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Applied Filters: Pro Episodes xPerformance x
Fast Tests
Episode #413Apr 10, 201335 comments

Fast Tests

A slow test suite can put a damper on test-driven development. In this episode I show a variety of ways to optimize specs including: selective testing, preloading Rails, and testing outside of Rails. (17 minutes)
Performance Testing
Episode #411Mar 27, 201321 comments

Performance Testing

Learn how to add performance tests that automate benchmark and profile reports. Here I show how to find the bottlenecks to optimize a page. I also show how to compile Ruby with gcdata to get information about memory usage. (16 minutes)
Autocomplete Search Terms
Episode #399Dec 31, 201220 comments

Autocomplete Search Terms

Learn how to add autocompletion to a search form and improve performance using Rack middleware, caching and switching from SQL to Redis. (17 minutes)
Memcached & Dalli
Episode #380Sep 12, 201218 comments

Memcached & Dalli

Memcached is an excellent cache store, and Dalli is the best way to interact with it through Ruby. Here I show various ways to use Memcached in a Rails app including how to set it up in production. (12 minutes)
Trinidad
Episode #377Aug 30, 201223 comments

Trinidad

Trinidad is designed to serve JRuby web applications and gives you the power of Java while still keeping the feel of traditional Rails deployment. Here I show how to setup a Capistrano recipe, configure it, and more. (15 minutes)
Zero-Downtime Deployment
Episode #373Aug 09, 201224 comments

Zero-Downtime Deployment

Here I show how to accomplish zero-downtime deployment using Unicorn. I also cover gotchas when working with migrations and how to put up a maintenance page when you do need to take down the site. (12 minutes)
Client-Side Performance
Episode #369Jul 24, 201213 comments

Client-Side Performance

Optimizing Rails performance can only take you so far. The client-side plays a big part in how fast a page feels. Here I show many tools that can help make your apps faster than ever. (14 minutes)
Thread-Safety
Episode #365Jul 09, 201234 comments

Thread-Safety

The config.threadsafe! option will likely be enabled by default in Rails 4.0. Here you will learn what this option does, how it affects production, and some tips on thread safety. (10 minutes)
Rails Modularity
Episode #349May 09, 201212 comments

Rails Modularity

Rails is a modular framework allowing you to include only what you need. Here I show how the smallest Rails app works, and then I take a look at how to whittle down a full Rails application stack. (13 minutes)
HTTP Caching
Episode #321Jan 30, 201225 comments

HTTP Caching

With HTTP response headers you can the cache in the user's browser and proxies. Etags, Last-Modified, Cache-Control and Rack::Cache are all covered here (15 minutes)