Design a Real-Time Monitoring System
Company: DoorDash
Role: Software Engineer
Category: System Design
Difficulty: easy
Interview Round: Onsite
Overview: This question evaluates a candidate's system design and distributed-systems competencies, focusing on scalable time-series ingestion, storage, query, alerting, retention policies, and fault-tolerance for monitoring large production fleets; Category: System Design, domain: observability and time-series data.