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From GitBox <...@apache.org>
Subject [GitHub] [airflow] houqp commented on a change in pull request #6342: [AIRFLOW-5662] fix incorrect naming for scheduler used slot metric
Date Wed, 16 Oct 2019 17:41:32 GMT
houqp commented on a change in pull request #6342: [AIRFLOW-5662] fix incorrect naming for
scheduler used slot metric
URL: https://github.com/apache/airflow/pull/6342#discussion_r335617211
 
 

 ##########
 File path: airflow/models/pool.py
 ##########
 @@ -107,3 +109,33 @@ def open_slots(self, session):
         Returns the number of slots open at the moment
         """
         return self.slots - self.occupied_slots(session)
+
+    @provide_session
+    def slots_stats(self, session) -> Dict:
+        from airflow.models.taskinstance import TaskInstance  # Avoid circular import
+
+        states_filter = STATES_TO_COUNT_AS_RUNNING | frozenset([State.RUNNING, State.QUEUED])
 
 Review comment:
   It is, this is to safe guard future changes that will add or remove states from `STATE_TO_COUNT_AS_RUNNING`
set. The naming of that variable doesn't seem to guarantee it will only contain queued and
running going forward. I can certainly remove this safe guard code if that's not the case.

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