[jira] [Created] (AIRFLOW-1077) Subdags can deadlock

[Alex Guziel (JIRA)]

Alex Guziel created AIRFLOW-1077:
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             Summary: Subdags can deadlock
                 Key: AIRFLOW-1077
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1077
             Project: Apache Airflow
          Issue Type: Bug
            Reporter: Alex Guziel


Given a concurrency of n, if all n running tasks are Subdags, the subdags block 
any of their tasks from executing, leading to deadlock



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