[jira] [Updated] (SPARK-31432) Make SPARK_JARS_DIR configurable

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-31432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-31432:
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    Summary: Make SPARK_JARS_DIR configurable  (was: bin/sbin scripts should allow to customize jars dir)

> Make SPARK_JARS_DIR configurable
> --------------------------------
>
>                 Key: SPARK-31432
>                 URL: https://issues.apache.org/jira/browse/SPARK-31432
>             Project: Spark
>          Issue Type: Improvement
>          Components: Deploy
>    Affects Versions: 3.1.0
>            Reporter: Shingo Furuyama
>            Priority: Minor
>
> In the script under bin/sbin, it is better that we can specify SPARK_JARS_DIR as same as SPARK_CONF_DIR.
> Our usecase:
>  We are trying to employ spark 2.4.5 with YARN in HDP2.6.4. Since there is an incompatible conflict on commons-lang3 between spark 2.4.5 and HDP2.6.4, we tweak the jars by Maven Shade Plugin.
>  The jars slightly differ from jars in spark 2.4.5, and we locate it in a directory different from the default. So it is useful for us if we can set SPARK_JARS_DIR for bin/sbin scripts to point the direcotry.
>  We can do that without the modification by deploying spark home as many as set of jars, but it is somehow redundant.
> Common usecase:
>  I believe there is a similer usecase. For example, deploying spark built for scala 2.11 and 2.12 in a machine and switch jars location by setting SPARK_JARS_DIR.



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