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From "Li Xuanji (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AIRFLOW-428) Scheduler restart (via SIGKILL) leaves orphaned celery and airflow run processes
Date Sat, 13 Aug 2016 23:39:20 GMT
Li Xuanji created AIRFLOW-428:
---------------------------------

             Summary: Scheduler restart (via SIGKILL) leaves orphaned celery and airflow run
processes
                 Key: AIRFLOW-428
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-428
             Project: Apache Airflow
          Issue Type: Bug
            Reporter: Li Xuanji


Airflow worker currently becomes a celery process. Sending a SIGTERM to it performs a warm
shutdown which waits for tasks to exit. We use runit which will send a SIGKILL after some
time passes; the SIGKILL causes the airflow run commands to be orphaned (parented onto PID
1 init, celery does not know about them).



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