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https://issues.apache.org/jira/browse/HIVE-8243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145705#comment-14145705
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Suhas Satish commented on HIVE-8243:
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cloning via kryo.copy() as suggested for MapredWork in
https://issues.apache.org/jira/browse/HIVE-4396
maybe a good approach here.
> 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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