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Re:Apache Arrow 3.0 by ianmcook on Wednesday February 03, 2021 @05:44PM (#26020199)
Parquet is not based on Arrow. The Parquet libraries are built into Arrow, but the two projects are separate and Arrow is not a dependency of Parquet.
Re:Apache Arrow 3.0 by mr_toad on Wednesday February 03, 2021 @07:22PM (#26021072)
Arrow has definitely influenced the design of Parquet, they’re meant to compliment each other.