wanglijie95 opened a new pull request #17905:
URL: https://github.com/apache/flink/pull/17905
## What is the purpose of the change
The adaptive batch scheduler needs to know the size of each result partition
when the task is finished.
This pr will introduce the numBytesProduced counter and register it into
TaskIOMetricGroup, to record the size of each result partition.
## Brief change log
- Introduce numBytesProduced counter into ResultPartition to record the
size of result partition.
## Verifying this change
Add some unit tests.
## 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)
- If yes, how is the feature documented? (not applicable)
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