Use Limits

Last updated: 2019-11-08 17:48:10

    Limits on tag keys

    • A tag key starting with qcs: or project is a system reserved tag key, so these prefixes cannot be used when creating a tag key.
    • Can only contain characters encoded in UTF-8, spaces, numbers, or special characters including + - = ._ : / @.
    • Tag key length is 127 characters (encoded in UTF-8).
    • A tag key is case sensitive.

    Limits on tag values

    • Can only contain characters encoded in UTF-8, spaces, numbers, or special characters including + - = ._ : / @.
    • Tag value length is 255 characters (encoded in UTF-8).
    • A tag value is case sensitive.

    Limits on the number of tags

    • Resource dimension: A resource can have at most 50 different keys.
    • Tag dimension:
      • A user can have at most 1,000 different keys.
      • A key can have at most 1,000 values.

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