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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2022/08/27 17:42:59 UTC

[GitHub] [airflow] Jakeway commented on issue #25765: Deadlock in Scheduler Loop when Updating Dag Run

Jakeway commented on issue #25765:
URL: https://github.com/apache/airflow/issues/25765#issuecomment-1229234572

   @potiuk Hello, here's the latest detected deadlock info:
   
   ```
   ------------------------
   LATEST DETECTED DEADLOCK
   ------------------------
   2022-08-27 00:01:20 0x14a4bc091700
   *** (1) TRANSACTION:
   TRANSACTION 546446888, ACTIVE 0 sec starting index read
   mysql tables in use 1, locked 1
   LOCK WAIT 3 lock struct(s), heap size 1136, 3 row lock(s), undo log entries 2
   MySQL thread id 28342642, OS thread handle 22697787754240, query id 655321967 10.0.9.225 airflow updating
   UPDATE dag_run SET last_scheduling_decision='2022-08-27 00:01:20.418340' WHERE dag_run.id = 68
   *** (1) WAITING FOR THIS LOCK TO BE GRANTED:
   RECORD LOCKS space id 918 page no 3 n bits 144 index PRIMARY of table `airflow`.`dag_run` trx id 546446888 lock_mode X locks rec but not gap waiting
   Record lock, heap no 71 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000044; asc    D;;
    1: len 6; hex 000020921d4d; asc      M;;
    2: len 7; hex 78000002942abb; asc x    * ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 63080d00000000; asc c      ;;
    5: len 7; hex 72756e6e696e67; asc running;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32365430303a30303a3030; asc scheduled__2022-08-26T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: SQL NULL;
    10: len 7; hex 63095e8503519a; asc c ^  Q ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 63095ec402ffea; asc c ^    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 800017b5; asc     ;;
    15: len 7; hex 63095e800dd9e8; asc c ^    ;;
    16: len 7; hex 63080d00000000; asc c      ;;
    17: len 7; hex 63095e80000000; asc c ^    ;;
    18: len 4; hex 80000003; asc     ;;
   
   *** (2) TRANSACTION:
   TRANSACTION 546446886, ACTIVE 0 sec fetching rows
   mysql tables in use 3, locked 3
   7 lock struct(s), heap size 1136, 53 row lock(s)
   MySQL thread id 28349386, OS thread handle 22697761904384, query id 655321958 10.0.9.225 airflow Sending data
   DELETE FROM rendered_task_instance_fields WHERE rendered_task_instance_fields.dag_id = 'pre_systems_execute_daily_dag' AND rendered_task_instance_fields.task_id = 'companies_morn_import_daily_price_and_nav_data_ftp_time_sensor' AND ((rendered_task_instance_fields.dag_id, rendered_task_instance_fields.task_id, rendered_task_instance_fields.run_id) NOT IN (SELECT subq2.dag_id, subq2.task_id, subq2.run_id
   FROM (SELECT subq1.dag_id AS dag_id, subq1.task_id AS task_id, subq1.run_id AS run_id
   FROM (SELECT DISTINCT rendered_task_instance_fields.dag_id AS dag_id, rendered_task_instance_fields.task_id AS task_id, rendered_task_instance_fields.run_id AS run_id, dag_run.execution_date AS execution_date
   FROM rendered_task_instance_fields INNER JOIN dag_run ON rendered_task_instance_fields.dag_id = dag_run.dag_id AND rendered_task_instance_fields.run_id = dag_run.run_id
   WHERE rendered_task_instance_fields.dag
   *** (2) HOLDS THE LOCK(S):
   RECORD LOCKS space id 918 page no 3 n bits 144 index PRIMARY of table `airflow`.`dag_run` trx id 546446886 lock mode S locks rec but not gap
   Record lock, heap no 6 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000005; asc     ;;
    1: len 6; hex 000020049e5a; asc      Z;;
    2: len 7; hex 7a0000021f19b7; asc z      ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f2f500000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32365430303a30303a3030; asc scheduled__2022-08-26T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: SQL NULL;
    10: len 7; hex 63095e8503519a; asc c ^  Q ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 63095ec402ffea; asc c ^    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 800017b5; asc     ;;
    15: len 7; hex 63095e800dd9e8; asc c ^    ;;
    16: len 7; hex 63080d00000000; asc c      ;;
    17: len 7; hex 63095e80000000; asc c ^    ;;
    18: len 4; hex 80000003; asc     ;;
   
   *** (2) TRANSACTION:
   TRANSACTION 546446886, ACTIVE 0 sec fetching rows
   mysql tables in use 3, locked 3
   7 lock struct(s), heap size 1136, 53 row lock(s)
   MySQL thread id 28349386, OS thread handle 22697761904384, query id 655321958 10.0.9.225 airflow Sending data
   DELETE FROM rendered_task_instance_fields WHERE rendered_task_instance_fields.dag_id = 'pre_systems_execute_daily_dag' AND rendered_task_instance_fields.task_id = 'companies_morn_import_daily_price_and_nav_data_ftp_time_sensor' AND ((rendered_task_instance_fields.dag_id, rendered_task_instance_fields.task_id, rendered_task_instance_fields.run_id) NOT IN (SELECT subq2.dag_id, subq2.task_id, subq2.run_id
