xintongsong opened a new pull request #8846: [FLINK-12761][runtime] Dynamically allocate TaskExecutor's managed memory to slots. URL: https://github.com/apache/flink/pull/8846 ## What is the purpose of the change This pull request is base on #8740. It dynamically allocates the TaskExecutor's managed memory to the slots on it. ## Brief change log - Introduce allocationResourceProfile in task slots denoting dynamically allocated resources. - Introduce bookkeeping of TaskExecutor's available resources in SlotManager. - Dynamically allocate TaskExecutor's managed memory to slots in SlotManager. ## Verifying this change This change added tests and can be verified as follows: - Added SlotManagerTest#testDynamicAssigningManagedMemory that validates that SlotManager properly bookkeeps TaskExecutors' available managed memory and allocate slots accordingly. - Added TaskExecutorTest#testAllocationResourceProfile that validates that TaskExecutor reports and offers slots with correct allocation resource profile that the slots are requested with. ## 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, Yarn/Mesos, 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 applicable)
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