30-second elevator pitch: "Contention happens when two users act on the same data at once, like two people buying the last concert ticket. I fix it by making operations atomic, using locks when conflicts are common, or optimistic concurrency when they are rare. For distributed systems, I use sagas or two-phase commit. I always exhaust single-database so…
Dealing with Contention
- Fix race conditions with atomicity, locks, or optimistic concurrency. Scale to distributed coordination when m...
