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ETL Workflows in AWS: A Practical Guide +91-7032290546 www.visualpath.in
Introduction to ETL on AWS • Beyond Traditional ETL: Shift from monolithic tools to cloud-native workflows • Data as a Product: Treat data pipelines as scalable, reusable assets • AWS Advantage: Elastic infrastructure and automation for every ETL stage • Focus of This Guide: Hands-on strategies to build robust ETL in AWS +91-7032290546 www.visualpath.in
Key AWS Services for ETL • AWS Glue: Serverless ETL orchestration & transformation • Amazon S3: Data lake storage and staging layer • Amazon Redshift: High-performance data warehousing • AWS Lambda: Event-driven processing and triggers +91-7032290546 www.visualpath.in
Designing ETL Architecture on AWS • Define data sources and destinations • Plan transformations: filtering, joining, cleansing • Leverage Glue crawlers to catalog source data • Choose batch vs. streaming based on use case +91-7032290546 www.visualpath.in
Building ETL Jobs with AWS Glue • Create Glue Jobs using PySpark or • visual ETL editor • Use Glue Studio for low-code job authoring • Schedule jobs using triggers and workflows • Debug and test jobs with built-in monitoring +91-7032290546 www.visualpath.in
Data Transformation Best Practices • Use Glue DynamicFrames for schema flexibility • Optimize transformations for performance • (e.g., partitioning) • Incorporate business logic in the transformation • layer • Cleanse data before loading to downstream • systems +91-7032290546 www.visualpath.in
Orchestration & Workflow Automation • Use AWS Glue Workflows for job sequencing • Integrate Step Functions for complex orchestration • Monitor workflows using CloudWatch & Glue logs • Enable notifications via SNS for job status updates +91-7032290546 www.visualpath.in
Security & Cost Optimization • Use IAM roles to control access to ETL components • Encrypt data at rest (S3, Redshift) and in transit • Optimize Glue job costs by choosing right worker type • Clean up unused resources to avoid unexpected charges +91-7032290546 www.visualpath.in
Real-World Use Case + Wrap-Up Example: Retail company ETL pipeline for customer insights Flow: Ingest → Transform (Glue) → Load (Redshift) Key benefits realized: speed, scalability, cost savings Recap & key takeaways for designing ETL in AWS +91-7032290546 www.visualpath.in
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