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Part 1: Rethinking Cache Purge, Fast and Scalable Global Cache Invalidation

Blog post from Cloudflare

Post Details
Company
Date Published
Author
Alex Krivit
Word Count
2,636
Company Posts That Month
64
Language
English
Hacker News Points
5
Post removed?
No
Summary

The text discusses the challenges and solutions related to cache invalidation, a crucial aspect of content delivery networks (CDNs) like Cloudflare. Cache invalidation is difficult due to scale, speed, and scope factors. To address these issues, Cloudflare has developed an efficient purge pipeline that can quickly invalidate cached content across its global network. The company's new coreless purge architecture aims to improve the speed and scalability of the purge requests by removing reliance on core data centers and leveraging Workers and Durable Objects for request handling and distribution.

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