manbuyun opened a new pull request #13347:
URL: https://github.com/apache/flink/pull/13347
## What is the purpose of the change
*Currently, Flink matches the allocated containers to the original requests
by reading the Yarn configurations and calculate how the requested resources
should be normalized.
What has been overlooked is that, Yarn FairScheduler (and its subclass
SLSFairScheduler) has overridden the normalization behavior.
Flink should be good enough to cover behaviors of all the schedulers that
Yarn currently provides*
## Brief change log
- *add method to get unit resource in YarnResourceManager*
- *add two fields to WorkerSpecContainerResourceAdapter: unitMemMB and
unitVcore*
## Verifying this change
*This change is already covered by existing tests*.
## 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)
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