Hi,

I have a question about labels in metrics. Is it suitable to add additional 
data to label?

I want to report alerts about autonomous systems that has number and name 
(for example: AS2914  NTT America Inc. A want to include both in text 
message of alert.

There are two different approches:
1. one label with AS number
- pros: Don't need to edit exporter when I want to change data in text 
message
- cons: I have to make an API request to get AS name. It could be issue 
durring large outage -> I have to do lots of API requests

2. two labels - AS number and AS name
- pros: I can create whole incident message from labels without additional 
API call
- cons: Store more data in prometheus

What is a good practice?

Thank you.

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