Thomas Groh created BEAM-344:
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Summary: Merge, Split, Delay, and Reorder bundles in the
InProcessPipelineRunner
Key: BEAM-344
URL: https://issues.apache.org/jira/browse/BEAM-344
Project: Beam
Issue Type: Improvement
Components: runner-direct
Reporter: Thomas Groh
Assignee: Thomas Groh
Priority: Minor
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.
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