Home

This lecture shows how to use Wireshark to analyze the Postgres wire protocol by capturing packets between a Node.js client and a cloud-hosted Postgres database.

A simple guide to how MongoDB talks over the network, using Wireshark to see the details.

This note explains why Redis became a top choice for caching, databases, and messaging, with its key features and a hands-on example using Docker.

This lecture explores the architecture of Memcached, an in-memory key-value store, covering its memory management, threading model, and distributed nature.

A deep dive into Memcached's architecture, covering memory management, threading, LRU, and more.

A look into how MongoDB and MemCached work inside, focusing on their designs and how they help or limit performance.

This lecture covers the basics of classes in TypeScript, including their syntax, features like inheritance and access modifiers, and how they are transpiled into JavaScript.

A summary of MongoDB’s internal changes, including the shift from MMAPv1 to WiredTiger and the new clustered collections, plus a look at SQL vs. NoSQL differences.