Riza Suminto created IMPALA-13567:
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             Summary: Update RowsRead counter more frequently.
                 Key: IMPALA-13567
                 URL: https://issues.apache.org/jira/browse/IMPALA-13567
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Riza Suminto


HdfsColumnarScanner implementation update RowsRead counter near the very end of 
AssembleRows function. Ideally, RowsRead should be incremented more frequently, 
every time before calling TransferScratchTuples where conjunct and runtime 
filter evaluation happen.



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