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
- TextIO should support reading header lines
- Simplify specifying coders on PCollectionTuple
- Simplify DefaultCoder
- FileBasedSink writing to incorrect path when path prefixe has no file component in path (e.g. /tmp/)
- Transform names and named applications should not be null or empty
- Error: "Unable to find registrar for hdfs" - need to prevent/improve error message
- Add ViewTests with SlidingWindows
- Count should return a more specific type than PTransform
- writeProtos() should allow a user to specify message attributes
- Delegate beam metrics to runners
- Docs
- Java not yet supported