In the landscape of modern Java development, particularly in 2025, the demand for high-throughput, non-blocking applications has never been higher. While the introduction of Virtual Threads in Java 21 revolutionized how we handle concurrency, the CompletableFuture API remains the gold standard for composable asynchronous logic.
For years, the standard PHP request-response lifecycle (the “share-nothing” architecture) has served us well. However, as modern web applications demand instantaneous feedback—think live notifications, collaborative editing, and chat apps—the traditional HTTP model struggles.