XComp opened a new pull request, #24911:
URL: https://github.com/apache/flink/pull/24911
## What is the purpose of the change
The `AdaptiveScheduler` needs to have access to the
`CheckpointsStatsTracker` to monitor checkpoint-related events.
## Brief change log
* Refactors `CheckpointStatsTracker` constructor to not rely on the total
subtask count anymore when initializing the tracker
* Moves `CheckpointStatsTracker` ownership from
`DefaultExecutionGraphFactory` to the scheduler implementations
* Makes `CheckpointStatsTracker` an "implementation detail" of the execution
graph that's not exposed through API.
## Verifying this change
* Existing tests are covering the change.
## 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: yes
- 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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