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Posted to issues@flink.apache.org by "Dian Fu (Jira)" <ji...@apache.org> on 2020/04/13 08:14:00 UTC

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

     [ https://issues.apache.org/jira/browse/FLINK-17115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dian Fu reassigned FLINK-17115:
-------------------------------

    Assignee: Huang Xingbo

> 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
>            Assignee: Huang Xingbo
>            Priority: Major
>             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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