Technical GlossaryData Engineering and AI Infrastructure
DAG
A core orchestration structure that models data processing tasks as a directed acyclic dependency graph.
A DAG describes both the tasks in a data workflow and the order in which those tasks should execute. Its acyclic structure ensures that the workflow remains finite and resolvable. DAG logic is central in orchestration systems such as Airflow. In large data platforms, explicitly modeling task dependencies provides major benefits for debugging, maintainability, and operational control.
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