   FROM (SELECT subq1.dag_id AS dag_id, subq1.task_id AS task_id, subq1.run_id AS run_id
   FROM (SELECT DISTINCT rendered_task_instance_fields.dag_id AS dag_id, rendered_task_instance_fields.task_id AS task_id, rendered_task_instance_fields.run_id AS run_id, dag_run.execution_date AS execution_date
   FROM rendered_task_instance_fields INNER JOIN dag_run ON rendered_task_instance_fields.dag_id = dag_run.dag_id AND rendered_task_instance_fields.run_id = dag_run.run_id
   WHERE rendered_task_instance_fields.dag
   *** (2) HOLDS THE LOCK(S):
   RECORD LOCKS space id 918 page no 3 n bits 144 index PRIMARY of table `airflow`.`dag_run` trx id 546446886 lock mode S locks rec but not gap
   Record lock, heap no 6 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000005; asc     ;;
    1: len 6; hex 000020049e5a; asc      Z;;
    2: len 7; hex 7a0000021f19b7; asc z      ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f2f500000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31305430303a30303a3030; asc scheduled__2022-08-10T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62f4a16007d45d; asc b  `  ];;
    10: len 7; hex 62f46a190803f2; asc b j    ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62f4a16007ba20; asc b  `   ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000001; asc     ;;
    15: len 7; hex 62f46a19075802; asc b j  X ;;
    16: len 7; hex 62f2f500000000; asc b      ;;
    17: len 7; hex 62f44680000000; asc b F    ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 9 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000008; asc     ;;
    1: len 6; hex 0000200e1690; asc       ;;
    2: len 7; hex 35000002a12ff1; asc 5    / ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f44680000000; asc b F    ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31315430303a30303a3030; asc scheduled__2022-08-11T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62f5f3840b4270; asc b    Bp;;
    10: len 7; hex 62f598000a2089; asc b      ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62f5f3840af2b3; asc b      ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000001; asc     ;;
    15: len 7; hex 62f5980008aa7c; asc b     |;;
    16: len 7; hex 62f44680000000; asc b F    ;;
    17: len 7; hex 62f59800000000; asc b      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 13 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 8000000c; asc     ;;
    1: len 6; hex 000020173685; asc     6 ;;
    2: len 7; hex 7f000040131799; asc    @   ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f59800000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31325430303a30303a3030; asc scheduled__2022-08-12T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62f7445a0e9648; asc b DZ  H;;
    10: len 7; hex 62f6e982075128; asc b    Q(;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62f7445a0e34d9; asc b DZ 4 ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000491; asc     ;;
   15: len 7; hex 62f6e9800c27ca; asc b    ' ;;
    16: len 7; hex 62f59800000000; asc b      ;;
    17: len 7; hex 62f6e980000000; asc b      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 17 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000010; asc     ;;
    1: len 6; hex 00002020604f; asc     `O;;
    2: len 7; hex 39000002172658; asc 9    &X;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f6e980000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31335430303a30303a3030; asc scheduled__2022-08-13T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62f88fd3073b81; asc b    ; ;;
    10: len 7; hex 62f83b0007adcb; asc b ;    ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62f88fd3070a41; asc b     A;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 800005a3; asc     ;;
    15: len 7; hex 62f83b00064673; asc b ;  Fs;;
    16: len 7; hex 62f6e980000000; asc b      ;;
    17: len 7; hex 62f83b00000000; asc b ;    ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 21 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000014; asc     ;;
    1: len 6; hex 000020293045; asc    )0E;;
    2: len 7; hex 250000019b0598; asc %      ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f83b00000000; asc b ;    ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31345430303a30303a3030; asc scheduled__2022-08-14T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62f9e155012b50; asc b  U +P;;
    10: len 7; hex 62f98c800b3655; asc b    6U;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62f9e15500d72c; asc b  U  ,;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 8000076c; asc    l;;
    15: len 7; hex 62f98c800832d3; asc b    2 ;;
    16: len 7; hex 62f83b00000000; asc b ;    ;;
    17: len 7; hex 62f98c80000000; asc b      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 25 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000018; asc     ;;
    1: len 6; hex 0000203232c0; asc    22 ;;
