Can you test your DAG with 1.10.13rc1, it contains some performance improvements that should take care of it.
You can install it as follows: *pip install apache-airflow==1.10.13rc1* Regards, Kaxil On Tue, Nov 24, 2020 at 3:57 AM lunbingli <[email protected]> wrote: > Recently I have my airflow upgraded from 1.10.10 to 1.10.12 and find my > dags are scheduled much slower than before. One of my dag is as > follows（please check attachment） and it has 400 Tasks of DummyOperator.* > It took only 4+mins with 1.10.10 while it took more than 16mins with > 1.10.12.* > *Can someone tell me what the problem may be？*I tried to compare the code > diff between these two versions with > https://github.com/apache/airflow/compare/1.10.10...1.10.12 > <https://github.com/apache/airflow/discussions/url> and failed to draw a > conclusion yet. > > > >
