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https://issues.apache.org/jira/browse/BEAM-7951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-7951:
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    Fix Version/s:     (was: 2.17.0)

> Allow runner to configure customization WindowedValue coder such as 
> ValueOnlyWindowedValueCoder
> -----------------------------------------------------------------------------------------------
>
>                 Key: BEAM-7951
>                 URL: https://issues.apache.org/jira/browse/BEAM-7951
>             Project: Beam
>          Issue Type: Sub-task
>          Components: java-fn-execution
>            Reporter: sunjincheng
>            Assignee: sunjincheng
>            Priority: Major
>
> The coder of WindowedValue cannot be configured and it’s always 
> FullWindowedValueCoder. We don't need to serialize the timestamp, window and 
> pane properties in Flink and so it will be better to make the coder 
> configurable (i.e. allowing to use ValueOnlyWindowedValueCoder)



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