[GitHub] [airflow] jblakeman commented on issue #8484: Airflow 1.10.7+ suppresses Operator logs

[GitBox <gi...@apache.org>]

jblakeman commented on issue #8484:
URL: https://github.com/apache/airflow/issues/8484#issuecomment-630315582


   Had a chance to look through #6627 and I could be mistaken but it seems like using `os._exit` in the forked child process without first flushing stdio buffers could be a factor here: https://github.com/apache/airflow/blob/8465d66f05baeb73dd4479b019515c069444616e/airflow/task/task_runner/standard_task_runner.py#L80-L84
   
   From the [python docs](https://docs.python.org/3/library/os.html#os._exit):
   
   >Exit the process with status n, without calling cleanup handlers, flushing stdio buffers, etc.
   
   Perhaps what's in order is a `flush()` of stdout, stderr before calling `os._exit`?


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