Optimizing ETL Pipelines with Delta Lake and Medallion Architecture: A Scalable Approach for Large-Scale Data

Author(s)	Praveen Kumar Reddy Gujjala
Country	United States
Abstract	The exponential growth of enterprise data has led to the demand for highly efficient, scalable, and reliable Extract–Transform–Load (ETL) pipelines. Traditional ETL approaches often encounter limitations in handling massive datasets while maintaining transactional consistency, efficient schema evolution, and seamless integration with real-time workloads. This paper presents a comprehensive technical exploration of combining Delta Lake and Medallion Architecture to address these challenges. Delta Lake’s ACID (Atomicity, Consistency, Isolation, Durability) transaction guarantees provide a resilient data foundation, while Medallion Architecture enables a layered approach to data curation through the Bronze, Silver, and Gold layers. The proposed methodology incorporates schema evolution, time travel, and optimized partitioning strategies to dynamically adapt to changing business requirements. Performance evaluation through longitudinal studies and controlled simulations demonstrates significant improvements in data throughput, governance, and system uptime. This work provides a blueprint for designing future-ready ETL pipelines capable of supporting both batch and streaming workloads at scale.
Field	Engineering
Published In	Volume 6, Issue 6, November-December 2024
Published On	2024-12-04
DOI	https://doi.org/10.36948/ijfmr.2024.v06i06.55445

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International Journal For Multidisciplinary Research