1p3a Question · Nov 2025

Durable Key-Value Store Serialization

Question Details

The Challenge You need to build a permanent key-value store. This store must be able to save data to a file system and read it back later. You will get a "mock" (fake) file system and some tools to

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About This Question

This is a reported interview question from a openai interview for a swe role reported in 2025.

It covers the following topics: Hash Table, Key-Value Store, Sql, Strings .

Difficulty rating: Easy