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https://issues.apache.org/jira/browse/HIVE-8841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14211680#comment-14211680
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Rui Li commented on HIVE-8841:
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I see, thanks [~xuefuz] for clarifying.
> Make RDD caching work for multi-insert after HIVE-8793 when map join is
> involved [Spark Branch]
> -----------------------------------------------------------------------------------------------
>
> Key: HIVE-8841
> URL: https://issues.apache.org/jira/browse/HIVE-8841
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Xuefu Zhang
> Assignee: Rui Li
> Fix For: spark-branch
>
> Attachments: HIVE-8841.1-spark.patch
>
>
> Splitting SparkWork now happens before MapJoinResolver. As MapJoinResolve may
> further spins off a dependent SparkWork for small tables of a join, we need
> to make Spark RDD caching continue work even across SparkWorks.
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