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From lunbingli <>
Subject Why is Airflow 1.10.12 much slower than 1.10.10?
Date Tue, 24 Nov 2020 03:57:08 GMT
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 and failed to
draw a conclusion yet.
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