[jira] [Commented] (BEAM-13624) pipeline_fragment incorrectly prunes producer transform

["Beam JIRA Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-13624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17509476#comment-17509476 ] 

Beam JIRA Bot commented on BEAM-13624:
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This issue is assigned but has not received an update in 30 days so it has been labeled "stale-assigned". If you are still working on the issue, please give an update and remove the label. If you are no longer working on the issue, please unassign so someone else may work on it. In 7 days the issue will be automatically unassigned.

> pipeline_fragment incorrectly prunes producer transform
> -------------------------------------------------------
>
>                 Key: BEAM-13624
>                 URL: https://issues.apache.org/jira/browse/BEAM-13624
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Brian Hulette
>            Assignee: Sam Rohde
>            Priority: P2
>              Labels: stale-assigned
>
> Unfortunately I haven't been able to diagnose the exact issue here or come up with a minimal repro. I just have some code to reproduce in https://github.com/apache/beam/pull/16445.
> That PR adds support for value_count(bins) in the DataFrame API, which for some reason is interacting poorly with pipeline pruning in interactive Beam (rehydrating the pipeline raises an error about a PCollection's producer missing). The PR also adds a test to transform_test.py that replicate the issue, as well as a temporary mitigation in pipeline_fragment.py. I think the mitigation is effectively disabling pipeline pruning, so it likely shouldn't be merged.



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