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Instant Purge: invalidating cached content in under 150ms

Blog post from Cloudflare

Post Details
Company
Date Published
Author
Alex Krivit, Tim Kornhammar, Connor Harwood
Word Count
3,509
Company Posts That Month
39
Language
English
Hacker News Points
-
Post removed?
No
Summary

Cloudflare has developed the fastest cache purge in the industry with a global purge latency of less than 150ms on average for purge by tags, hostnames, and prefixes. This represents a 90% improvement since May 2022. The company is also opening up more purge options to Free, Pro, and Business plans, which were previously only available to Enterprise customers. CacheDB, an indexing service built on RocksDB, has been introduced to manage the indexing and purging of cached files, improving cache retention times across their service.

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