Quantity Limit
A tag consists of 1 tag key and 1 tag value (tagKey:tagValue).
Each resource can have 50 tags at most.
For each resource, each tag key can have only 1 value.
Tag keys cannot be created separately; they can only be created together with tag values (up to 10).
The upper limit of tag keys is 1,000, and each tag key supports 1,000 tag values.
Naming Limits
Tag key | Tag value |
Tag keys starting with qcs:,project:, and Project are system reserved tag keys. The creation of system reserved tag keys is prohibited | - |
In UTF-8, a tag key must be between 1 and 127 Unicode characters | In UTF-8, a tag value must be between 1 and 255 Unicode characters |
Supports characters represented in UTF-8 format, spaces, digits, and special characters. It does not support a string that starts or ends with a space English status supports: + - = . _ : / @ ( ) [ ] , ; > < Chinese status supports: + - = / @ ( ) 【】 : | |
Case-sensitive letters | |