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Posted to issues@beam.apache.org by "Ismaël Mejía (Jira)" <ji...@apache.org> on 2020/04/14 22:02:00 UTC

[jira] [Updated] (BEAM-9748) Add Reshuffle.ForSequentiallyGeneratedInput transform

     [ https://issues.apache.org/jira/browse/BEAM-9748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismaël Mejía updated BEAM-9748:
-------------------------------
    Summary: Add Reshuffle.ForSequentiallyGeneratedInput transform  (was: Add Reshuffle.forSequentiallyGeneratedInput() transform)

> Add Reshuffle.ForSequentiallyGeneratedInput transform
> -----------------------------------------------------
>
>                 Key: BEAM-9748
>                 URL: https://issues.apache.org/jira/browse/BEAM-9748
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>            Reporter: Ismaël Mejía
>            Assignee: Ismaël Mejía
>            Priority: Minor
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> Some DoFn based IOs like JdbcIO and RedisIO rely on the Reparallelize transform,
> a combination of a an empty PCollectionView and Reshuffle to force the
> materialization and reparallelize a PCollection. The idea of this issue is to
> extract this transform and expose it as part of the internal Reshuffle
> transform to avoid repeating the code for transforms (notably IOs) that require
> to reparallelize its output.



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