` Still Wins

After virtual threads, when intrinsic locks still win — pinning vs JEP 491, wait/notify, monitors, and ReentrantLock — so you do not treat synchronized as obsolete.

Java

Virtual Threads:Millions of Tasks Without a Thread Pool Circus

What Java virtual threads are (JEP 444 / Java 21), how they differ from platform threads, when they win for I/O-bound work, and the pinning and ThreadLocal gotchas—plus what Java 25 changed.