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https://issues.apache.org/jira/browse/SPARK-59886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-59886.
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Fix Version/s: 4.4.0
Resolution: Fixed
Issue resolved by pull request 59153
[https://github.com/apache/spark/pull/59153]
> Offer built-in dispatcher factories as enums
> ---------------------------------------------
>
> Key: SPARK-59886
> URL: https://issues.apache.org/jira/browse/SPARK-59886
> Project: Spark
> Issue Type: Sub-task
> Components: UDF
> Affects Versions: 4.4.0
> Reporter: Haiyang Sun
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.4.0
>
>
> Following up on SPARK-59822 -
> the ideal case is that custom worker logic should be wired via the worker
> spec contract.
> In most of cases, Spark should be able to offer the generic dispatching logic
> by default without needing a custom dispatcher (generalizing what pyspark is
> doing nowadays). And it's also possible to offer several dispatching options
> directly. So this config ideally could be an enum for few built-in
> dispatching options rather an arbitrary class.
> Directly allow arbitrary custom logic here can make the behavior
> unpredictable for the engine.
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