https://blog.devops-monk.com/tags/non-blocking/Recent content in Non-Blocking on Devops MonkHugoen-usMon, 04 May 2026 00:00:00 +0000https://blog.devops-monk.com/tutorials/java8/completablefuture/Mon, 04 May 2026 00:00:00 +0000https://blog.devops-monk.com/tutorials/java8/completablefuture/The Problem with Future<T> Fetching a product page on an e-commerce site requires at least three data sources: product details, live pricing, and inventory availability. Done sequentially, a 200 ms call to each service adds up to 600 ms. Done in parallel with a properly composed CompletableFuture pipeline, the wall-clock time drops to roughly the slowest of the three — around 200 ms. This article shows exactly how to build that pipeline and everything else you need to write robust async code in Java 8.