[jira] [Reopened] (SPARK-529) Have a single file that controls the environmental variables and spark config options

["Marcelo Vanzin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcelo Vanzin reopened SPARK-529:
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I'm reopening this since I believe it's a worthy addition; in fact, Spark SQL already has something similar, and I'm just refactoring that code a little for use in the other modules.

(It's not a single file per-se, but the spirit is the same - one location where a particular config option is defined - name, type and default value).

> Have a single file that controls the environmental variables and spark config options
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-529
>                 URL: https://issues.apache.org/jira/browse/SPARK-529
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Reynold Xin
>
> E.g. multiple places in the code base uses SPARK_MEM and has its own default set to 512. We need a central place to enforce default values as well as documenting the variables.



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