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Episode #413 - October 22nd, 2013

30d011dd1b103a523f5bc75cf4b31833.jpg?s=18&r=pg&d=http%3a%2f%2fwww.gravatar.com%2favatar%2f8ebf4339f7c8cd73b53d1d1d3eba7c35 Aimee Simone 9c5541e591a62dd93a2fd2d45b5732dd.jpg?s=18&r=pg&d=http%3a%2f%2fwww.gravatar.com%2favatar%2f8ebf4339f7c8cd73b53d1d1d3eba7c35 Olivier Lacan

This week: new Rails releases, upgrading to Rails 4 open-sourced, migrant attributes, a look at evolution of the distributed Travis architecture, and how GitHub models their app's user sessions.

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This episode is sponsored by Top Ruby Jobs. Everyone deserves to love their job (and it's probably in Ruby).

  • Top Ruby Jobs
  • Rails 3.2.15 & 4.0.1 RC1
  • Upgrading to Rails 4
  • Migrant
  • The Smallest Distributed System
  • Modeling User Sessions
  • Ruby 5

The Smallest Distributed System Jump to Story

Mathias Meyer of the Travis CI team wrote an interesting blog post about the growth of the distributed architecture of Travis. In the post, Mathias goes over the lessons the team learned over the last few years as they went from 700 to 7000 builds a day, how they reduced the number of responsibilities of each piece of the system, and how — surprisingly — Travis is still running on a single Postgres database.

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