potiuk commented on a change in pull request #16926:
URL: https://github.com/apache/airflow/pull/16926#discussion_r667464048
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File path: docs/apache-airflow/best-practices.rst
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@@ -109,6 +109,9 @@ or if you need to deserialize a json object from the
variable :
{{ var.json.<variable_name> }}
+Alternative option is to read from the environment variables in the top level
python code instead of airflow variables.
+This will avoid new connections to airflow metadata DB everytime Airflow
parses the python file.
+
Review comment:
I think it's pretty understandable :D and it is right after, so I think
I am happy with the way how it is now.
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