Task Triggers and Failures
This lesson explains how the trigger behavior of tasks changes with the different settings for the trigger_rule parameter. Additionally, the lesson also covers unexpected task failures.
We'll cover the following...
We'll cover the following...
Tasks get triggered when tasks upstream to them succeed. This is the default trigger behavior for tasks, but there are different variations that Airflow offers. Consider the following workflow:
DAG of Example11
In the workflow above, task5 has the trigger_rule set to all_success by ...