The scheduler does not appear to be running. Last heartbeat was received .

The DAGs list may not update, and new tasks will not be scheduled.

Logs

Reset Filters
Id Dttm Dag Id Task Id Event Execution Date Owner Extra
1113799 10-28T06:56:16.475998+00:00 test_01 graph 2024-06-04T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-04T01:00:00+00:00'), ('root', 'O1')]
1113798 10-28T06:56:16.379581+00:00 test_01 graph 2024-06-08T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-08T10:00:00+00:00'), ('root', 'O1')]
1113797 10-28T06:56:16.275476+00:00 test_01 O1 log 2024-06-11T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-11T01:00:00+00:00'), ('task_id', 'O1')]
1113796 10-28T06:56:16.177283+00:00 test_01 graph 2024-06-19T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-19T01:00:00+00:00'), ('root', 'O1')]
1113795 10-28T06:56:16.069384+00:00 test_01 graph 2024-07-09T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-09T10:00:00+00:00'), ('root', 'O1')]
1113794 10-28T06:56:15.968151+00:00 test_01 graph 2024-06-23T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-23T01:00:00+00:00'), ('root', 'O1')]
1113793 10-28T06:56:15.874220+00:00 test_01 graph 2024-06-08T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-08T01:00:00+00:00'), ('root', 'O1')]
1113792 10-28T06:56:15.771701+00:00 test_01 graph 2024-07-09T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-09T01:00:00+00:00'), ('root', 'O1')]
1113791 10-28T06:56:15.666551+00:00 test_01 graph 2024-06-22T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-22T10:00:00+00:00'), ('root', 'O1')]
1113790 10-28T06:56:15.575362+00:00 test_01 O1 log 2024-06-28T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-28T10:00:00+00:00'), ('task_id', 'O1')]
1113789 10-28T06:56:15.468205+00:00 test_01 O1 log 2024-06-21T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-21T10:00:00+00:00'), ('task_id', 'O1')]
1113788 10-28T06:56:15.368007+00:00 test_01 O1 log 2024-06-27T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-27T10:00:00+00:00'), ('task_id', 'O1')]
1113787 10-28T06:56:15.261173+00:00 test_01 graph 2024-06-22T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-22T01:00:00+00:00'), ('root', 'O1')]
1113786 10-28T06:56:15.164177+00:00 test_01 O1 log 2024-06-28T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-28T01:00:00+00:00'), ('task_id', 'O1')]
1113785 10-28T06:56:15.072145+00:00 test_01 O1 log 2024-06-21T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-21T01:00:00+00:00'), ('task_id', 'O1')]
1113784 10-28T06:56:15.013355+00:00 test_01 O1 log 2024-06-17T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-17T10:00:00+00:00'), ('task_id', 'O1')]
1113783 10-28T06:56:14.964430+00:00 test_01 O1 log 2024-06-27T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-27T01:00:00+00:00'), ('task_id', 'O1')]
1113782 10-28T06:56:14.909327+00:00 test_01 O1 log 2024-07-13T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-13T10:00:00+00:00'), ('task_id', 'O1')]
1113781 10-28T06:56:14.861721+00:00 test_01 graph 2024-06-13T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-13T10:00:00+00:00'), ('root', 'O1')]
1113780 10-28T06:56:14.812540+00:00 test_01 O1 log 2024-07-13T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-13T01:00:00+00:00'), ('task_id', 'O1')]
1113779 10-28T06:56:14.590580+00:00 test_01 O1 log 2024-06-17T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-17T01:00:00+00:00'), ('task_id', 'O1')]
1113778 10-28T06:56:14.343272+00:00 test_01 O1 log 2024-06-15T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-15T10:00:00+00:00'), ('task_id', 'O1')]
1113777 10-28T06:56:14.197536+00:00 test_01 O1 log 2024-07-14T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-14T10:00:00+00:00'), ('task_id', 'O1')]
1113775 10-28T06:55:42.174784+00:00 test_01 graph 2024-07-15T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-15T10:00:00+00:00'), ('root', 'O1')]
