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https://issues.apache.org/jira/browse/HIVE-7606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Venki Korukanti updated HIVE-7606:
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Attachment: HIVE-7606.2-spark.patch
Attaching v2 patch which includes review changes.
> Design SparkSession, SparkSessionManager [Spark Branch]
> -------------------------------------------------------
>
> Key: HIVE-7606
> URL: https://issues.apache.org/jira/browse/HIVE-7606
> Project: Hive
> Issue Type: Task
> Components: Spark
> Reporter: Brock Noland
> Assignee: Venki Korukanti
> Attachments: HIVE-7606.1-spark.patch, HIVE-7606.2-spark.patch
>
>
> In this JIRA we'll design two interfaces:
> * SparkSessionState
> * SparkSessionPoolManager
> and then once that is agreed upon we'll design two implementations:
> * SparkSessionStateImpl
> * SparkSessionPoolManagerImpl
> the form and function of these will be similar to the Tez equivalents.
> However, TezSessionState provides some implementation which SparkClient
> already provides (refreshLocalResources*). Let's keep SparkSessionState
> lightweight and not remove functionality from SparkClient. The scope of this
> jira is just to create the shells and basic functionality. The
> implementations in this jira should be able to:
> * Share a SparkSessionImpl across queries
> * Defining when a session can be re-used
> * Take ownership of SparkContext objects (Note we can only have a single SC
> until SPARK-2243 is resolved)
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