Dian Fu created FLINK-21222:
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Summary: 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
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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