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Posted to issues@beam.apache.org by "Maximilian Michels (Jira)" <ji...@apache.org> on 2019/09/09 17:23:00 UTC

[jira] [Commented] (BEAM-7962) Drop support for Flink 1.5 and 1.6

    [ https://issues.apache.org/jira/browse/BEAM-7962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16925938#comment-16925938 ] 

Maximilian Michels commented on BEAM-7962:
------------------------------------------

[~davidmoravek] This was previously assigned to me. I already have an old PR for this ready. Happy to let you review the PR though.

> Drop support for Flink 1.5 and 1.6
> ----------------------------------
>
>                 Key: BEAM-7962
>                 URL: https://issues.apache.org/jira/browse/BEAM-7962
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Maximilian Michels
>            Assignee: David Moravek
>            Priority: Major
>             Fix For: 2.16.0
>
>
> With Flink 1.9 around the corner, we should consider dropping support for Flink 1.5 and 1.6.
> This will get rid of Flink 1.5/1.6 specific workarounds, e.g. make use of Flink's {{preSnapshotBarrier}} in {{AbstractStreamOperator}} which removes the needs to buffer elements during a snapshot.
> Dropping 1.5/1.6 will also decrease the build time.



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