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https://issues.apache.org/jira/browse/HIVE-20703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16681766#comment-16681766
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Vineet Garg commented on HIVE-20703:
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[~ychena] You are right this was moved for tez engine only and will not work
for MR and spark anymore. Since MR is deprecated now I don't think it make
sense to support this for it but if you think this is an issue with Hive on
Spark and this optimization should be supported we can probably add this for
spark.
> Put dynamic sort partition optimization under cost based decision
> -----------------------------------------------------------------
>
> Key: HIVE-20703
> URL: https://issues.apache.org/jira/browse/HIVE-20703
> Project: Hive
> Issue Type: Improvement
> Components: Query Planning
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-20703.1.patch, HIVE-20703.10.patch,
> HIVE-20703.11.patch, HIVE-20703.12.patch, HIVE-20703.2.patch,
> HIVE-20703.3.patch, HIVE-20703.4.patch, HIVE-20703.5.patch,
> HIVE-20703.6.patch, HIVE-20703.7.patch, HIVE-20703.8.patch, HIVE-20703.9.patch
>
>
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