JJani Giannoudis·Jul 21Tritemporal Event Sourcing: The Missing Time Axis in Your Event Store How a third time axis — Evaluation Time — turns retroactive corrections, forecasts, and audit reconstruction into one resolution rule12 min read·giannoudis.hashnode.dev
DDevesh Parmar·Jul 19Event Sourcing vs CRUDOn January 31, 2017, an engineer at GitLab ran a command meant to clear a stalled replication database. He ran it on the wrong terminal, against the primary production database. In seconds, around 3005 min read·backend-bytes.hashnode.dev
NNorbert Rosenwinkel·May 31Append-only doesn't mean what you'd hopeEvent sourcing gets sold on immutability. You don't update, you don't delete, you only append, so the history is permanent. It mostly isn't. The events are immutable because your code agrees not to to7 min read·the-pragmatic-architect.hashnode.dev1
Kkingsley ebube onoh·May 6Why I Made WebSocket Delivery the Disposable Part of the Tracking SystemThe uncomfortable failure is not a carrier outage. That one is loud. The polling loop logs it, retries it, and moves on. The failure I had…8 min read·kingsleyonoh.hashnode.dev
Kkingsley ebube onoh·Apr 18The Compliance Problem That Disappears When You Stop Updating Rows"Show me everything that happened to discrepancy #4721 between Tuesday and Thursday." In a system with mutable records, the answer takes an…7 min read·kingsleyonoh.hashnode.dev
Kkingsley ebube onoh·Apr 18Why Extracted Obligations Never Activate ThemselvesThe RAG Platform returns 12 obligations from a signed MSA. Nine of them are real payment schedules with deadline clauses and clause…7 min read·kingsleyonoh.hashnode.dev
MMike Dyer·Apr 5Introducing Moment and Facet: Your Domain Model Deserves to Run Before Your Code DoesYou changed a field. Three downstream services broke in production. Nobody knew until production. Today I'm releasing the tools I built to make that impossible.8 min read·blog.coada.dev
AAbstract Algorithms·Mar 13Microservices Data Patterns: Saga, Transactional Outbox, CQRS, and Event SourcingPreserve business consistency across services with explicit write, publish, and compensation flows.14 min read·abstractalgorithms.hashnode.dev
AAbstract Algorithms·Mar 13Event Sourcing Pattern: Auditability, Replay, and Evolution of Domain StatePersist domain facts as immutable events and rebuild state predictably under change.15 min read·abstractalgorithms.hashnode.dev
DDevTools Guide·Mar 3Event-Driven Architecture Tooling: CQRS, Event Sourcing, and Saga PatternsEvent-Driven Architecture Tooling: CQRS, Event Sourcing, and Saga Patterns Event-driven architecture (EDA) replaces direct service-to-service calls with events -- immutable facts about things that happened. Instead of OrderService calling InventorySe...9 min read·devtoolsguide.hashnode.dev