noorall opened a new pull request, #25414:
URL: https://github.com/apache/flink/pull/25414
## What is the purpose of the change
To support the incremental generation of JobGraph and update the StreamGraph
based on runtime information, we plan to introduce the AdaptiveGraphManager
component, which will implement the AdaptiveGraphGenerator interface. The
AdaptiveGraphGenerator interface is responsible for:
1. Generating the JobGraph
2. Responding to upstream job vertex finished events, generating JobVertex,
and updating it to the JobGraph
3. Providing StreamGraphContext to allow StreamGraphOptimizer to add,
delete, and modify StreamNode and StreamEdge
## Brief change log
- Implement the AdaptiveGraphGenerator interface
- Implement the StreamGraphContext interface
- Some UT cases
## 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 documented)
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