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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/12/13 15:45:00 UTC

[jira] [Assigned] (SPARK-26362) Deprecate 'spark.driver.allowMultipleContexts' to disallow multiple Spark contexts

     [ https://issues.apache.org/jira/browse/SPARK-26362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-26362:
------------------------------------

    Assignee:     (was: Apache Spark)

> Deprecate 'spark.driver.allowMultipleContexts' to disallow multiple Spark contexts
> ----------------------------------------------------------------------------------
>
>                 Key: SPARK-26362
>                 URL: https://issues.apache.org/jira/browse/SPARK-26362
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.0.0
>            Reporter: Hyukjin Kwon
>            Priority: Major
>
> Multiple Spark contexts are discouraged and it has been warning from 4 years ago (see SPARK-4180).
> It could cause arbitrary and mysterious error cases. (Honestly, I didn't even know Spark allows it). 



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