How Astro runs billions of Airflow tasks around the world

Astronomer, founded in 2018, has developed Astro, a fully managed SaaS platform that runs and manages Apache Airflow at an immense scale, processing over 100 million tasks monthly across all major public clouds. As a data orchestration platform originally built by Airbnb, Airflow's open-source nature allowed it to gain popularity, which Astro capitalizes on by offering scalable deployment solutions. Astro's architecture comprises a Control Plane and a Data Plane, with services like Stagehand and Harmony managing cluster provisioning, configuration, and maintenance. The Astro API facilitates user interactions, while the Control Plane ensures security by preventing public internet exposure. The system's observability is enhanced by Symphony and Laminar, which monitor deployment health and optimize resources through intelligent autoscaling. This inaugural blog post by Astronomer intends to kick off a series that will delve deeper into the platform's unique features and technical details.

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