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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-22938) Assert that SQLConf.get is accessed only on the driver.
Date Tue, 02 Jan 2018 14:34:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-22938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16308130#comment-16308130
] 

Apache Spark commented on SPARK-22938:
--------------------------------------

User 'juliuszsompolski' has created a pull request for this issue:
https://github.com/apache/spark/pull/20136

> Assert that SQLConf.get is accessed only on the driver.
> -------------------------------------------------------
>
>                 Key: SPARK-22938
>                 URL: https://issues.apache.org/jira/browse/SPARK-22938
>             Project: Spark
>          Issue Type: Test
>          Components: SQL
>    Affects Versions: 2.2.1
>            Reporter: Juliusz Sompolski
>
> Assert if code tries to access SQLConf.get on executor.
> This can lead to hard to detect bugs, where the executor will read fallbackConf, falling
back to default config values, ignoring potentially changed non-default configs.
> If a config is to be passed to executor code, it needs to be read on the driver, and
passed explicitly.



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