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https://issues.apache.org/jira/browse/HIVE-20032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16554183#comment-16554183
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Rui Li commented on HIVE-20032:
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Hi [~stakiar], I left some comments on RB. Meanwhile, could you explain why we
need to put the registrator jar in driver's extra class path? Won't {{--jars}}
add the jar to both driver and executor's class paths? And IIUC, driver extra
class path only takes jars on local FS. So will that be a problem for cluster
mode?
> Don't serialize hashCode for repartitionAndSortWithinPartitions
> ---------------------------------------------------------------
>
> Key: HIVE-20032
> URL: https://issues.apache.org/jira/browse/HIVE-20032
> Project: Hive
> Issue Type: Improvement
> Components: Spark
> Reporter: Sahil Takiar
> Assignee: Sahil Takiar
> Priority: Major
> Attachments: HIVE-20032.1.patch, HIVE-20032.2.patch,
> HIVE-20032.3.patch, HIVE-20032.4.patch, HIVE-20032.5.patch,
> HIVE-20032.6.patch, HIVE-20032.7.patch, HIVE-20032.8.patch
>
>
> Follow up on HIVE-15104, if we don't enable RDD cacheing or groupByShuffles,
> then we don't need to serialize the hashCode when shuffling data in HoS.
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