Loading...
Online Schema Migration on a Billion-Row Table
A hard Pipeline Design interview practice problem on DataDriven. Write and execute real pipeline design code with instant grading.
- Domain
- Pipeline Design
- Difficulty
- hard
- Seniority
- staff
Problem
Our product team needs a new column added to the orders table - which has grown to a billion rows and receives 50K writes per minute. The migration must go live next week and production availability cannot be impacted. Design the migration approach and the backfill strategy.
Practice This Problem
Solve this Pipeline Design problem with real code execution. DataDriven runs your solution and grades it instantly.