Managing Instance Tags

Tags facilitate Kafka instance identification and management.

You can add tags to a Kafka instance when creating the instance or add tags on the Tags tab page of the created instance. Up to 20 tags can be added to an instance. Tags can be modified and deleted.

A tag consists of a tag key and a tag value. Table 1 lists the tag key and value requirements.

**Table 1** Tag key and value requirements
Parameter	Requirements
Tag key	Cannot be left blank. Must be unique for the same instance. Can contain a maximum of 36 characters. Cannot contain the following characters: =*<>\,\|/ Cannot start or end with a space.
Tag value	Cannot be left blank. Can contain a maximum of 43 characters. Cannot contain the following characters: =*<>\,\|/ Cannot start or end with a space.

Procedure

Log in to the management console.
Click in the upper left corner to select a region.

Select the region where your Kafka instance is located.
Click and choose Application > Distributed Message Service for Kafka to open the console of DMS for Kafka.
Click the name of an instance.
Click the Tags tab.
View the tags of the instance.
Perform the following operations as required:
- Add a tag
  1. Click Create/Delete Tag.
  2. Enter a tag key and a tag value, and click Add.
    If you have predefined tags, select a predefined pair of tag key and value, and click Add.
  3. Click OK.
- Delete a tag
  Delete a tag using either of the following methods:
  - In the row containing the tag to be deleted, click Delete. In the Delete Tag dialog box, click Yes.
  - Click Create/Delete Tag. In the dialog box that is displayed, click next to the tag to be deleted and click OK.