[ https://issues.apache.org/jira/browse/AIRFLOW-6799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Soeren Laursen updated AIRFLOW-6799: ------------------------------------ Component/s: ui > webgui cannot display all tasks > ------------------------------- > > Key: AIRFLOW-6799 > URL: https://issues.apache.org/jira/browse/AIRFLOW-6799 > Project: Apache Airflow > Issue Type: Bug > Components: ui, webserver > Affects Versions: 1.10.7, 1.10.9 > Environment: linux in a docker container. > Reporter: Soeren Laursen > Priority: Blocker > > The we have "to many" task the graph rendering stops with an > Edge 'undefined' is not in graph javascript error, > There is no graph in the webgui. Lowering the number of task will enable the > the rendering again. > Examplecode: > from airflow import DAG > from airflow.models import DAG > from airflow.operators.dummy_operator import DummyOperator > from datetime import datetime > from datetime import timedelta > DAG_task_concurrency = 30 > DAG_max_active_runs = 10 > MAIN_DAG_ID = 'BUG_IN_GRAPH_DISPLAY' > default_args = { > 'owner':'prod', > 'depends_on_past':False, > 'email':['s...@fcoo.dk'], > 'email_on_failure':False, > 'email_on_retry':False, > 'retries':3, > 'retry_delay':timedelta(seconds=30), > 'queue':'default'} > BUG_DAG = DAG(MAIN_DAG_ID, > default_args=default_args, > catchup=False, > orientation='LR', > concurrency=DAG_task_concurrency, > schedule_interval='@once', > max_active_runs=DAG_max_active_runs, > start_date=(datetime(2020, 2, 5)) > ) > # To many tasks > max_task = 160 > # 156 ok > task_range = list(range(0, max_task + 1)) > start_task = DummyOperator(task_id='start_task', dag=BUG_DAG) > after_all_complete = DummyOperator(task_id='after_all_complete', dag=BUG_DAG) > for task_step in task_range: > task1 = DummyOperator(task_id='task_{0}'.format(task_step),dag=BUG_DAG) > start_task >> task1 >> after_all_complete -- This message was sent by Atlassian Jira (v8.3.4#803005)