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https://issues.apache.org/jira/browse/IMPALA-5726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-5726.
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Resolution: Cannot Reproduce
Not really enough info. IMPALA-9903 is something that improved Kudu planning
time.
> Impala Planning time on Kudu table is much longer than HDFS table
> -----------------------------------------------------------------
>
> Key: IMPALA-5726
> URL: https://issues.apache.org/jira/browse/IMPALA-5726
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Affects Versions: Impala 2.8.0
> Reporter: Alan Choi
> Priority: Major
> Labels: kudu
>
> The query planning time for Kudu table is much longer than HDFS table. In a
> query that "union all" 38 Kudu tables (i.e. select * from kudu_table union
> all select * from... union all select * from kudu_table), the planning time
> took 1.2sec. When switched to HDFS table, the planning time is way less.
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