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Learning Apache Parquet

Apache Parquet is a columnar storage format commonly used in cloud-based data processing and analytics. It allows for efficient data compression and encoding, making it suitable for big data applications. Here's an overview of Parquet and its benefits, along with an example of its usage in a cloud environment: What is Parquet? Parquet is an open-source, columnar storage format developed by Twitter and Cloudera. It's designed for efficient data storage and retrieval in big data analytics. Benefits Columnar Storage: Stores data in columns instead of rows, reducing I/O and improving query performance. Compression: Supports various compression algorithms, minimizing storage space. Encoding: Uses efficient encoding schemes, further reducing storage needs. Query Efficiency: Optimized for fast query execution. Cloud Example: Using Parquet in AWS Here's a simplified example using AWS Glue, S3 and Athena: Step 1: Data Preparation Create an AWS Glue crawler to identify your data sche...