Implement persistent key-value store
Overview
This question evaluates competency in implementing an in-memory key-value store with persistence, covering concepts such as serialization, durability, data structure management, and basic I/O handling.
OpenAI
Aug 4, 2025, 10:55 AM
Software Engineer
Technical Screen
Coding & Algorithms
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Question
Design and implement an in-memory key-value store supporting set(key, value), get(key), shutdown() that flushes all data as bytes to a medium, and restore() that reloads the data from the medium.