Maestro: Netflix’s Workflow Orchestrator

Netflix has open-sourced Maestro, a versatile and horizontally scalable workflow orchestrator designed for managing large-scale workflows like data pipelines and machine learning model training. Maestro supports both acyclic and cyclic workflows and includes reusable patterns such as foreach loops, subworkflow, and conditional branches. It is capable of handling numerous workflows and tasks, boasting features such as predefined run strategies, dynamic parameter support, and secure code injection. Maestro ensures efficient workflow management with a single orchestrator handling all workflows accessing Netflix's data warehouse, thus reducing complexity and improving user experience.