Quick Overview

This question evaluates a candidate's understanding of persistent key-value storage, in-memory versus on-disk state management, serialization/deserialization, file I/O, and state reconstruction across multiple files, with additional considerations for concurrency and crash recovery.

Build a File-Backed Key-Value Store

Company: OpenAI

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Quick Answer: This question evaluates a candidate's understanding of persistent key-value storage, in-memory versus on-disk state management, serialization/deserialization, file I/O, and state reconstruction across multiple files, with additional considerations for concurrency and crash recovery.

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