Pyarrow

Pandas to Parquet Conversion with Per-Column Compression

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What will you learn? In this comprehensive tutorial, you will master the art of converting data from a Pandas DataFrame to the Parquet format in Python. By incorporating per-column compression techniques, you will optimize storage efficiency without sacrificing performance. Introduction to the Problem and Solution When dealing with vast datasets, it becomes imperative to strike … Read more

Reading Specific Rows from Parquet File Using Pyarrow in Python

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What You Will Learn In this tutorial, you will master the art of extracting a specific number of rows from designated row groups within a Parquet file using Pyarrow in Python. By the end, you’ll be equipped with the skills to efficiently handle large datasets stored in Parquet format. Introduction to the Problem and Solution … Read more