Distributed Systems
Idempotency Keys for Distributed Systems
Idempotency keys make retried requests safe so a timed-out payment or duplicate POST applies exactly once. The design, storage, and TTL decisions that matter.
#idempotency
2 articles
Distributed Systems
Kafka Replay Strategy Without Duplicate Events
Replaying a Kafka topic re-delivers events, so duplicates are guaranteed unless consumers are idempotent. The safe replay playbook: dedup, offsets, and isolation.