[GitHub] [airflow] potiuk commented on a diff in pull request #30259: Add a cache to `Variable` and `Connection` when called at dag parsing time

["potiuk (via GitHub)" <gi...@apache.org>]

potiuk commented on code in PR #30259:
URL: https://github.com/apache/airflow/pull/30259#discussion_r1290091504


##########
airflow/config_templates/config.yml:
##########
@@ -1090,6 +1090,31 @@ secrets:
       sensitive: true
       example: ~
       default: ""
+    use_cache:
+      description: |
+        .. note:: |experimental|
+
+        Enables local caching of Variables, when parsing DAGs only.
+        Using this option can make dag parsing faster if Variables are used in top level code, at the expense
+        of longer propagation time for changes.
+        Please note that this cache concerns only the DAG parsing step. There is no caching in place when DAG
+        tasks are run.
+      version_added: 2.6.0

Review Comment:
   ```suggestion
         version_added: 2.7.0
   ```



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