Understanding Environment Caching in Puppet

Recently, puppet got a new way of defining environments. Along with the new environments, came a new way of handling the caching of the environments inside the puppet master. I found out that what puppet is now doing, and was doing in the past, wasn’t well understood by users and so this post is to get rid of some of the mystery.

I’m going to cover what an environment is internal to puppet, what the caching of an environment is, and what it isn’t, and what it used to be. In other post I’ll cover how to evaluate your situation and tune the environment cache and your workflow.

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