Jinfeng Ni created DRILL-535:
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Summary: HbaseGroupScan should return more accurate size
information.
Key: DRILL-535
URL: https://issues.apache.org/jira/browse/DRILL-535
Project: Apache Drill
Issue Type: Bug
Reporter: Jinfeng Ni
Assignee: Aditya Kishore
Currently, HbaseGroupScan.getSize() returns a default number, which will impact
planner's ability to make a right decision, when it decides a good join order.
Ideally, getSize() should get row count for HTable. As a first step, it would
be good to get total bytes, which will convert to a rough estimation of row
count. The total bytes could be obtained by checking the HDFS file for the
HTable.
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