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https://issues.apache.org/jira/browse/FLINK-19035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Wysakowicz closed FLINK-19035.
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Release Note: The long deprecated (Windowed)DataStream#fold was removed in
1.12. Please use other operations such as e.g. (Windowed)DataStream#reduce that
perform better in distributed systems.
Resolution: Fixed
> Remove deprecated DataStream#fold() method and all related classes
> ------------------------------------------------------------------
>
> Key: FLINK-19035
> URL: https://issues.apache.org/jira/browse/FLINK-19035
> Project: Flink
> Issue Type: Sub-task
> Components: API / DataStream
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> We should also agree if we want to remove those in 1.x version already or do
> we want to wait for 2.0.
> We should remove DataStream#fold and all related classes and methods such as
> FoldFunction, FoldingState, FoldingStateDescriptor ...
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