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Posted to commits@beam.apache.org by "Kenneth Knowles (JIRA)" <ji...@apache.org> on 2016/11/03 23:05:59 UTC

[jira] [Updated] (BEAM-638) Add sink transform to write bounded data per window, pane, [and key] even when PCollection is unbounded

     [ https://issues.apache.org/jira/browse/BEAM-638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles updated BEAM-638:
---------------------------------
    Summary: Add sink transform to write bounded data per window, pane, [and key] even when PCollection is unbounded  (was: Add a Window function to create a bounded PCollection from an unbounded one)

> Add sink transform to write bounded data per window, pane, [and key] even when PCollection is unbounded
> -------------------------------------------------------------------------------------------------------
>
>                 Key: BEAM-638
>                 URL: https://issues.apache.org/jira/browse/BEAM-638
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-core
>            Reporter: Jean-Baptiste Onofré
>            Assignee: Davor Bonaci
>
> Today, if the pipeline source is unbounded, and the sink expects a bounded collection, there's no way to use a single pipeline. Even a window creates a chunk on the unbounded PCollection, but the "sub" PCollection is still unbounded.
> It would be helpful for users to have a Window function that create a bounded PCollection (on the window) from an unbounded PCollection coming from the source.



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