Archive - System Design Codex

Multiple Places Where Caching Exists

Caching is everywhere

Dec 23 • Saurabh Dashora

Database Scaling and Performance Tips

Strategies you must know

Dec 16 • Saurabh Dashora

LSM Trees Explained

Making database writes fast

Dec 9 • Saurabh Dashora

Top Microservices Patterns

The ones that are most common

Dec 2 • Saurabh Dashora

November 2025

5 Million Profiles Reads/Second - Caching at LinkedIn Scale

Couchbase Cache, Espresso and Brooklin

Nov 25 • Saurabh Dashora

An Intro to DB Sharding

Strategies and decision method

Nov 18 • Saurabh Dashora

Choosing Between Normalization Or Denormalization

How to make the decision

Nov 11 • Saurabh Dashora

Key Concepts of Kafka

A high level view...

Nov 4 • Saurabh Dashora

October 2025

Authorizing 10 Million API Calls Per Second

How LinkedIn Authorizes The Calls?

Oct 28 • Saurabh Dashora

How Paypal Built JunoDB?

A deep dive breakdown

Oct 21 • Saurabh Dashora

How Amazon Dynamo Works

The precursor to the highly popular DynamoDB

Oct 14 • Saurabh Dashora

Top Strategies for High Availability

Knowing about them can help you...

Oct 7 • Saurabh Dashora

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