architecture How Distributed Locks Actually Work (And Why They’re Harder Than They Look) josedacruz, August 5, 2026August 5, 2026 TL;DR: A distributed lock stops two servers from doing the same risky thing at the same time, like selling the last concert ticket twice. The tricky part isn’t getting the lock — it’s what happens if the worker holding it crashes, freezes, or runs slower than expected. Get the timeout… Continue Reading