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      Introduce SlotManager plugin for fine-grained resource management.

      • Request slot from TaskExecutor with the actual resource profiles.
      • Use ResourceTracker to bookkeep the resource requirements
      • Introduce TaskExecutorTracker, which bookkeep the total / available resource and slot assignment for registered task executor.
        • Bookkeep task manager total and available resources.
        • Bookkeep slot allocations and assignments.
        • Intorduce PendingTaskManager.
        • Map registered task executors to matching PendingTaskManager.

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              • Assignee:
                karmagyz Yangze Guo
                Reporter:
                karmagyz Yangze Guo
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