Coding pairing: cache / tokenizer / reservation service

1Give yourself 5 minutes
2Answer out loud, not in your head
3Then compare with the answer below

Reference answer

Then expect these follow-ups

  • How would you back this with Redis?

  • How would you add observability (latency histograms, eviction ratio)?

Free to read · better with Enzo

Practice this out loud with Enzo

Enzo runs it as a mock interview, pushes back with follow-ups, and grades you on the rubric.

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