CacheFilter - Flexible HTTP Caching in Envoy

Explore the CacheFilter, a flexible HTTP caching solution for Envoy, in this 30-minute conference talk by Josiah Kiehl and Todd Greer. Discover why Envoy requires robust caching support and how CacheFilter addresses varying scaling and feature requirements. Learn about distributed architectures, service mesh applications, and the inner workings of CacheFilter. Gain insights into its current development state, compatibility with different infrastructures, and future development plans. Delve into topics such as cache purging, cache key configuration, coalescing, pushed items, and admission policies. Understand the challenges of creating a scalable, production-quality caching system and the potential for Google's cache configuration integration.

Syllabus

Introduction
Why does Envoy need a caching filter
Distributed architectures
Service mesh
Using CacheFilter
How does CacheFilter work
CacheFilter Walkthrough
Current State of Development
Will it work with my infrastructure
What needs to be done
Plugins
Contact
Closing
CashPurge
Mic Check
Cache Key Configuration
Coalescing
Pushed Items
More Configuration Options
Cash Admission Policy
Google
CacheConfig
Whats Missing
Scalable
Production quality
How many