Maximum Size of a CircleCI Configuration (config.yml)

The maximum size of a CircleCI configuration file(config.yml) is 3MB. When this limit is exceeded, customers may see errors such as Unexpected exception processing config or An compiled config YAML must be at most 3MB in their build logs

It is important to remember that this is the compiled configuration. This is the result of expanding any YAML anchors and aliases as well as expanding any included Orbs.

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