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Posted to issues@beam.apache.org by "Brian Hulette (Jira)" <ji...@apache.org> on 2022/01/10 17:34:00 UTC
[jira] [Updated] (BEAM-13625) pipeline_fragment incorrectly prunes producer transform
[ https://issues.apache.org/jira/browse/BEAM-13625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brian Hulette updated BEAM-13625:
---------------------------------
Assignee: Brian Hulette (was: Sam Rohde)
Resolution: Duplicate
Status: Resolved (was: Triage Needed)
> pipeline_fragment incorrectly prunes producer transform
> -------------------------------------------------------
>
> Key: BEAM-13625
> URL: https://issues.apache.org/jira/browse/BEAM-13625
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Brian Hulette
> Assignee: Brian Hulette
> Priority: P2
>
> 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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