https://sohilladhani.com/blog/tags/ordering/Recent content in Ordering on Sohil Ladhani BlogHugoen-usThu, 16 Apr 2026 00:00:00 +0000https://sohilladhani.com/blog/post/2026-04-16-sequenced-writes/Thu, 16 Apr 2026 00:00:00 +0000https://sohilladhani.com/blog/post/2026-04-16-sequenced-writes/Two events arrive out of order. You don’t know they’re out of order. You process them anyway. The system ends up in a state that never should have existed. Sequence Numbers as the Foundation A global sequence number assigned to every write event is the most direct solution to ordering problems. Event 1, event 2, event 3. If event 4 arrives after event 6, you know something is missing. You wait, or request a replay, rather than blindly processing forward.