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80. Learning
(교육/201708/ON)데이터 파이프라인의 이해 및 적정도구선정
B.데이터 저장
가. Apache kafka
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Kafka는 실시간에 가까운 데이터 처리.
Hadoop은 배치성, 대용량 데이터 처리를 위해서 사용.
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<<Apache kafka cluster architecture>>
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kafka에 데이터 저장은 원천데이터를 저장해 놓아야 한다.
원천데이터와 맞는지 데이터 정합성을 검증.
가공된 데이터로는 정합성을 검증하기 어려움.
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{"serverDuration": 137, "requestCorrelationId": "2f4873dff74bb2d0"}