THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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These APIs allow external services to fetch, for example, subtask metrics to do analysis. The coordinator metrics are also an essential set of metrics for jobs that expose how a job is behaving. Currently, the main clients of these REST APIs are the Web UI and the Kubernetes Operator.
Public Interfaces
The REST API needs to add an endpoint and add a new field to an existing response body.
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