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https://issues.apache.org/jira/browse/SPARK-17319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-17319:
----------------------------
Description:
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`.
was:
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`.
> 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
>
> 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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