Explain Redis/MySQL internals and containers vs VMs
Company: eBay
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Onsite
Overview: This question evaluates understanding of backend system internals and operational tooling—specifically in-memory datastore architecture (Redis), relational storage engine behavior (MySQL), and container orchestration and virtualization concepts (Docker, Kubernetes, and containers versus virtual machines).