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
- Support state API in Spark streaming mode.
- In WC Walkthrough: Document how logging works on Apache Flink
- In WC Walkthrough: Document how logging works on Apache Spark
- Integration tests should create/destroy resources required for running
- Cleanup SDK regarding lint warnings (and lint warning suppression).
- Provide a runner-internal ExecutorService for maintenance tasks
- Remove StateTag
- Simple pattern for per-bundle and per-DoFn Closeable resources
- Add TriggerTester methods to check that timers are set
- Add support for side inputs/outputs to Java 8 lambdas in MapElements
- Docs
- Java not yet supported