Topics for LnL

Muddling with Modules

Goals:
  How do most of us use modules?
  How do we change the way we use modules?

Topics:
  Including/Extending
  Namespacing
  Mixing In
  Modules instead of Monkey Patches
  Extending Functionality with Modules
  Extending in Objects

Samples of Code where module was efficient


Scaling with Ruby

Goals:
  How we are scaling our applications?
  How can we scale our applications?

Topics:
  Horizontal vs Vertical Scaling
  Problems with Horizontal Scaling
  Benfits of Vertical Scaling
  Why vertical scaling is hard?
  Processes vs Threads in Ruby
  Blocking/Non-Blocking IO in Ruby

What are the ways to scale?
  Scaling with processes
  Evented IO
  Threads
  EventMachine
  Celluloid
  How can other Ruby implementations help?(JRuby/Rubinius)


Sidekiq

Goals
  What is the preference for our Background Processing? (Resque)
  How can Sidekiq help?

Topics
  Why Resque is dying?
  Threads iz the new hotnesss!!!
  Actor based Concurrency
  Sidekiq's Architecture and Celluloid
  Sidekiq's Flexibility
  Custom Middlewares in Sidekiq
  Error Handling in Sidekiq
  Performance Metrics from our own experience