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Posted to github@beam.apache.org by "mosche (via GitHub)" <gi...@apache.org> on 2023/03/08 12:57:11 UTC

[GitHub] [beam] mosche opened a new issue, #25761: [Feature Request]: Fuse ParDos in linear linage for Spark Dataset runner (producer-consumer fusion)

mosche opened a new issue, #25761:
URL: https://github.com/apache/beam/issues/25761

   ### What would you like to happen?
   
   Beam runners may choose to apply optimizations to a pipeline before it is executed. A key optimization, fusion, relates to [ParDo](https://beam.apache.org/releases/javadoc/2.0.0/org/apache/beam/sdk/transforms/ParDo.html) operations. If one [ParDo](https://beam.apache.org/releases/javadoc/2.0.0/org/apache/beam/sdk/transforms/ParDo.html) operation produces a [PCollection](https://beam.apache.org/releases/javadoc/2.0.0/org/apache/beam/sdk/values/PCollection.html) that is then consumed as the main input of another [ParDo](https://beam.apache.org/releases/javadoc/2.0.0/org/apache/beam/sdk/transforms/ParDo.html) operation, the two [ParDo](https://beam.apache.org/releases/javadoc/2.0.0/org/apache/beam/sdk/transforms/ParDo.html) operations will be fused together into a single ParDo operation and run in a single pass; this is "producer-consumer fusion".
   
   ### Issue Priority
   
   Priority: 3 (nice-to-have improvement)
   
   ### Issue Components
   
   - [ ] Component: Python SDK
   - [ ] Component: Java SDK
   - [ ] Component: Go SDK
   - [ ] Component: Typescript SDK
   - [ ] Component: IO connector
   - [ ] Component: Beam examples
   - [ ] Component: Beam playground
   - [ ] Component: Beam katas
   - [ ] Component: Website
   - [X] Component: Spark Runner
   - [ ] Component: Flink Runner
   - [ ] Component: Samza Runner
   - [ ] Component: Twister2 Runner
   - [ ] Component: Hazelcast Jet Runner
   - [ ] Component: Google Cloud Dataflow Runner


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[GitHub] [beam] mosche closed issue #25761: [Feature Request]: Fuse ParDos in linear linage for Spark Dataset runner (producer-consumer fusion)

Posted by "mosche (via GitHub)" <gi...@apache.org>.
mosche closed issue #25761: [Feature Request]: Fuse ParDos in linear linage for Spark Dataset runner (producer-consumer fusion)
URL: https://github.com/apache/beam/issues/25761


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