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https://issues.apache.org/jira/browse/BEAM-14331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17550052#comment-17550052
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Danny McCormick commented on BEAM-14331:
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This issue has been migrated to https://github.com/apache/beam/issues/21622
> Make InteractiveRunner work without runner api roundtrip
> --------------------------------------------------------
>
> Key: BEAM-14331
> URL: https://issues.apache.org/jira/browse/BEAM-14331
> Project: Beam
> Issue Type: Improvement
> Components: runner-py-interactive
> Reporter: Ning
> Priority: P2
>
> InteractiveRunner still uses a runner api roundtrip to make "deep copies" of
> pipelines.
> Such a roundtrip is not guaranteed to work especially when a transform is not
> serializable. Example issues is BEAM-14112.
>
> Though a temporary fix could be made, a better approach is to refactor the
> implementation of InteractiveRunner to always work on runner api protos
> without relying on roundtrip or "deep copies".
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