AWS CloudFront Cache Policies: Complete Guide
The article provides a comprehensive overview of AWS CloudFront cache policies, focusing on their role in managing cache keys and time-to-live (TTL) settings. It explains how these settings influence cache hit ratios and the behavior of cached objects. Additionally, the article details the different managed cache policies available and the implications of TTL settings on caching behavior.
- ▪A CloudFront cache policy controls the cache key and TTL settings, which determine the cache hit ratio.
- ▪There are fifteen managed cache policies in the CloudFront console, with five being broadly useful for typical distributions.
- ▪The three TTL settings—Minimum, Maximum, and Default—apply in different scenarios and are crucial for effective caching.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3291065) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Maciej Łopalewski for u11d Posted on May 20 • Originally published at u11d.com AWS CloudFront Cache Policies: Complete Guide #aws #cdn #webdev #cloudfront A CloudFront cache policy controls two things: the cache key (which combination of URL, headers, cookies, and query strings makes a request unique) and the TTL (how long CloudFront keeps an object at the edge before re-checking the origin). Those two settings together determine your cache hit ratio.
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