[jira] [Created] (FLINK-17115) Support Cython Optimizing Python User Defined Function(FLIP-121)

[Shang Yuanchun (Jira)]

Huang Xingbo created FLINK-17115:
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             Summary: Support Cython Optimizing Python User Defined Function(FLIP-121)
                 Key: FLINK-17115
                 URL: https://issues.apache.org/jira/browse/FLINK-17115
             Project: Flink
          Issue Type: Improvement
          Components: API / Python
            Reporter: Huang Xingbo
             Fix For: 1.11.0


Scalar Python UDF ([FLIP-58|https://cwiki.apache.org/confluence/display/FLINK/FLIP-58%3A+Flink+Python+User-Defined+Stateless+Function+for+Table]) has already been supported in release 1.10 and Python UDTF will be supported in the coming release of 1.11. In release 1.10, we focused on supporting UDF features and did not make many optimizations in terms of performance. Although we have made a lot of optimizations in master, Cython can further greatly improve the performance of Python UDF.



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