Talking head
Ruby Conference 2012

This presentation, by Matt Duncan, is licensed under a Creative Commons Attribution ShareAlike 3.0

Every deploy introduces the risk of downtime because of changes which are not backwards compatible. At Yammer, we deploy our Rails codebase to hundreds of servers many times a week. In this talk, I'll discuss many of the strategies we use to mitigate downtime during deploys. This includes how we handle database changes as well as background workers and external services.

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