Grokking the System Design Interview
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Mohit Jayee
Please put the diagram shown in the video in the course as well.

Mohit Jayee

Feb 6, 2026

Please put the diagram shown in the video in the course as well.

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  1. Why do we need URL shortening?

Try it yourself

Designing URL Shortener (video)

  1. Requirements and Goals of the System
  1. Capacity Estimation and Constraints
  1. System Interface Definition
  1. Create Short URL API
  1. Redirect API
  1. Analytics API
  1. URL Management API
  1. Delete Short URL API
  1. Database Design
  1. Basic System Design and Algorithm

a. Encoding actual URL

b. Generating keys offline

  1. Data Partitioning and Replication
  1. Cache
  1. Load Balancer (LB)
  1. Purging or DB cleanup
  1. Telemetry
  1. Security and Permissions