[GitHub] [airflow] Fokko commented on a change in pull request #4927: [AIRFLOW-4106] instrument starving tasks in pool

[GitBox <gi...@apache.org>]

Fokko commented on a change in pull request #4927: [AIRFLOW-4106] instrument starving tasks in pool
URL: https://github.com/apache/airflow/pull/4927#discussion_r266258196
 
 

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 File path: airflow/jobs.py
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 @@ -1143,13 +1145,16 @@ def _find_executable_task_instances(self, simple_dag_bag, states, session=None):
             # DAG IDs with running tasks that equal the concurrency limit of the dag
             dag_id_to_possibly_running_task_count = {}
 
-            for task_instance in priority_sorted_task_instances:
+            # Number of tasks that cannot be scheduled because of no open slot in pool
+            num_starved_tasks = 0
+            for i, task_instance in enumerate(priority_sorted_task_instances):
 
 Review comment:
   Can we make this variable name a bit more meaningful?

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