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https://issues.apache.org/jira/browse/HIVE-14204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16688889#comment-16688889
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Yuming Wang commented on HIVE-14204:
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Could we backport this patch to branch-1?
> Optimize loading dynamic partitions
> ------------------------------------
>
> Key: HIVE-14204
> URL: https://issues.apache.org/jira/browse/HIVE-14204
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Labels: TODOC2.2
> Fix For: 2.2.0
>
> Attachments: HIVE-14204.1.patch, HIVE-14204.3.patch,
> HIVE-14204.4.patch, HIVE-14204.6.patch, HIVE-14204.7.patch, HIVE-14204.8.patch
>
>
> Lots of time is spent in sequential fashion to load dynamic partitioned
> dataset in driver side. E.g simple dynamic partitioned load as follows takes
> 300+ seconds
> {noformat}
> INSERT INTO web_sales_test partition(ws_sold_date_sk) select * from
> tpcds_bin_partitioned_orc_200.web_sales;
> Time taken to load dynamic partitions: 309.22 seconds
> {noformat}
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