beam
https://github.com/apache/beam
Java
Apache Beam is a unified programming model for Batch and Streaming data processing.
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- Issues
- Overlapping sessions with zero allowed lateness due to window expiry rules
- Update DirectRunner's SDF implementation to support side outputs
- BigQuery Partitioned table creation/write fails when destination has partition decorator
- Add support for overriding PTransforms with multiple outputs
- DataflowRunner for python streaming uses portable containers
- Have the pipeline supply beam-sdks-java-harness instead of embedding it within the beam-sdks-java-container
- Prohibit stacked GBKs with accumulating mode
- DoFns should be torn down as part of an orderly shutdown
- Create a generator of finite-but-unbounded PCollection's for integration testing
- Port ElasticSearchIOTest off DoFnTester
- Docs
- Java not yet supported