Backend Engineering

Writing about development and technology.

Backend Engineering·September 10, 2025

ACID Transactions: The Database's Unbreakable Vow

Why banks use RDBMS over NoSQL. A deep dive into Atomicity, Consistency, Isolation, Durability, Transaction Isolation Levels, Deadlock prevention, and how to ace this topic in technical interviews.

#CS#Backend#Database#Transaction

ACID Transactions: The Database's Unbreakable Vow

Backend Engineering·September 5, 2025

Redis Deep Dive: Caching Patterns & Eviction Policies

Look-aside pattern vs Write-Through. LRU Eviction explained. Persistence trade-offs (RDB vs AOF). Single-threaded nature of Redis.

#CS#Backend#Redis#Cache

Redis Deep Dive: Caching Patterns & Eviction Policies