qinjunjerry opened a new pull request #17597:
URL: https://github.com/apache/flink/pull/17597
## What is the purpose of the change
Sometimes, a user overrides AsyncFunction#timeout() with an empty method or
with only logging code. This causes the timeout does not signal back to the
framework and job stuck especially when using orderedWait(). This change to
make the doc clear on this.
## Brief change log
- updated the doc to make it clear
## Verifying this change
This change is a trivial doc improvement.
## 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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