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From "Rui Li (JIRA)" <>
Subject [jira] [Commented] (HIVE-20032) Don't serialize hashCode for repartitionAndSortWithinPartitions
Date Tue, 24 Jul 2018 12:25:00 GMT


Rui Li commented on HIVE-20032:

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:
>             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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