Build a Durable Key-Value Cache
Company: Databricks
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Onsite
Overview: This question evaluates understanding of data durability and recovery mechanisms, including write-ahead logging, in-memory caching, operation ordering, log compaction, partial-write detection, and concurrency control, and it falls under the Software Engineering Fundamentals domain with emphasis on storage and systems design.