zhuzhurk opened a new pull request, #20312:
URL: https://github.com/apache/flink/pull/20312
## What is the purpose of the change
Canceling pending slot allocation before canceling executions will result in
execution failures and pollute the logs. It will also result in an execution to
be FAILED even if the execution vertex has FINISHED, which breaks the
assumption of SpeculativeScheduler#isExecutionVertexPossibleToFinish().
This PR changes SpeculativeScheduler to cancel pending slot allocation after
canceling pending executions.
## Verifying this change
- *Added units test in SpeculativeSchedulerTest*
## 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, 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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