https://www.visorcraft.com/news/tags/systems/Recent content in Systems on VisorCraft NewsHugoen-USThu, 16 Jul 2026 10:00:00 -0500https://www.visorcraft.com/news/2026/07/linsight-the-hot-path-has-no-async-runtime/Thu, 16 Jul 2026 10:00:00 -0500https://www.visorcraft.com/news/2026/07/linsight-the-hot-path-has-no-async-runtime/<p>The reflexive choice in modern Rust services is <code>#[tokio::main]</code>, and the reflexive architecture is &ldquo;every I/O call is async, every handler is a future, every blocking call is wrapped in <code>spawn_blocking</code> and apologized for&rdquo;; on a system monitoring daemon that polls <code>/proc</code> and <code>/sys</code> and pushes a number to clients over a loopback socket, every one of those reflex choices is overhead you do not need, and the result is a hot path that does the same work in roughly a ninth of the time with a tenth of the resident footprint, because the runtime was never the right tool for the job in the first place.</p>