reswqa opened a new pull request, #21083:
URL: https://github.com/apache/flink/pull/21083
## What is the purpose of the change
*When the allReaders queue is empty, creating a new reader will trigger the
IO Scheduling thread to read data. If the data reading is completed, the
running state will be set to false. If the state is asserted at this time, the
test will fail.*
## Brief change log
- *Using ManuallyTriggeredScheduledExecutorService for io scheduling task
to avoid race condition. *
## Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
## 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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