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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2019/11/02 07:18:22 UTC

[GitHub] [airflow] yuqian90 commented on issue #5498: [AIRFLOW-4509] SubDagOperator using scheduler instead of backfill

yuqian90 commented on issue #5498: [AIRFLOW-4509] SubDagOperator using scheduler instead of backfill
URL: https://github.com/apache/airflow/pull/5498#issuecomment-549018419
 
 
   There's a lot of suggestions on the internet against using `SubDagOperator` because of deadlocking and then performance issue due to its use of `SequentialExecutor` by default.
   Looks like this PR is meant to address those concerns. But from what I can see this change was not released in 1.10.6. 
   Is it safe to take the `SubDagOperator` in this PR and use it as a custom operator with Airflow 1.10.6 so that the operator can be used with `CeleryExecutor` without causing deadlocks?

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