Yangze Guo created FLINK-21047:
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             Summary: Expose the correct registered/free resources information 
in SlotManager
                 Key: FLINK-21047
                 URL: https://issues.apache.org/jira/browse/FLINK-21047
             Project: Flink
          Issue Type: Improvement
            Reporter: Yangze Guo


In FLINK-16640, we extend ResourceOverview and TaskManager(Details)Info for 
registered/free resources. However, the implementation is based on the 
assumption that all the registered task executors are homogeneous with the 
default resource spec. This assumption will be broken in standalone mode when 
user manually starts heterogeneous task executors.

We need to calculate the registered/free resources according to the exact 
{{defaultSlotResourceProfile}} and {{totalResourceProfile}} of 
\{{TaskExecutorRegistration}}s.



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