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Extending Puppet - Second Edition by Jaime Soriano Pastor, Alessandro Franceschi

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Summary

In this chapter, we have seen how Puppet can scale while our infrastructure grows. We have to consider all the components involved.

For testing or small environments, we may have an all-in-one server, but it makes sense to separate these components from the beginning on dedicated nodes for the Puppet Server, for PuppetDB and its backend database (we might decide to move the PostgreSQL service to a dedicated server too), and eventually for an ENC.

When we need to scale further, or want high availability on these components, we can start to scale out horizontally and load balance the Puppet Master and PuppetDB systems (they all provide stateless HTTP(s) services) and cluster our database services (following the available solutions for PostgreSQL ...

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