gaoyunhaii opened a new pull request #13956:
URL: https://github.com/apache/flink/pull/13956
## What is the purpose of the change
This PR fixes the unstable `FileSinkITCase`. The original implementation has
some logical error, e.g., it does not keep the state for the source function,
and for streaming mode it does not ensure some data are committed in the first
attempt. This cause the sink either does not test the actual scenario or cause
repeat commits.
## Brief change log
- 1de2eca68fe489aadb55ed3084d18f4cd7ea723f fixes the unstable ITCase.
## Verifying this change
*(Please pick either of the following options)*
This change is a test fix.
## 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/Mesos, 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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