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Extending Puppet by Alessandro Franceschi

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Scaling stored configs

We have seen that the usage of exported resources allows resources declared on a node to be applied on another node. In order to achieve this, Puppet needs the storeconfigs option enabled and this involves the usage of an external database where all the information about the exported resources is stored.

The usage of store configs has been historically a big performance killer for Puppet. The amount of database transactions involved for each run makes it quite a resource-intensive activity.

There are various options in puppet.conf that permit us to tune our configurations. The default settings are as follows:

storeconfigs = false
storeconfigs_backend = active_record
dbadapter = sqlite3
thin_storeconfigs = false

If we enable ...

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