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Posted to commits@beam.apache.org by "Thomas Groh (JIRA)" <ji...@apache.org> on 2017/04/11 17:52:41 UTC

[jira] [Created] (BEAM-1933) Revisit Runner API PCollection unique_name

Thomas Groh created BEAM-1933:
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             Summary: Revisit Runner API PCollection unique_name
                 Key: BEAM-1933
                 URL: https://issues.apache.org/jira/browse/BEAM-1933
             Project: Beam
          Issue Type: Bug
          Components: beam-model-runner-api, sdk-java-core
            Reporter: Thomas Groh
            Assignee: Kenneth Knowles
            Priority: Minor


The Java SDK performs no work to ensure that a PCollection has a unique name. Most names will end up being unique, because they are autogenerated based on the full name of the producing transform, but names can be set by users arbitrarily.

We can generate a unique name, potentially one based on the PCollection name, but this may not map to something that is "stable over multiple evolutions of a pipeline"



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