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https://issues.apache.org/jira/browse/HIVE-8243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuefu Zhang resolved HIVE-8243.
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Resolution: Won't Fix
I think we are already using kryo to do task cloning. This JIRA is no longer
needed. Feel free to reopen if this isn't the case.
> clone SparkWork for join optimization
> -------------------------------------
>
> Key: HIVE-8243
> URL: https://issues.apache.org/jira/browse/HIVE-8243
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Suhas Satish
> Labels: https://issues.apache.org/jira/browse/HIVE-5263
>
> Map-join optimization needs to clone the SparkWork containing the operator
> tree to make changes to it. For MapredWork, this is done thru kryo
> serialization/deserialization in
> https://issues.apache.org/jira/browse/HIVE-5263
> Something similar should be done for SparkWork
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