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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 16:11:19 UTC

[GitHub] [beam] kennknowles opened a new issue, #18043: Merge, Split, Delay, and Reorder bundles in the DirectRunner

kennknowles opened a new issue, #18043:
URL: https://github.com/apache/beam/issues/18043

   PCollections have no guarantees about the ordering of elements between steps
   
   Randomly reordering, splitting and merging bundles will break user pipelines which assume some order will be maintained between steps and within a bundle. This assumption is not correct, so should break in the Direct Runner.
   
   Imported from Jira [BEAM-344](https://issues.apache.org/jira/browse/BEAM-344). Original Jira may contain additional context.
   Reported by: tgroh.


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