NielsZeilemaker commented on issue #4322: [AIRFLOW-3518] Performance fixes for topological_sort URL: https://github.com/apache/incubator-airflow/pull/4322#issuecomment-447553072 @feng-tao that's correct, i've modified the condition to check for `task_id` and in the other equality check to check for `dag_id` as a performance optimization. The original check (using `self._comps`) is still there. During our performance test we saw a lot of calls to both `__eq__` methods, and hence the small modification to make them perform better.
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