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https://issues.apache.org/jira/browse/HIVE-11800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-11800:
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Fix Version/s: (was: 2.0.0)
Removing fixed version (2.0) from Unresolved JIRA in preparation for the
release. Please use target version field instead (if not already set) if you
think this should be shipped as part of 2.0
> GenMapRedWalker in MapReduceCompiler.java seems not efficient
> -------------------------------------------------------------
>
> Key: HIVE-11800
> URL: https://issues.apache.org/jira/browse/HIVE-11800
> Project: Hive
> Issue Type: Sub-task
> Components: Logical Optimizer
> Reporter: Aihua Xu
>
> Investigate the implementation of GenMapRedWalker in MapReduceCompiler.java
> to see if the performance can be improved.
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