hterik commented on a change in pull request #20806:
URL: https://github.com/apache/airflow/pull/20806#discussion_r782007176



##########
File path: airflow/executors/kubernetes_executor.py
##########
@@ -599,6 +608,9 @@ def sync(self) -> None:
         for _ in range(self.kube_config.worker_pods_creation_batch_size):
             try:
                 task = self.task_queue.get_nowait()
+                if datetime.utcnow() < task.next_allowed_retry:
+                    continue

Review comment:
       Not sure how this will work together with the 
self.event_scheduler.run(blocking=False) on line 646 below. Will it keep 
looping very fast as long as the queue has items or is there some other delay 
built in here?

##########
File path: airflow/executors/kubernetes_executor.py
##########
@@ -50,8 +50,17 @@
 from airflow.utils.session import provide_session
 from airflow.utils.state import State
 
-# TaskInstance key, command, configuration, pod_template_file
-KubernetesJobType = Tuple[TaskInstanceKey, CommandType, Any, Optional[str]]
+
+class KubernetesJobType(NamedTuple):
+    key: TaskInstanceKey
+    command: CommandType
+    config: Any
+    pod_template_file: Optional[str]
+    next_allowed_retry: datetime
+    retry_count: int
+
+
+RETRY_BACKOFF_SECONDS = [1, 2, 5, 10, 10, 30, 60, 60]

Review comment:
       Are these numbers reasonable? Or should it continue longer?




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