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new 9ae1875a19a Clarify docs on max_active_tasks parameter on a Dag
(#63217)
9ae1875a19a is described below
commit 9ae1875a19a84d8f55948dd85c872ee89ce86036
Author: Jens Scheffler <[email protected]>
AuthorDate: Mon Mar 9 22:46:49 2026 +0100
Clarify docs on max_active_tasks parameter on a Dag (#63217)
---
task-sdk/src/airflow/sdk/definitions/dag.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/task-sdk/src/airflow/sdk/definitions/dag.py
b/task-sdk/src/airflow/sdk/definitions/dag.py
index 8670800c162..94e447e37a5 100644
--- a/task-sdk/src/airflow/sdk/definitions/dag.py
+++ b/task-sdk/src/airflow/sdk/definitions/dag.py
@@ -362,7 +362,7 @@ class DAG:
accessible in templates, namespaced under `params`. These
params can be overridden at the task level.
:param max_active_tasks: the number of task instances allowed to run
- concurrently
+ concurrently per Dag run. Note that in Airflow 2 this was a global
limit on the Dag, since Airflow 3 it is per run.
:param max_active_runs: maximum number of active DAG runs, beyond this
number of DAG runs in a running state, the scheduler won't create
new active DAG runs
