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https://issues.apache.org/jira/browse/HIVE-7873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169789#comment-14169789
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Brock Noland commented on HIVE-7873:
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Awesome!
I think that the smaller cases are more common so the extra cost should be
worth the benefit we get in the common cases. Can you add a javadoc to
HiveKVResultCache which describes the thread safety properties of that class?
> Re-enable lazy HiveBaseFunctionResultList
> -----------------------------------------
>
> Key: HIVE-7873
> URL: https://issues.apache.org/jira/browse/HIVE-7873
> Project: Hive
> Issue Type: Sub-task
> Reporter: Brock Noland
> Assignee: Jimmy Xiang
> Labels: Spark-M4, spark
> Attachments: HIVE-7873.1-spark.patch
>
>
> We removed this optimization in HIVE-7799.
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