def print_stats(self):
        """
        Print operational metrics for the scheduler test.
        """
        session = settings.Session()
        TI = TaskInstance
        tis = (
            session
            .query(TI)
            .filter(TI.dag_id.in_(DAG_IDS))
            .all()
        )
        successful_tis = [x for x in tis if x.state == State.SUCCESS]
        ti_perf = [(ti.dag_id, ti.task_id, ti.execution_date,
                    (ti.queued_dttm - self.start_date).total_seconds(),
                    (ti.start_date - self.start_date).total_seconds(),
                    (ti.end_date - self.start_date).total_seconds(),
                    ti.duration) for ti in successful_tis]
        ti_perf_df = pd.DataFrame(ti_perf, columns=['dag_id', 'task_id',
                                                    'execution_date',
                                                    'queue_delay',
                                                    'start_delay', 'land_time',
                                                    'duration'])

        print('Performance Results')
        print('###################')
        for dag_id in DAG_IDS:
            print('DAG {}'.format(dag_id))
            print(ti_perf_df[ti_perf_df['dag_id'] == dag_id])
        print('###################')
        if len(tis) > len(successful_tis):
            print("WARNING!! The following task instances haven't completed")
            print(pd.DataFrame([(ti.dag_id, ti.task_id, ti.execution_date, ti.state)
                  for ti in filter(lambda x: x.state != State.SUCCESS, tis)],
                  columns=['dag_id', 'task_id', 'execution_date', 'state']))

        session.commit()
def print_stats(self):
        
        session = settings.Session()
        TI = TaskInstance
        tis = (
            session
            .query(TI)
            .filter(TI.dag_id.in_(DAG_IDS))
            .all()
        )
        successful_tis = [x for x in tis if x.state == State.SUCCESS]
        ti_perf = [(ti.dag_id, ti.task_id, ti.execution_date,
                    (ti.queued_dttm - self.start_date).total_seconds(),
                    (ti.start_date - self.start_date).total_seconds(),
                    (ti.end_date - self.start_date).total_seconds(),
                    ti.duration) for ti in successful_tis]
        ti_perf_df = pd.DataFrame(ti_perf, columns=['dag_id', 'task_id',
                                                    'execution_date',
                                                    'queue_delay',
                                                    'start_delay', 'land_time',
                                                    'duration'])

        print('Performance Results')
        print('
        for dag_id in DAG_IDS:
            print('DAG {}'.format(dag_id))
            print(ti_perf_df[ti_perf_df['dag_id'] == dag_id])
        print('
        if len(tis) > len(successful_tis):
            print("WARNING!! The following task instances haven't completed")
            print(pd.DataFrame([(ti.dag_id, ti.task_id, ti.execution_date, ti.state)
                  for ti in filter(lambda x: x.state != State.SUCCESS, tis)],
                  columns=['dag_id', 'task_id', 'execution_date', 'state']))

        session.commit()
def print_stats ( self ) : session = settings . Session ( ) TI = TaskInstance tis = ( session . query ( TI ) . filter ( TI . dag_id . in_ ( DAG_IDS ) ) . all ( ) ) successful_tis = [ x for x in tis if x . state == State . SUCCESS ] ti_perf = [ ( ti . dag_id , ti . task_id , ti . execution_date , ( ti . queued_dttm - self . start_date ) . total_seconds ( ) , ( ti . start_date - self . start_date ) . total_seconds ( ) , ( ti . end_date - self . start_date ) . total_seconds ( ) , ti . duration ) for ti in successful_tis ] ti_perf_df = pd . DataFrame ( ti_perf , columns = [ 'dag_id' , 'task_id' , 'execution_date' , 'queue_delay' , 'start_delay' , 'land_time' , 'duration' ] ) print ( 'Performance Results' ) print ( '###################' ) for dag_id in DAG_IDS : print ( 'DAG {}' . format ( dag_id ) ) print ( ti_perf_df [ ti_perf_df [ 'dag_id' ] == dag_id ] ) print ( '###################' ) if len ( tis ) > len ( successful_tis ) : print ( "WARNING!! The following task instances haven't completed" ) print ( pd . DataFrame ( [ ( ti . dag_id , ti . task_id , ti . execution_date , ti . state ) for ti in filter ( lambda x : x . state != State . SUCCESS , tis ) ] , columns = [ 'dag_id' , 'task_id' , 'execution_date' , 'state' ] ) ) session . commit ( )
Print operational metrics for the scheduler test.
Print operational metrics for the scheduler test .