Book 5 · Lesson 5.10
Log replay and reprocess history
- Explain consumer group offset reset
- Relate ON CONFLICT to safe replay
- Use KafkaOffsetRewind conceptually
Prerequisites: 5.9 · 2.7
log end offset: 10 · consumer at: 10 · lag: 0Reprocessing enriched topic re-runs LLM/heuristics — idempotent Postgres writes prevent duplicate PK errors.
Teach-back prompt
Dev vs prod offset reset — what changes?
Offset replay dev
Lab complete — nice work.