ashb commented on a change in pull request #6732: fixes scheduler queue bug
URL: https://github.com/apache/airflow/pull/6732#discussion_r354236425
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File path: tests/executors/test_executor.py
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@@ -55,9 +55,11 @@ def sort_by(item):
(_, prio, _, _) = val
# Sort by priority (DESC), then date,task, try
return -prio, date, dag_id, task_id, try_number
- sorted_queue = sorted(self.queued_tasks.items(), key=sort_by)
- for (key, (_, _, _, simple_ti)) in sorted_queue:
+ open_slots = self.parallelism - len(self.running)
+ sorted_queue = sorted(self.queued_tasks.items(), key=sort_by)
+ for _ in range(min((open_slots, len(sorted_queue)))):
+ (key, (_, _, _, simple_ti)) = sorted_queue.pop()
Review comment:
This change is just to make the test executor behave more like the other
ones that have limited parallelism right?
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