Airflow Interview Questions For Freshers

Explain the use of XComs in Airflow.

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Explain the concept of DAG (Directed Acyclic Graph) in Airflow.

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What are the main components of Airflow?

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How does Airflow handle task dependencies?

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What is a task in Airflow?

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Explain the role of Airflow Scheduler.

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How do you define a DAG in Airflow?

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What are the different types of operators available in Airflow?

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How do you handle time zones in Airflow?

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What is the purpose of the Airflow web server?

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How can you trigger a DAG manually in Airflow?

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What is the purpose of the Airflow CLI?

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What is an Airflow variable?

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What is Airflow?

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What is the purpose of the Airflow logs?

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How do you handle retries in Airflow?

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What is the purpose of the Airflow metadata database?

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Explain what role CeleryExecutor plays in Airflow architecture.

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Airflow Intermediate Interview Questions

What are the benefits of using Airflow over cron jobs?

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How can you handle task backfills in Airflow?

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What is the purpose of the Airflow REST API?

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What is the purpose of the Airflow UI?

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How can you define dependencies between DAGs in Airflow?

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Explain the process of upgrading Airflow to a new version.

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What is the purpose of the Airflow Connections feature?

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Explain how you can handle dynamic task generation in Airflow.

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Explain how you can trigger a downstream task from an upstream task in Airflow.

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What is the purpose of a sensor in Airflow?

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How do you create custom operators in Airflow?

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Explain the concept of SubDAGs in Airflow.

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How do you handle data partitioning in Airflow?

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What is the role of hooks in Airflow?

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How does task grouping work in Airflow?

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What is the purpose of macros in Airflow?

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How do you handle task scheduling conflicts in Airflow?

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Airflow Interview Questions For Experienced

How does Airflow handle task failures and retries in distributed environments?

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How can you monitor the performance of Airflow Scheduler?

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What are some best practices for optimizing Airflow DAGs?

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How can you scale Airflow for large-scale deployments?

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Explain the concept of task rescheduling in Airflow.

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What are some common performance bottlenecks in Airflow?

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How do you handle data encryption and security in Airflow?

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Explain the role of Executor in Airflow architecture.

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How can you achieve high availability in Airflow?

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What is the purpose of Airflow's Variable and Connection pools?

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Explain how you can implement custom authentication and authorization in Airflow.

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What are some strategies for handling data partitioning and shuffling in Airflow?

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How can you optimize the performance of Airflow's web server?

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Explain the process of creating custom plugins in Airflow.

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What are some strategies for monitoring and alerting in Airflow?

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How can you implement task timeouts in Airflow?

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Explain how you can parallelize task execution in Airflow.

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