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https://issues.apache.org/jira/browse/FLINK-21222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Huang Xingbo reassigned FLINK-21222:
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Assignee: Huang Xingbo
> Support loopback mode to allow Python UDF worker and client reuse the same
> Python VM
> ------------------------------------------------------------------------------------
>
> Key: FLINK-21222
> URL: https://issues.apache.org/jira/browse/FLINK-21222
> Project: Flink
> Issue Type: Improvement
> Components: API / Python
> Reporter: Dian Fu
> Assignee: Huang Xingbo
> Priority: Major
> Labels: auto-unassigned, pull-request-available
> Fix For: 1.14.0
>
>
> Currently the Python process for the client and the Python UDF worker runs in
> different Python processes. It would bring the following benefits if we could
> support loopback mode to allow Python UDF worker and client reuse the same
> Python VM:
> 1) It could greatly reduce the job initialization overhead in mini-cluster
> mode as there is no need to start the Python process any more.
> 2) It makes the debug easier.
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