mis98zb commented on code in PR #32122:
URL: https://github.com/apache/airflow/pull/32122#discussion_r1262209457
##########
airflow/jobs/scheduler_job_runner.py:
##########
@@ -277,9 +284,44 @@ def __get_concurrency_maps(self, states:
Iterable[TaskInstanceState], session: S
.where(TI.state.in_(states))
.group_by(TI.task_id, TI.run_id, TI.dag_id)
)
- return ConcurrencyMap.from_concurrency_map(
- {(dag_id, run_id, task_id): count for task_id, run_id, dag_id,
count in ti_concurrency_query}
+ ti_concurrency = {
+ (dag_id, run_id, task_id): count for task_id, run_id, dag_id,
count in ti_concurrency_query
+ }
+
+ tg_concurrency_query: list[tuple[str, str, str, str, int]] = (
+ session.query(TI.task_id, TI.run_id, TI.dag_id, TI.map_index)
+ .filter(
+ TI.state.in_(
+ [
+ State.SCHEDULED,
+ State.QUEUED,
+ State.RUNNING,
+ State.UP_FOR_RESCHEDULE,
+ State.UP_FOR_RETRY,
+ ]
+ )
+ )
+ .filter(TI.map_index >= 0)
+ .order_by(TI.dag_id, TI.run_id, TI.map_index)
)
+ tg_concurrency: dict[tuple[str, str, str], tuple[int, set[int]]] =
dict()
+ for (task_id, run_id, dag_id, map_index) in tg_concurrency_query:
+ dag = self.dagbag.get_dag(dag_id, session)
+ task = dag.get_task(task_id) if dag else None
+ if task and task.task_group and
task.task_group.max_active_groups_per_dagrun is not None:
+ group_id = task.task_group.group_id
+ key = (dag_id, run_id, group_id)
+ if key not in tg_concurrency:
+ tg_concurrency[key] =
(task.task_group.max_active_groups_per_dagrun, set())
Review Comment:
For the first time add a item, it need to set `concurrency limitation` with
`task.task_group.max_active_groups_per_dagrun`.
The defaultdict seems cannot set it automatically...
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