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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/03/27 23:16:50 UTC

[GitHub] [airflow] dimberman opened a new issue #7926: Kill task instances that haven't been able to heartbeat for a while

dimberman opened a new issue #7926: Kill task instances that haven't been able to heartbeat for a while
URL: https://github.com/apache/airflow/issues/7926
 
 
   
   
   **Description**
   
   A task run by the LocalTaskJob periodically updates a timestamp to indicate that the task is still alive and running. If the task is unable to update this timestamp for a long time (for example, due to DB connection errors), the scheduler may reschedule the task to run again. In such a case, it's possible that two instances of the task are running. The task can monitor the time since last heartbeat and kill itself to prevent such cases.
   
   **Use case / motivation**
   
   **Related Issues**
   
   Moved here from https://issues.apache.org/jira/browse/AIRFLOW-374

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