System Design Codex

Sticky Sessions or Not?

How to decide?

Jan 13 • Saurabh Dashora

18

1

Consistent Hashing in a Nutshell

How it works?

Jan 6 • Saurabh Dashora

27

1

4

December 2025

Polling or Webhooks

When to use what?

Dec 30, 2025 • Saurabh Dashora

22

3

2

Multiple Places Where Caching Exists

Caching is everywhere

Dec 23, 2025 • Saurabh Dashora

21

1

2

Database Scaling and Performance Tips

Strategies you must know

Dec 16, 2025 • Saurabh Dashora

31

1

LSM Trees Explained

Making database writes fast

Dec 9, 2025 • Saurabh Dashora

27

7

2

Top Microservices Patterns

The ones that are most common

Dec 2, 2025 • Saurabh Dashora

25

2

5

November 2025

5 Million Profiles Reads/Second - Caching at LinkedIn Scale

Couchbase Cache, Espresso and Brooklin

Nov 25, 2025 • Saurabh Dashora

30

1

1

An Intro to DB Sharding

Strategies and decision method

Nov 18, 2025 • Saurabh Dashora

29

1

2

Choosing Between Normalization Or Denormalization

How to make the decision

Nov 11, 2025 • Saurabh Dashora

24

1

1

Key Concepts of Kafka

A high level view...

Nov 4, 2025 • Saurabh Dashora

46

1

5

October 2025

Authorizing 10 Million API Calls Per Second

How LinkedIn Authorizes The Calls?

Oct 28, 2025 • Saurabh Dashora

31

3