http://ddinsights.net/tags/cap-theorem/Recent content in Cap-Theorem on Distributed Data InsightsHugoen-usSun, 07 Jun 2026 10:00:00 -0700http://ddinsights.net/posts/why-distributed-data-is-hard/Sun, 07 Jun 2026 10:00:00 -0700http://ddinsights.net/posts/why-distributed-data-is-hard/<p>Every distributed data system is an answer to the same uncomfortable question: <em>what do you do when part of your system fails but the rest keeps running?</em> On a single machine, a crash takes everything down together — clean, if catastrophic. Across a network, failure is <strong>partial</strong>, <strong>ambiguous</strong>, and <strong>constant</strong>.</p> <h2 id="the-three-things-the-network-takes-away">The three things the network takes away</h2> <p>When you split state across machines, you lose three guarantees you took for granted on a single box:</p>