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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 05:35:22 UTC

[jira] [Updated] (SPARK-3306) Addition of external resource dependency in executors

     [ https://issues.apache.org/jira/browse/SPARK-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-3306:
--------------------------------
    Labels: bulk-closed  (was: )

> Addition of external resource dependency in executors
> -----------------------------------------------------
>
>                 Key: SPARK-3306
>                 URL: https://issues.apache.org/jira/browse/SPARK-3306
>             Project: Spark
>          Issue Type: New Feature
>          Components: Spark Core
>            Reporter: Yan
>            Priority: Major
>              Labels: bulk-closed
>
> Currently, Spark executors only support static and read-only external resources of side files and jar files. With emerging disparate data sources, there is a need to support more versatile external resources, such as connections to data sources, to facilitate efficient data accesses to the sources. For one, the JDBCRDD, with some modifications,  could benefit from this feature by reusing established JDBC connections from the same Spark context before.



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