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https://issues.apache.org/jira/browse/SPARK-3030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14120805#comment-14120805
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Davies Liu commented on SPARK-3030:
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Not yet, I think we could setup a timeout for the idle workers.
> reuse python worker
> -------------------
>
> Key: SPARK-3030
> URL: https://issues.apache.org/jira/browse/SPARK-3030
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Reporter: Davies Liu
> Assignee: Davies Liu
>
> Currently, it will fork an Python worker for each task, it will better if we
> can reuse the worker for later tasks.
> This will be very useful for large dataset with big broadcast, so it does not
> need to sending broadcast to worker again and again. Also it can reduce the
> overhead of launch a task.
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