1113774 10-28T06:55:42.071460+00:00 test_01 O1 log 2024-05-31T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-31T01:00:00+00:00'), ('task_id', 'O1')]
1113773 10-28T06:55:41.974379+00:00 test_01 graph 2024-07-15T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-15T01:00:00+00:00'), ('root', 'O1')]
1113772 10-28T06:55:41.873600+00:00 test_01 graph 2024-07-17T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-17T01:00:00+00:00'), ('root', 'O1')]
1113771 10-28T06:55:41.797235+00:00 test_01 O1 log 2024-06-20T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-20T10:00:00+00:00'), ('task_id', 'O1')]
1113770 10-28T06:55:41.669982+00:00 test_01 O1 log 2024-06-20T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-20T01:00:00+00:00'), ('task_id', 'O1')]
1113769 10-28T06:55:41.579544+00:00 test_01 graph 2021-11-18T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2021-11-18T01:00:00+00:00'), ('root', 'O1')]
1113768 10-28T06:55:41.472115+00:00 test_01 graph 2024-05-31T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-31T10:00:00+00:00'), ('root', 'O1')]
1113767 10-28T06:55:41.408351+00:00 test_01 graph 2024-05-31T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-31T01:00:00+00:00'), ('root', 'O1')]
1113766 10-28T06:55:41.260017+00:00 test_01 graph 2024-06-20T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-20T10:00:00+00:00'), ('root', 'O1')]
1113765 10-28T06:55:41.163976+00:00 test_01 graph 2024-06-20T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-20T01:00:00+00:00'), ('root', 'O1')]
1113722 10-28T06:54:10.859935+00:00 test_01 graph 2024-06-13T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-13T01:00:00+00:00'), ('root', 'O1')]
1113721 10-28T06:54:10.726503+00:00 test_01 O1 log 2024-06-15T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-15T01:00:00+00:00'), ('task_id', 'O1')]
1113720 10-28T06:54:10.627770+00:00 test_01 O1 log 2024-07-14T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-14T01:00:00+00:00'), ('task_id', 'O1')]
1113719 10-28T06:54:10.524792+00:00 test_01 O1 log 2024-07-10T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-10T10:00:00+00:00'), ('task_id', 'O1')]
1113718 10-28T06:54:10.425690+00:00 test_01 O1 log 2024-07-06T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-06T10:00:00+00:00'), ('task_id', 'O1')]
1113717 10-28T06:54:10.326804+00:00 test_01 O1 log 2024-07-10T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-10T01:00:00+00:00'), ('task_id', 'O1')]
1113716 10-28T06:54:10.228723+00:00 test_01 graph 2024-06-14T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-14T10:00:00+00:00'), ('root', 'O1')]
1113715 10-28T06:54:10.119826+00:00 test_01 O1 log 2024-07-06T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-06T01:00:00+00:00'), ('task_id', 'O1')]
1113714 10-28T06:54:10.017351+00:00 test_01 O1 log 2024-07-11T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-11T10:00:00+00:00'), ('task_id', 'O1')]
1113713 10-28T06:54:09.962132+00:00 test_01 graph 2024-07-04T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-04T10:00:00+00:00'), ('root', 'O1')]
1113712 10-28T06:54:09.818589+00:00 test_01 graph 2024-06-10T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-10T10:00:00+00:00'), ('root', 'O1')]
1113711 10-28T06:54:09.719510+00:00 test_01 O1 log 2024-07-11T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-11T01:00:00+00:00'), ('task_id', 'O1')]
1113710 10-28T06:54:09.618346+00:00 test_01 graph 2024-06-14T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-14T01:00:00+00:00'), ('root', 'O1')]
1113709 10-28T06:54:09.517294+00:00 test_01 graph 2024-06-11T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-11T10:00:00+00:00'), ('root', 'O1')]
1113708 10-28T06:54:09.412164+00:00 test_01 graph 2024-07-08T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-08T10:00:00+00:00'), ('root', 'O1')]
