Fresh and Forever

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

Domain

Pipeline Design

Difficulty

medium

Seniority

mid

Problem

We run an event platform that ingests roughly 5 billion user-interaction events a day, and two groups depend on it: an operations team that watches live dashboards where a delay past a few seconds is useless, and analysts who run ad-hoc queries across years of history. Design a pipeline that serves both audiences, keeps the live view within seconds, and keeps per-event counts correct when events arrive late or duplicated.

Practice This Problem

Solve this Pipeline Design problem with real code execution. DataDriven runs your solution and grades it automatically.