Archive - Crack That Weekly

Build a Key-Value Store in Go

Build a Redis-like key-value store in Go with TTL, HTTP API, and goroutine-safe concurrency. Includes Python vs Go comparison.

19 hrs ago • Sharon Sahadevan

Redis Persistence in Python: WAL & Snapshots From Scratch

Your key-value store survives restarts — using the exact same techniques Redis, PostgreSQL, and Kafka use under the hood

Mar 6 • Sharon Sahadevan

February 2026

Build Your Own Redis in Python: Key-Value Store From Scratch

Why every DevOps engineer already understands Redis internals — and how to prove it in a coding interview

Feb 28 • Sharon Sahadevan

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