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Posted to issues@beam.apache.org by "Ismaël Mejía (Jira)" <ji...@apache.org> on 2020/02/28 10:52:01 UTC

[jira] [Updated] (BEAM-3000) No python equivalent of org.apache.beam.sdk.transforms.Sample.any(100)?

     [ https://issues.apache.org/jira/browse/BEAM-3000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismaël Mejía updated BEAM-3000:
-------------------------------
    Priority: Major  (was: Critical)

> No python equivalent of org.apache.beam.sdk.transforms.Sample.any(100)?
> -----------------------------------------------------------------------
>
>                 Key: BEAM-3000
>                 URL: https://issues.apache.org/jira/browse/BEAM-3000
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core
>            Reporter: Rodrigo Benenson
>            Priority: Major
>              Labels: ccoss2019, starter
>
> Java's org.apache.beam.sdk.transforms.Sample.any will return a PCollection with bounded size (filtering strategy).
> The closest python eqiuvalent is beam.Sample.FixedSizeGlobally(n) whover, this version uses a combiner strategy, returning a list with n elements; which does not scale if n is "bigger than what fits in memory".



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