Myracle opened a new pull request, #26999:
URL: https://github.com/apache/flink/pull/26999
## What is the purpose of the change
*Allowing users to specify a whitelist of metrics to be exposed through the
Prometheus reporter.*
## Brief change log
- *Adding a whiteList configuration option to
PrometheusPushGatewayReporterOptions.*
- *Filtering metrics in AbstractPrometheusReporter based on the configured
whitelist.*
- *Adding a unit test to verify the metric filtering functionality.*
## Verifying this change
Please make sure both new and modified tests in this PR follow [the
conventions for tests defined in our code quality
guide](https://flink.apache.org/how-to-contribute/code-style-and-quality-common/#7-testing).
This change added tests and can be verified as follows:
*(example:)*
- *Added test testMetricFilter()*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (yes)
- If yes, how is the feature documented? (docs)
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