a customized approach to http proxy caching in ruby
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Perry Carbone
Github: github.com/perrycarboneTwitter: @perrycarbone
A Customized Approach to HTTP Proxy Caching in Ruby
An HTTP proxy caching gem for Rack-based Ruby applications
https://github.com/acorncache/acorn-cache
Co-Authors: Perry Carbone; Vince Devendra
The Goals of HTTP Caching
Decrease page load times and the burden on your server
Two Types of HTTP Caching
Client (Browser) Caching
Internet
Web Server
Cached data stored here
Proxy Caching
Internet
Application Server
Cached data stored here
Proxy Cache Server
Where Does AcornCache Fit In?
Internet
Client Client Client
Middleware Stack ExampleIncoming Request
AcornCache
Middleware 2
Middleware 3..n
Application
Outgoing Cached Response
Server Response
Request
Middleware Stack ExampleIncoming Request
AcornCache
Middleware 2
Middleware 3..n
Application
Outgoing Server Response
Server Response
Request
Why Did We Build It?
+
=
Does it Work?
Does it Work?
Does it Work?
Complexity
Request Time
With Acorn Cache
Without AcornCache
Getting Started
CACHE ALL THE THINGS!
What to Cache With?
Rack::AcornCache
Cached Response
Server Response Request
Initial Object Model
Respecting Cache Control Headers
This should be easy, right?
Rack::AcornCache
Expanded Object Model
Cache Controller
Cache Maintenance
Cached Response
Cache Control Header
Server Response
Cache Control Header
RequestCache Control
Header
Thinking About Thread Safety
Exception Handling
Because SometimesThere Are Unforeseen
Complications
Exception Handling
Allowing for Customization
Implement Page Rules
Pure Ruby FTW
Future Plans
An HTTP proxy caching gem for Rack-based Ruby applications
https://github.com/acorncache/acorn-cache
Please Contribute!
Perry Carbone
Github: github.com/perrycarboneTwitter: @perrycarbone
Email: [email protected]
Looking for Work!