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discussion · ArchDays 2023

Public System Design Interview at ArchDays 2023

October 27, 2023 · ArchDays 2023

A public system design interview from ArchDays 2023: the on-stage task is to design an A/B testing platform. Below are the discussion focus, the full recording, and the detailed case walkthrough.

Discussion focus

  1. 01How do you describe an A/B platform through experiments, variants, audiences, and metrics?
  2. 02How do you separate experiment configuration, assignment service, event collection, and analytics?
  3. 03What trade-offs appear around consistency, decision latency, and result correctness?