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ArrowTable -> ColumnarDataset
Convert standard Arrow/Parquet tables into an optimized columnar layout designed for fast random-access point lookups of multimodal records.
Problem it solves
Standard parquet files suffer from slow point-lookup and random-access performance due to large row group boundaries and compression blocks.
Consumes
Emits
The real projects this mechanism was found in. Attribution is the point — this is how the best teams actually do it.