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
- WriteToFiles with a concrete sink can shunt data to a single window
- Support DATETIME type in BeamJavaUdfCalcRule.
- Consider adding MetricFiltering classes for metrics names with urns and labels.
- HistogramCell needs a few touches to make it match the spec :)
- Add Table statistics / Row estimation for ParquetTable
- DataFrame API: Consider allowing partitioning by column in addition to Index
- DataFrame read_* methods should allow globs that don't match any files in streaming pipelines if schema is specified
- DataFrame API: Parallelized reset_index(level=None)
- DataFrame API: Allow using CuDF for GPU execution on worker nodes
- DataFrame API: Add support for order-insensitive diff() by relying on index
- Docs
- Java not yet supported