Data Systems
exactly-once
a replayed event has no extra effect (idempotence / transactions)
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Stream ProcessingData SystemsMore terms from this board
- eventan immutable record of something that happened
- event sourcingevents as source of truth
- event time vs processing timewhen it happened vs when seen
- load balancing vs fan-outshare work vs everyone-gets-all
- log compactionkeep latest value per key
- log-based broker (Kafka)append-only, retained, replayable log
- microbatch / checkpointrecovery techniques
- offseta consumer's position
- producer/consumerwriter/reader
- stragglera late event
- stream-stream / stream-table joinwindow-correlate / enrich
- watermark'seen everything up to T'
- windowtumbling/sliding/session bucket