1113707 10-28T06:54:09.309320+00:00 test_01 graph 2024-07-04T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-04T01:00:00+00:00'), ('root', 'O1')]
1113706 10-28T06:54:09.218334+00:00 test_01 O1 log 2024-06-26T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-26T10:00:00+00:00'), ('task_id', 'O1')]
1113705 10-28T06:54:09.113667+00:00 test_01 graph 2024-06-10T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-10T01:00:00+00:00'), ('root', 'O1')]
1113704 10-28T06:54:09.006324+00:00 test_01 O1 log 2024-06-26T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-26T01:00:00+00:00'), ('task_id', 'O1')]
1113703 10-28T06:54:08.912801+00:00 test_01 graph 2024-06-11T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-11T01:00:00+00:00'), ('root', 'O1')]
1113702 10-28T06:54:08.805070+00:00 test_01 graph 2024-07-08T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-08T01:00:00+00:00'), ('root', 'O1')]
1113701 10-28T06:54:08.708101+00:00 test_01 graph 2024-06-06T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-06T10:00:00+00:00'), ('root', 'O1')]
1113700 10-28T06:54:08.605831+00:00 test_01 graph 2024-06-06T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-06T01:00:00+00:00'), ('root', 'O1')]
1113699 10-28T06:54:08.519989+00:00 test_01 O1 log 2024-07-17T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-17T10:00:00+00:00'), ('task_id', 'O1')]
1113698 10-28T06:54:08.403523+00:00 test_01 O1 log 2024-07-17T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-17T01:00:00+00:00'), ('task_id', 'O1')]
1113697 10-28T06:54:08.305106+00:00 test_01 graph 2024-06-28T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-28T10:00:00+00:00'), ('root', 'O1')]
1113696 10-28T06:54:08.239300+00:00 test_01 graph 2024-07-13T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-13T10:00:00+00:00'), ('root', 'O1')]
1113695 10-28T06:54:08.096692+00:00 test_01 O1 log 2024-07-15T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-15T10:00:00+00:00'), ('task_id', 'O1')]
1113694 10-28T06:54:07.996867+00:00 test_01 graph 2024-06-21T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-21T10:00:00+00:00'), ('root', 'O1')]
1113693 10-28T06:54:07.925737+00:00 test_01 O1 log 2024-07-15T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-15T01:00:00+00:00'), ('task_id', 'O1')]
1113692 10-28T06:54:07.793501+00:00 test_01 graph 2024-06-27T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-27T10:00:00+00:00'), ('root', 'O1')]
1113691 10-28T06:54:07.696765+00:00 test_01 graph 2024-07-13T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-13T01:00:00+00:00'), ('root', 'O1')]
1113690 10-28T06:54:07.596240+00:00 test_01 graph 2024-06-28T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-28T01:00:00+00:00'), ('root', 'O1')]
1113689 10-28T06:54:07.495451+00:00 test_01 graph 2024-06-21T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-21T01:00:00+00:00'), ('root', 'O1')]
1113688 10-28T06:54:07.393533+00:00 test_01 graph 2024-06-15T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-15T10:00:00+00:00'), ('root', 'O1')]
1113687 10-28T06:54:07.294308+00:00 test_01 graph 2024-06-27T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-27T01:00:00+00:00'), ('root', 'O1')]
1113686 10-28T06:54:07.196898+00:00 test_01 graph 2024-06-17T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-17T10:00:00+00:00'), ('root', 'O1')]
1113685 10-28T06:54:07.093006+00:00 test_01 graph 2024-06-15T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-15T01:00:00+00:00'), ('root', 'O1')]
1113684 10-28T06:54:07.071254+00:00 test_01 graph 2024-07-14T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-14T01:00:00+00:00'), ('root', 'O1')]
1113683 10-28T06:54:07.025333+00:00 test_01 graph 2024-07-11T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-11T10:00:00+00:00'), ('root', 'O1')]
1113682 10-28T06:54:06.995915+00:00 test_01 graph 2024-07-14T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-14T10:00:00+00:00'), ('root', 'O1')]
