ewjmulder edited a comment on issue #6627: [AIRFLOW-5931] Use os.fork when appropriate to speed up task execution. URL: https://github.com/apache/airflow/pull/6627#issuecomment-597612903 @pkqs90 We experienced a similar issue after upgrading from 1.10.3 to 1.10.9: no more task logging visible in the UI. In our case it was specifically for the KubernetesPodOperator, but not for the BashOperator for instance. We fixed it by adding a logger for the `airflow.contrib` package, since the KubernetesPodOperator lives there. So if the operator you're missing logs from is also from the contrib package, you can try this fix to see if it re-appears. My guess is that the combination of forking instead of starting a whole new process + having no specific logger for the package triggered this particular issue. Hope it solves it for you too.
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