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Posted to issues@beam.apache.org by "David Moravek (Jira)" <ji...@apache.org> on 2019/11/11 15:05:00 UTC

[jira] [Updated] (BEAM-8608) Chain DoFns in Flink batch runner when possible.

     [ https://issues.apache.org/jira/browse/BEAM-8608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Moravek updated BEAM-8608:
--------------------------------
    Attachment: Screen Shot 2019-11-07 at 10.35.22.png

> Chain DoFns in Flink batch runner when possible.
> ------------------------------------------------
>
>                 Key: BEAM-8608
>                 URL: https://issues.apache.org/jira/browse/BEAM-8608
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-flink
>    Affects Versions: 2.16.0
>            Reporter: David Moravek
>            Assignee: David Moravek
>            Priority: Major
>         Attachments: Screen Shot 2019-11-07 at 10.35.07.png, Screen Shot 2019-11-07 at 10.35.22.png
>
>
> Right now, in Batch runner, DoFn is executed using MapPartition operator (_FlinkDoFnFunction_), which doesn't have chained driver implementation.
> We need to reimplement DoFnFunction with FlatMap to allow chaining.



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