1113681 10-28T06:54:06.888041+00:00 test_01 graph 2024-06-17T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-17T01:00:00+00:00'), ('root', 'O1')]
1113680 10-28T06:54:06.793301+00:00 test_01 graph 2024-07-10T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-10T10:00:00+00:00'), ('root', 'O1')]
1113679 10-28T06:54:06.755167+00:00 test_01 graph 2024-07-10T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-10T01:00:00+00:00'), ('root', 'O1')]
1113678 10-28T06:54:06.483827+00:00 test_01 graph 2024-07-11T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-11T01:00:00+00:00'), ('root', 'O1')]
1113677 10-28T06:54:06.386750+00:00 test_01 graph 2024-07-06T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-06T10:00:00+00:00'), ('root', 'O1')]
1113676 10-28T06:54:06.255281+00:00 test_01 graph 2024-07-06T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-06T01:00:00+00:00'), ('root', 'O1')]
1113675 10-28T06:54:06.207109+00:00 test_01 graph 2024-06-26T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-26T10:00:00+00:00'), ('root', 'O1')]
1113674 10-28T06:54:06.192221+00:00 test_01 graph 2024-06-26T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-26T01:00:00+00:00'), ('root', 'O1')]
1113673 10-28T06:54:06.077150+00:00 test_01 O1 log 2021-11-18T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2021-11-18T01:00:00+00:00'), ('task_id', 'O1')]
1113672 10-28T06:54:06.075022+00:00 test_01 O1 log 2024-05-31T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-31T10:00:00+00:00'), ('task_id', 'O1')]
1113662 10-28T06:51:58.206134+00:00 test_01 graph 2024-06-12T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-12T01:00:00+00:00'), ('root', 'O1')]
1113661 10-28T06:51:58.104909+00:00 test_01 O1 log 2024-06-09T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-09T01:00:00+00:00'), ('task_id', 'O1')]
1113660 10-28T06:51:58.031241+00:00 test_01 O1 log 2024-05-30T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-30T10:00:00+00:00'), ('task_id', 'O1')]
1113659 10-28T06:51:57.913549+00:00 test_01 O1 log 2024-05-30T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-30T01:00:00+00:00'), ('task_id', 'O1')]
1113658 10-28T06:51:57.801429+00:00 test_01 graph 2024-05-29T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-29T10:00:00+00:00'), ('root', 'O1')]
1113657 10-28T06:51:57.724786+00:00 test_01 O1 log 2024-06-24T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-24T10:00:00+00:00'), ('task_id', 'O1')]
1113656 10-28T06:51:57.601725+00:00 test_01 O1 log 2024-06-24T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-24T01:00:00+00:00'), ('task_id', 'O1')]
1113655 10-28T06:51:57.501159+00:00 test_01 graph 2024-06-07T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-07T10:00:00+00:00'), ('root', 'O1')]
1113654 10-28T06:51:57.394280+00:00 test_01 graph 2024-05-29T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-05-29T01:00:00+00:00'), ('root', 'O1')]
1113653 10-28T06:51:57.290552+00:00 test_01 O1 log 2024-06-30T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-30T10:00:00+00:00'), ('task_id', 'O1')]
1113652 10-28T06:51:57.194854+00:00 test_01 O1 log 2024-07-05T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-05T10:00:00+00:00'), ('task_id', 'O1')]
1113651 10-28T06:51:57.094119+00:00 test_01 O1 log 2024-07-05T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-07-05T01:00:00+00:00'), ('task_id', 'O1')]
1113650 10-28T06:51:56.990530+00:00 test_01 O1 log 2024-06-30T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-30T01:00:00+00:00'), ('task_id', 'O1')]
1113649 10-28T06:51:56.893195+00:00 test_01 graph 2024-06-03T10:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-03T10:00:00+00:00'), ('root', 'O1')]
1113648 10-28T06:51:56.797112+00:00 test_01 graph 2024-06-07T01:00:00+00:00 anonymous [('dag_id', 'test_01'), ('execution_date', '2024-06-07T01:00:00+00:00'), ('root', 'O1')]