pnowojski opened a new pull request #14618:
URL: https://github.com/apache/flink/pull/14618
This PR focuses on providing `idleTime` and `busyTime` metrics per subtask
in the "BackPressure" tab in the WebUI. Additionally back pressure ratio in
this tab is rewritten to use `backPressuredTime` metric, which is vastly
simplifying the existing `JobVertexBackPressureHandler`.
## Brief change log
Please check individual commit messages.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (**yes** / no)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** /
don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (**yes** / no)
- If yes, how is the feature documented? (not applicable / docs / JavaDocs
/ **not documented**)
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