Hyunsik Choi created TAJO-1942:
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             Summary: Investigation of more compact OffHeapRowWriter
                 Key: TAJO-1942
                 URL: https://issues.apache.org/jira/browse/TAJO-1942
             Project: Tajo
          Issue Type: Improvement
            Reporter: Hyunsik Choi
            Assignee: Hyunsik Choi


The memory footprint of OffHeapRowWriter is not efficient. Each row header has 
4 + (4 * column numbers) bytes. Fortunately, it may be possible to reduce the 
row header to be compact. In this issue, I'll try to reduce the row header.



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