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https://issues.apache.org/jira/browse/HIVE-13382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan resolved HIVE-13382.
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Resolution: Fixed
Fix Version/s: 2.1.0
All planned perf improvements for this has landed.
> Dynamic partitioning for INSERT OVERWRITE Query is slow
> -------------------------------------------------------
>
> Key: HIVE-13382
> URL: https://issues.apache.org/jira/browse/HIVE-13382
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Lin Liu
> Fix For: 2.1.0
>
>
> Recently we upgraded Hive from 0.13.1 to Hive 1.2.1.
> Then we found that one of our production queries that updates the data for a
> multi-level partitioned table using INSERT OVERWRITE becomes dramatically
> slower than in Hive0.13.1 version (e.g. from 2 hours to more than 14 hours
> and slower and slower).
> Note that the MR jobs finished pretty quickly, but the move stage took a very
> long time.
> Currently we are using Hive 1.2.1 and HIVE-11940 has been applied.
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