[jira] [Commented] (SPARK-5411) Allow SparkListeners to be specified in SparkConf and loaded when creating SparkContext

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-5411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14292494#comment-14292494 ] 

Apache Spark commented on SPARK-5411:
-------------------------------------

User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/4111

> Allow SparkListeners to be specified in SparkConf and loaded when creating SparkContext
> ---------------------------------------------------------------------------------------
>
>                 Key: SPARK-5411
>                 URL: https://issues.apache.org/jira/browse/SPARK-5411
>             Project: Spark
>          Issue Type: New Feature
>          Components: Spark Core
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>
> It would be nice if there was a mechanism to allow SparkListeners to be registered through SparkConf settings.  This would allow monitoring frameworks to be easily injected into Spark programs without having to modify those programs' code.
> I propose to introduce a new configuration option, {{spark.extraListeners}}, that allows SparkListeners to be specified in SparkConf and registered before the SparkContext is created.  Here is the proposed documentation for the new option:
> {quote}
> A comma-separated list of classes that implement SparkListener; when initializing SparkContext, instances of these classes will be created and registered with Spark's listener bus. If a class has a single-argument constructor that accepts a SparkConf, that constructor will be called; otherwise, a zero-argument constructor will be called. If no valid constructor can be found, the SparkContext creation will fail with an exception.
> {quote}



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