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https://issues.apache.org/jira/browse/FLINK-5720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-5720.
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Resolution: Fixed
Fix Version/s: 1.4.0
1.3: e5adf11342337994ea9da3f50ce7b587086bf820
1.4: 50baec6e8ec28663c5db70e0b95b0c8f78c3e3cd
> Deprecate "Folding" in all of DataStream API
> --------------------------------------------
>
> Key: FLINK-5720
> URL: https://issues.apache.org/jira/browse/FLINK-5720
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Aljoscha Krettek
> Assignee: Chesnay Schepler
> Priority: Blocker
> Fix For: 1.3.0, 1.4.0
>
>
> Folding is an operation that cannot be done incrementally in a distributed
> way and that also cannot be done on merging windows. Now that we have
> {{AggregatingState}} and aggregate operations we should deprecate folding in
> the APIs and deprecate {{FoldingState}}.
> I suggest to remove folding completely in Flink 2.0
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