potiuk commented on a change in pull request #11541:
URL: https://github.com/apache/airflow/pull/11541#discussion_r507187754
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File path: CI.rst
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@@ -629,6 +628,86 @@ delete old artifacts that are > 7 days old. It only runs
for the 'apache/airflow
We also have a script that can help to clean-up the old artifacts:
`remove_artifacts.sh <dev/remove_artifacts.sh>`_
+Selective CI Checks
+===================
+
+In order to optimise our CI builds, we've implemented optimisations to only
run selected checks for some
+kind of changes. The logic implemented reflects the internal architecture of
Airflow 2.0 packages
+and it is helps to keep down both the usage of jobs in GitHub Actions as well
as CI feedback time to
+contributors in case of simpler changes.
+
+We have the following test types (separated by packages in which they are):
+
+* Core - for the core Airflow functionality (core folder)
+* API - Tests for the API of Airflow (api and api_connexion folders)
+* CLI - Tests for the CLI of Airflow (cli folder)
+* WWW - Tests for the webserver of Airflow (www and www_rbac in 1.10 folders)
+* Providers - Tests for all Providers of Airflow (providers folder)
+* Other - all other tests (all other folders that are not part of any of the
above)
Review comment:
I've added a short chapter about it.
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