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https://issues.apache.org/jira/browse/FLINK-18954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17179380#comment-17179380
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Hequn Cheng commented on FLINK-18954:
-------------------------------------
Close this Jira for now since currently MapFunction/FlatMapFunction does not
contain the open method in which metrics need to be initialized.
> Add documentation for Metrics in Python DataStream API.
> -------------------------------------------------------
>
> Key: FLINK-18954
> URL: https://issues.apache.org/jira/browse/FLINK-18954
> Project: Flink
> Issue Type: Sub-task
> Components: API / Python
> Reporter: Hequn Cheng
> Assignee: Hequn Cheng
> Priority: Major
> Fix For: 1.12.0
>
>
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