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https://issues.apache.org/jira/browse/TRAFODION-2322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Wayne Birdsall updated TRAFODION-2322:
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Summary: UPDATE STATS for Hive TPC-H Lineitem table takes much longer now
(was: UPDATE STATS for ORC TPC-H Lineitem table takes much longer now)
> UPDATE STATS for Hive 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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