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Beam Logo
About Get Started
  • Documentation
    • General
    • Languages
    • Runners
    • I/O Connectors
    • Roadmap Community Contribute Blog Case Studies
  • Apache Logo  Apache
    • ASF Homepage
    • License
    • Security
    • Thanks
    • Sponsorship
    • Code of Conduct
    • Start Tour of Beam Start Tour of Beam
    Machine Learning Machine Learning
    • Documentation
    • Using the Documentation
    • Concepts
      • Basics of the Beam model
      • How Beam executes a pipeline
    • Beam programming guide
      • Overview
      • Pipelines
      • PCollections
        • Creating a PCollection
        • PCollection characteristics
      • Transforms
        • Applying transforms
        • Core Beam transforms
          • ParDo
          • GroupByKey
          • CoGroupByKey
          • Combine
          • Flatten
          • Partition
        • Requirements for user code