Latest / Deep End Era. Engineering with Sankalp
Charged Twice: Event Sourcing, Sagas and Durable Execution
Why timeouts are ambiguous and exactly-once delivery is impossible; ACID, two-phase commit and their limits; the ledger and event sourcing, snapshots, schema evolution and crypto-shredding; the log as a unifying abstraction and LMAX; CQRS and eventual consistency; Lamport clocks and per-entity ordering; sagas, compensation, choreography versus orchestration; idempotency keys; the dual write problem, outbox and CDC; workflow engines from SWF to Cadence, Temporal, Step Functions and Durable Functions; deterministic replay and versioning; Horizon, Knight Capital and TSB; chaos, Jepsen and…
The skinny
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