Reynold Xin created SPARK-20136:
-----------------------------------

             Summary: Add num files and metadata operation timing to scan 
metrics
                 Key: SPARK-20136
                 URL: https://issues.apache.org/jira/browse/SPARK-20136
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.1.0
            Reporter: Reynold Xin
            Assignee: Reynold Xin


We currently do not include metadata operation timing and number of files in 
data source metrics. Those would be useful to include for performance profiling.



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