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Imposter allows certain features to be enabled or disabled. Fewer features generally lowers resource requirements.

Also see the Plugins documentation for a list of available and built-in plugins.

List of features

Feature name Purpose Details Enabled by default
metrics Collects and exposes telemetry. Metrics true
stores Persistent or semi-persistent state. Stores true

These can be controlled by setting the environment variable IMPOSTER_FEATURES:


...or Java system property imposter.features: