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Cache Memory Requirements

Vinod Dalavai

Aug 30, 2023

When we calculated ~170GB for cache memory, are we assuming that we only cache for 24 hours?

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Fan
Fan2 years ago

I think this is rely on your Cache replacement policy

if you use the LRU, then when the cache full, the least recently use data will be flush out

On this page

  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