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Why Not the Other Options? B. AWS Step Functions More flexible but requires manual setup of states and transitions for Glue & EMR. Higher operational overhead than Glue Workflows. C. AWS Lambda Lambda is not ideal for long-running ETL workflows. Best suited for lightweight data transformations or event-driven tasks. D. Amazon MWAA (Apache Airflow) More control but requires cluster management and custom DAGs. Higher maintenance than Glue Workflows.
The company wants to improve the existing architecture so A cannot be the right choice
it is interesting to choose A for minimum effort but only step functions can trigger the work both on EMR and on GLUE jobs