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ASF GitHub Bot commented on FLINK-5720: --------------------------------------- GitHub user zentol opened a pull request: https://github.com/apache/flink/pull/3816 [FLINK-5720] Deprecate DataStream#fold() This PR deprecates the various `DataStream#fold()` methods and all related internal classes. You can merge this pull request into a Git repository by running: $ git pull https://github.com/zentol/flink 5720_deprecate_folding Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/3816.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3816 ---- commit 40fd483992f7820f8e6f7b26cd7e95a6d5f71507 Author: zentol <ches...@apache.org> Date: 2017-05-03T13:49:03Z [FLINK-5720] Deprecate DataStream#fold() ---- > 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 > > > 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 -- This message was sent by Atlassian JIRA (v6.3.15#6346)