Zero Down Time Operations

No one wins an award for having the most popular status site. Learn the top practical techniques 37signals uses for keeping their sites available at all times, even during scheduled maintenance! From hardware choices, to network topology, to high availability services, it all matters. This presentation introduces tools like intermission and mysql_role_swap and show you how custom alerts and dashboards built on top of statsd + nagios are used to intercept problems before they impact users.

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