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From Ken Edwards <>
Subject Complex Dag Runs Getting Stuck: Tasks Not Transitioning on Success
Date Thu, 12 Jan 2017 00:09:56 GMT
I've successfully been using Airflow the past few months to run relatively
simple dags on a regular cadence. However, I've run into stability issues
with more complex workflows that consist of parent/child dags, some of
which may contain hundreds of tasks. The most common symptom is that state
transitions do not always happen even though the previous task succeeds,
requiring human monitoring/prodding when it gets stuck.

I would appreciate any advice on the things to look at to debug this or
common causes for this.

Thank you,

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