MirahLabs Engineering Blog

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Cloud Computing April 08, 2026

S3 Data Lakes: Partitioning, Parquet Format, and Athena Query Optimization

Querying raw JSON or CSV data in S3 data lakes is slow and expensive. Optimize your lake using hive-partitioning, Apache Parquet columnar storage, and AWS Athena.

⏱️ 20 min read Read Article →

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