Salesforce Docs Portal

High Data Volume Considerations for Salesforce Connect—Custom Adapters

If your org hits rate limits when accessing external objects, consider selecting the High Data Volume option on the associated external data sources. Doing so bypasses most rate limits, but some special behaviors and limitations apply.

Required Editions

Available in: both Salesforce Classic and Lightning Experience (not for high-data-volume external objects)

Available in: Developer Edition

Available for an extra cost in: Enterprise, Performance, and Unlimited Editions

  • The following features aren’t available for external objects that are associated with high-data-volume external data sources.

    • Access via Lightning Experience
    • Access via the Salesforce mobile app
    • Appearance in Recent Items lists
    • Record feeds
    • Reports and dashboards
    • Writable external objects
  • Salesforce IDs aren’t assigned to external object records that are associated with high-data-volume external data sources.
  • On record detail pages for external objects that are associated with high-data-volume external data sources, custom buttons, and links that call JavaScript aren’t supported.
  • Salesforce Console in Salesforce Classic doesn’t support external objects that are associated with high-data-volume external data sources.
  • CSRF protection for writable external objects isn’t available for high-data-volume external data sources.

See Also