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Intro to Airflow From Zero to Hero

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❗Disclaimer❗

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As this is an Airflow sharing, ...

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$ cat speaker.py __name__ = 李唯 / Wei Lee __what_i_am_doing__ = [ Software Engineer @ Astronomer, Volunteers @ PyCon Taiwan, Maintainer of commitizen-tools, ] __github__ = G Lee-W __site__ = p http://wei-lee.me

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File "speaker.py", line 1 __name__ = 李唯 / Wei Lee ^^^ SyntaxError: invalid syntax $ python speaker.py

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Let's start with FAQ

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Question 1 Are you an airflow committer?

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No

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Question 2 Are folks in your team all committers?

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Well...You tell me. At least I'm not.

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Question 3 You must have made significant contributions to Airflow before joining Astronomer, right?

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This is the sole PR I made before joining.

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Question 4 Does Astronomer have enough votes to push/block whatever feature?

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The truth is I don't know. From what I heard, we could, but we don't do it this way

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What is Airflow Apache Airflow™ is an open-source platform for developing, scheduling, and monitoring batch-oriented workflows. - from the Official Site

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What Airflow is not? ❌ • The best framework to run event-based workflows infinitely. • The best streaming solution.

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Why Airflow • dynamic • scalable • interactive through UI, CLI, REST API • extensible

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Why Airflow A large user base

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Why Airflow Active Development

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Why Airflow Integrations with 3-party projects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Why Airflow?

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Why Airflow

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How does Airflow work?

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How does Airflow work? DAG Example

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How Airflow works?

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How does Airflow work? Trigger a DAG

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How does Airflow work?

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How does Airflow work? WebUI

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How does Airflow work? XCom

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How does Airflow work? Components Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? DAG authors change DAGs code Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Users trigger DAGs from WebUI Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Users trigger DAGs from WebUI Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Users trigger DAGs from WebUI Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Users trigger DAGs from WebUI Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Deferrable Operators Traditional Deferrable Ref: https://docs.astronomer.io/learn/deferrable-operators

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How does Airflow work? Deferrable Operators

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How does Airflow work? Deferrable Operators Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Deferrable Operators Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Deferrable Operators Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Deferrable Operators Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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How does Airflow work? Deferrable Operators Web Server Metadata Database Scheduler Triggerer Worker DAG Processor

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Dataset Data-aware scheduling

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Taskflow a cleaner way to write DAG

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Upcoming things

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Hybrid Execution

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DAG Versioning (?)

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Astronomer products

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Deprecating

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Deprecating (?)

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Ask-Astro

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Ask-Astro Slack bot in Airflow slack

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astronomer-cosmos

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astro-cli

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astro-cli $ astro dev start

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Astronomer Click "Get Started Free"!

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Upcoming evens

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Airflow Taipei Meetup March 9th @ Dcard

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Remember I mentioned I'm a ...

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Maintainer of commitizen-tools

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Volunteer of PyCon Taiwan

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BTW we also use Airflow

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Guess who taught us Airflow

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Link to this slide

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