kosiew commented on code in PR #68017:
URL: https://github.com/apache/airflow/pull/68017#discussion_r3519275764


##########
providers/databricks/docs/operators/run_now.rst:
##########
@@ -80,3 +80,41 @@ DatabricksRunNowDeferrableOperator
 Deferrable version of the 
:class:`~airflow.providers.databricks.operators.DatabricksRunNowOperator` 
operator.
 
 It allows to utilize Airflow workers more effectively using `new functionality 
introduced in Airflow 2.2.0 
<https://airflow.apache.org/docs/apache-airflow/2.2.0/concepts/deferring.html#triggering-deferral>`_
+
+.. _howto/operator:DatabricksRunNowDeferrableOperator:retry-args:
+
+Retry args in deferrable mode
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+When ``deferrable=True``, the ``databricks_retry_args`` dictionary is 
serialized across the
+trigger boundary and must contain only Airflow-serializable values (plain 
Python primitives
+such as ``int``, ``float``, ``str``, ``bool``, ``None``, ``dict``, and 
``list``).
+
+**Supported** (serialization-safe and runtime-valid):
+
+.. code-block:: python
+
+    # Only plain-primitive Retrying kwarg: reraise
+    databricks_retry_args = {"reraise": True}
+
+For controlling attempt count and delay, prefer the dedicated operator
+parameters ``retry_limit`` and ``retry_delay`` rather than
+``databricks_retry_args``. Custom tenacity strategy objects (``stop``,
+``wait``, ``retry``, ``before``, ``after``, etc.) require tenacity
+callable objects, which are not serialization-safe in deferrable mode.
+
+**Not supported** in deferrable mode (will raise ``ValueError`` at task 
submission):

Review Comment:
   Implemented in `run_now.rst`; also mirrored in `submit_run.rst`. |



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