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The Parquet Format and Performance Optimization Opportunities Boudewijn Braams (Databricks)
The Parquet format is one of the most widely used columnar storage formats in the Spark ecosystem. Given that I/O is expensive and that the storage layer is the entry point for any query execution, understanding the intricacies of your storage format is important for optimizing your workloads. As an introduction, we will provide context around ...
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