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Environment Variables

List of environment variables used to configure DataChain behavior.

Core Configuration

  • DATACHAIN_ROOT_DIR – Specifies the root directory where DataChain will create the .datachain folder to store its internal data. (default: the current working directory).
  • DATACHAIN_SYSTEM_CONFIG_DIR – Overrides the system-wide configuration directory (default depends on the platform).
  • DATACHAIN_GLOBAL_CONFIG_DIR – Overrides the user's global configuration directory (default depends on the platform).
  • DATACHAIN_NO_ANALYTICS – Disables telemetry.

Studio Integration

  • DATACHAIN_STUDIO_URL – Custom Studio URL.
  • DATACHAIN_STUDIO_TOKEN – Authentication token for Studio.
  • DATACHAIN_STUDIO_TEAM – Studio team name.

Note: Some environment variables are used internally and may not be documented here. For the most up-to-date list, refer to the source code.