Explain metric …request_concurrency_exceeded_total
What does this MR do?
Expands on the description/documentation of gitlab_runner_request_concurrency_exceeded_total metric, in response to:
Why was this MR needed?
Requested by a customer.
What's the best way to test this MR?
Since it's just a docs/string update, I presume that no testing is needed.
What are the relevant issue numbers?
Also related to #3583
Edited by Katrin Leinweber