Optimistic concurrency is the whole design: event sourcing on Aurora DSQL
An append-only decision log kept it coherent. Quorum is an incident command plane built on Amazon Aurora DSQL. This one is about a narrower question that turned out to be the foundation: when several responders write to the same incident at the same moment, across regions, during the worst minutes of an outage, how do you guarantee the record never forks into two conflicting truths.
- ▪An append-only decision log kept it coherent.
- ▪Quorum is an incident command plane built on Amazon Aurora DSQL.
- ▪This one is about a narrower question that turned out to be the foundation: when several responders write to the same incident at the same moment, across regions, during the worst minutes of an outage, how do you guarantee the record never
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| Canonical URL | https://dev.to/hocmemini/optimistic-concurrency-is-the-whole-design-event-sourcing-on-aurora-dsql-cj7 |
| Publication time | Mon, 15 Jun 2026 00:06:27 +0000 |
| Retrieval time | 2026-06-15T00:37:34.617Z |
| Last seen | 2026-06-15T00:37:34.617Z |
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3984446) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Jonathan Posted on Jun 15 Optimistic concurrency is the whole design: event sourcing on Aurora DSQL #aws #database #distributedsystems #postgres Building Quorum on Aurora DSQL (3 Part Series) 1 Optimistic concurrency is the whole design: event sourcing on Aurora DSQL 2 Surviving the region you run in: failover on Aurora DSQL, and what the demo proves 3 I built a region-survivable system by directing an AI agent. An append-only decision log kept it coherent.
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