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From "Brock Noland (JIRA)" <>
Subject [jira] [Updated] (HIVE-7606) Design SparkSession, SparkSessionManager [Spark Branch]
Date Mon, 18 Aug 2014 18:48:21 GMT


Brock Noland updated HIVE-7606:

       Resolution: Fixed
    Fix Version/s: spark-branch
           Status: Resolved  (was: Patch Available)

Thank you so much [~vkorukanti] for your contribution!! I have committed your change to the
spark branch!

> Design SparkSession, SparkSessionManager [Spark Branch]
> -------------------------------------------------------
>                 Key: HIVE-7606
>                 URL:
>             Project: Hive
>          Issue Type: Task
>          Components: Spark
>            Reporter: Brock Noland
>            Assignee: Venki Korukanti
>             Fix For: spark-branch
>         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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