System Design Codex

How Agoda Load Balanced Kafka

Deep Dive

Mar 10 • Saurabh Dashora

17

1

What Happens to an SQL Query?

The Journey Through the DB

Mar 4 • Saurabh Dashora

20

3

February 2026

How to Prevent the DB from Becoming a Bottleneck

Tips and Strategies

Feb 24 • Saurabh Dashora

26

3

Airbnb's Move from Monolith

The journey of migration

Feb 17 • Saurabh Dashora

20

3

1

Eraser’s New AI-Driven Diagramming Workflow

Making Documentation Wonderful Again

Feb 10 • Saurabh Dashora

10

3

The Role of Caching at Netflix

How Netflix Holds Your Attention

Feb 3 • Saurabh Dashora

31

1

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

15

2

Top Strategies to Reduce Latency

Latency is the new downtime

Jan 20 • Saurabh Dashora

27

1

7

Sticky Sessions or Not?

How to decide?

Jan 13 • Saurabh Dashora

25

1

Consistent Hashing in a Nutshell

How it works?

Jan 6 • Saurabh Dashora

32

1

4

December 2025

Polling or Webhooks

When to use what?

Dec 30, 2025 • Saurabh Dashora

23

2

2

Multiple Places Where Caching Exists

Caching is everywhere

Dec 23, 2025 • Saurabh Dashora

22

1

2