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Why a batch process over real-time?

Behavioraleasy0.2 min readPremium
Frequency
Low
Asked at 1 company
Category
144
questions in Behavioral
Difficulty Split
100E|18M|26H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Daniel Wellington
Expert AnswerPremium
49 wordsInterview-ready
Situation: Batch vs real-time. Task: Trade-off analysis. Action: Why batch: latency allows it; cheaper; simpler; some sources batch-only; exactly-once easier. Real-time when: sub-second needed (fraud); event-driven. Best: start batch; add real-time when needed. Many 'real-time' use cases served by frequent batch (e.g. 5 min)....
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