reswqa opened a new pull request, #21439:
URL: https://github.com/apache/flink/pull/21439
## What is the purpose of the change
*If a task has multiple input gates, It will create as many
`InputChannelMetrics` as the number of gates, so the corresponding metrics are
registered repeatedly. This pull request aimed to fix this problem.*
## Brief change log
- *Create `InputChannelMetrics` in
`NettyShuffleEnvironment#createInputGates`.*
## Verifying this change
This change added unit test in `NettyShuffleEnvironmentTest`.
## 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? no
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