[GitHub] spark issue #23204: Revert "[SPARK-21052][SQL] Add hash map metrics to join"

[cloud-fan]

Github user cloud-fan commented on the issue:

    https://github.com/apache/spark/pull/23204
  
    can we follow 
https://github.com/apache/spark/pull/23204#issuecomment-445510026 and create a 
new ticket?


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