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https://issues.apache.org/jira/browse/HIVE-8844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang reassigned HIVE-8844:
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Assignee: Jimmy Xiang
> Choose a persisent policy for RDD caching [Spark Branch]
> --------------------------------------------------------
>
> Key: HIVE-8844
> URL: https://issues.apache.org/jira/browse/HIVE-8844
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Xuefu Zhang
> Assignee: Jimmy Xiang
>
> RDD caching is used for performance reasons in some multi-insert queries.
> Currently, we call RDD.cache(), which indicates a persistency policy of using
> memory only. We should choose a better policy. I think memory+disk will be
> good enough. Refer to RDD.persist() for more information.
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