Tenant Cloud TCenter Tag Product Introduction

Use Limits

Last Updated At: 2025-10-21 09:10:00

Tag Key Limits

  • Tag keys starting with qcs:, project, etc., are reserved for the system, and creating system-reserved tag keys is prohibited.
  • Supports characters in UTF-8 format, including characters, spaces, digits, and special characters + - = ._: / @.
  • The length of a tag key should be between 1 and 127 characters (encoded in UTF-8).
  • Tag keys are case sensitive.

Tag Value Limits

  • Supports characters in UTF-8 format, including characters, spaces, digits, and special characters + - = ._: / @.
  • The length of a tag value should be between 1 and 255 characters (encoded in UTF-8).
  • Tag values are case sensitive.

Tag Quantity Limits

  • Resource Dimension: A resource can have up to 50 different keys.
  • Tag Dimension:
    • A single user can have up to 1,000 different keys.
    • A key can have up to 1,000 values.