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Posted to commits@beam.apache.org by "Rodrigo Benenson (JIRA)" <ji...@apache.org> on 2017/09/28 01:43:00 UTC

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

Rodrigo Benenson created BEAM-3000:
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             Summary: 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
            Assignee: Ahmet Altay
            Priority: Critical


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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