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
- Portable runners should be able to issue checkpoints to Splittable DoFn
- There should be single source of truth for the project version
- [Bug]: Side Input Singleton View throw error when impulse period is short: PCollection with more than one element accessed as a singleton view
- [Bug]: Difficult to use Portable Flink Runner with Go
- [Bug]: Google Cloud Storage Sink not working with unbounded pcollection using Sliding window and GrouByKey
- [Bug]: Possible data loss in BigtableIO r/w if timestamp not set (default to epoch)
- [Bug]: Large PIPELINE_OPTIONS can lead to command line args list too long errors in SDK containers
- Globbing asterisk cannot be escaped in file reads.
- [Feature Request][Go SDK]: Generics API for beam
- [Bug]: XmlIO Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/ValidationEventHandler
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- Java not yet supported