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https://issues.apache.org/jira/browse/SPARK-18975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15769375#comment-15769375
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Apache Spark commented on SPARK-18975:
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User 'jerryshao' has created a pull request for this issue:
https://github.com/apache/spark/pull/16382
> Add an API to remove SparkListener from SparkContext
> -----------------------------------------------------
>
> Key: SPARK-18975
> URL: https://issues.apache.org/jira/browse/SPARK-18975
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Saisai Shao
> Priority: Minor
>
> In current Spark we could add customized {{SparkListener}} through
> {{SparkContext#addListener}} API, but there's no API to remove the registered
> one. In our scenario SparkListener will be added repeatedly accordingly to
> the changed environment. If lacks the ability to remove listeners, there
> might be bunch of registered listeners finally, this is unnecessary and
> potentially affect the performance. So here propose to add an API to remove
> registered listener.
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