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Posted to commits@airflow.apache.org by "Li Xuanji (JIRA)" <ji...@apache.org> on 2016/08/13 23:39:20 UTC

[jira] [Created] (AIRFLOW-428) Scheduler restart (via SIGKILL) leaves orphaned celery and airflow run processes

Li Xuanji created AIRFLOW-428:
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             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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