To activate your new backend, expose it to Airflow via an environment variable or edit your airflow.cfg .
@task def generate_token(): return "secret_api_token_123" @task def fetch_records(api_token: str): # This task exclusively receives the token print(f"Using token: api_token") # Explicit, exclusive pipeline linkage token = generate_token() fetch_records(token) Use code with caution. Traditional Operators: Strict Filtering by Task ID airflow xcom exclusive
For more control, you can interact with the current task context directly. Airflow exposes the task_instance object (often abbreviated as ti or task_instance ) within the execution context template. To activate your new backend, expose it to
Even with a custom backend, you'll need to scale other Airflow components (workers, schedulers) to handle large data volumes effectively. To activate your new backend
This default behavior introduces three major operational anti-patterns: