zhuzhurk opened a new pull request #10179: [FLINK-14734][runtime] Add a ResourceSpec in SlotSharingGroup to describe its overall resources URL: https://github.com/apache/flink/pull/10179 ## What is the purpose of the change This PR is to add a ResourceSpec for SlotSharingGroup. Its value is a merge of the resources of all operators in it. It enables FLINK-14314 to allocate task slot regarding the share slot resources. The change is based on #10079. ## Brief change log - *Add subtract method for ResourceSpec* - *Add a ResourceSpec in SlotSharingGroup* - *Make slot sharing group ResourceSpec updated with vertices added/removed* ## Verifying this change - *Added unit tests for ResourceSpec#subtract and SlotSharingGroup#resourceSpec* ## 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, Yarn/Mesos, 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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