Archive - System Design Codex

How TCP Handshake Works

The 3 step process

Mar 31 • Saurabh Dashora

Object Oriented Programming - The Key Terms

The essential concepts

Mar 24 • Saurabh Dashora

Inside Look at Reddit's Metadata Store

Mar 17 • Saurabh Dashora

How Agoda Load Balanced Kafka

Mar 10 • Saurabh Dashora

What Happens to an SQL Query?

The Journey Through the DB

Mar 4 • Saurabh Dashora

February 2026

How to Prevent the DB from Becoming a Bottleneck

Tips and Strategies

Feb 24 • Saurabh Dashora

Airbnb's Move from Monolith

The journey of migration

Feb 17 • Saurabh Dashora

Eraser’s New AI-Driven Diagramming Workflow

Making Documentation Wonderful Again

Feb 10 • Saurabh Dashora

The Role of Caching at Netflix

How Netflix Holds Your Attention

Feb 3 • Saurabh Dashora

January 2026

Synchronous Communication is NOT the Only Way

There are other ways your application components can talk to each other

Jan 28 • Saurabh Dashora

Top Strategies to Reduce Latency

Latency is the new downtime

Jan 20 • Saurabh Dashora

Sticky Sessions or Not?

Jan 13 • Saurabh Dashora

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