huwh opened a new pull request, #21496:
URL: https://github.com/apache/flink/pull/21496
## What is the purpose of the change
This pull request makes ResourceAllocator declarative in order to reduce the
coupling between the SlotManager and the ResourceManager
## Brief change log
- Introduce declareResourceNeeded into ResourceAllocator.
ActiveResourceManager will allocate/release workers to meet the declared
resources.
- SlotManager use declareResourceNeeded instead of
allocate/releaseResource to reduce the coupling between the SlotManager and the
ResourceManager
## Verifying this change
This change added tests and can be verified as follows:
- *Added tests that validates that ResourceManager will allocate/release
workers to meet the declared resources.*
- *Update the tests for SlotManager to use the declarative api.*
## 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,
ResourceManager/SlotManager)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (yes)
- If yes, how is the feature documented? (not applicable / docs / JavaDocs
/ not documented)
-
https://docs.google.com/document/d/1lcmf3MKmcmf9tsPc1whaZHMYKurGoGtqOXEep9ngP2k/edit
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