David Wayne Birdsall created TRAFODION-2322:
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Summary: UPDATE STATS for ORC TPC-H Lineitem table takes much
longer now
Key: TRAFODION-2322
URL: https://issues.apache.org/jira/browse/TRAFODION-2322
Project: Apache Trafodion
Issue Type: Bug
Components: sql-cmp
Affects Versions: 2.0-incubating
Environment: All
Reporter: David Wayne Birdsall
Assignee: David Wayne Birdsall
When using a LINEITEM table with about 12 million rows, and storing that
LINEITEM table in Hive ORC files, UPDATE STATISTICS has regressed in its
performance. On one test system, the elapsed time changed from 6 minutes 20
seconds to 31 minutes 31 seconds.
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