[jira] [Updated] (SPARK-17319) Move addJar from HiveSessionState to HiveSharedState

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-17319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-17319:
---------------------------------
    Labels: bulk-closed  (was: )

> Move addJar from HiveSessionState to HiveSharedState
> ----------------------------------------------------
>
>                 Key: SPARK-17319
>                 URL: https://issues.apache.org/jira/browse/SPARK-17319
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: Xiao Li
>            Priority: Major
>              Labels: bulk-closed
>
> aThe added jar is shared by all the sessions, because SparkContext does not support sessions. Thus, it makes more sense to move {{addJar}} from `HiveSessionState` to `HiveSharedState`
> This is also another step to remove Hive client usage in `HiveSessionState`.
> Different sessions are sharing the same class loader, and thus, `metadataHive.addJar(path)` basically loads the JARs for all the sessions. Thus, no impact is made if we move `addJar` from `HiveSessionState` to `HiveExternalCatalog`.



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