bolkedebruin commented on issue #6627: [AIRFLOW-5931] Use os.fork when appropriate to speed up task execution. URL: https://github.com/apache/airflow/pull/6627#issuecomment-557300526 Aside from from this performance enhancement I think a much bigger gain can be gotten from removing the raw task excecution. Ie. the process is now as follows Executor -> Task -> Rawtask. Which doesn't make sense. It should just be Executor -> Task. Ideally the task would then signal to the executor what its state is rather than setting its own state, which is either undeterministic (in case of a crash of the task) and insecure (it requires airflow db access by the task which is available to all operators)
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