Three jobs (extract, transform, load) run on three separate cron schedules

A medium Pipeline Design interview practice problem on DataDriven. Write and execute real pipeline design code with instant grading.

Domain

Pipeline Design

Difficulty

medium

Problem

Three jobs (extract, transform, load) run on three separate cron schedules. When extract runs late, transform reads yesterday's data and nobody notices. Design orchestration so each step runs only after its inputs are ready, with a deadline alert.

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