    2: len 7; hex 6a000002b71149; asc j     I;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62f98c80000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31355430303a30303a3030; asc scheduled__2022-08-15T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62fb399a013146; asc b 9  1F;;
    10: len 7; hex 62fade00074a75; asc b    Ju;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62fb399a00d1d8; asc b 9    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000852; asc    R;;
    15: len 7; hex 62fade000608a0; asc b      ;;
    16: len 7; hex 62f98c80000000; asc b      ;;
    17: len 7; hex 62fade00000000; asc b      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 29 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 8000001c; asc     ;;
    1: len 6; hex 0000203b4eb4; asc    ;N ;;
    2: len 7; hex 3f0000002d08fe; asc ?   -  ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62fade00000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31365430303a30303a3030; asc scheduled__2022-08-16T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62fc8b1501d93e; asc b     >;;
    10: len 7; hex 62fc2f8008a54d; asc b /   M;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62fc8b1501837b; asc b     {;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 8000094c; asc    L;;
    15: len 7; hex 62fc2f8007f68d; asc b /    ;;
    16: len 7; hex 62fade00000000; asc b      ;;
    17: len 7; hex 62fc2f80000000; asc b /    ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 33 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000020; asc     ;;
    1: len 6; hex 000020446c6f; asc    Dlo;;
    2: len 7; hex 2c000003051592; asc ,      ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
   4: len 7; hex 62fc2f80000000; asc b /    ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31375430303a30303a3030; asc scheduled__2022-08-17T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62fddc9e02e060; asc b     `;;
    10: len 7; hex 62fd810008a510; asc b      ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62fddc9e02a9f3; asc b      ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000ace; asc     ;;
    15: len 7; hex 62fd810001a954; asc b     T;;
    16: len 7; hex 62fc2f80000000; asc b /    ;;
    17: len 7; hex 62fd8100000000; asc b      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 37 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000024; asc    $;;
    1: len 6; hex 0000204d609e; asc    M` ;;
    2: len 7; hex 2a0000401a0976; asc *  @  v;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62fd8100000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31385430303a30303a3030; asc scheduled__2022-08-18T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 62ff2e20084ca2; asc b .  L ;;
    10: len 7; hex 62fed280071b06; asc b      ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 62ff2e200802af; asc b .    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000c7b; asc    {;;
    15: len 7; hex 62fed28005c4d9; asc b      ;;
    16: len 7; hex 62fd8100000000; asc b      ;;
    17: len 7; hex 62fed280000000; asc b      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 41 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000028; asc    (;;
    1: len 6; hex 00002056425d; asc    VB];;
    2: len 7; hex 350000033f0110; asc 5   ?  ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 62fed280000000; asc b      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d31395430303a30303a3030; asc scheduled__2022-08-19T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 63007ed90e0268; asc c ~   h;;
    10: len 7; hex 630024040e7ca2; asc c $  | ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 63007ed90dbac8; asc c ~    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000ded; asc     ;;
    15: len 7; hex 63002401014419; asc c $  D ;;
    16: len 7; hex 62fed280000000; asc b      ;;
    17: len 7; hex 63002400000000; asc c $    ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 45 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 8000002c; asc    ,;;
    1: len 6; hex 0000205f2d59; asc    _-Y;;
    2: len 7; hex 660000025b0cef; asc f   [  ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 63002400000000; asc c $    ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32305430303a30303a3030; asc scheduled__2022-08-20T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 6301ca620d5f6b; asc c  b _k;;
    10: len 7; hex 6301758202efef; asc c u    ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 6301ca620d03cc; asc c  b   ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80000f75; asc    u;;
    15: len 7; hex 630175810685af; asc c u    ;;
    16: len 7; hex 63002400000000; asc c $    ;;
    17: len 7; hex 63017580000000; asc c u    ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 49 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000030; asc    0;;
    1: len 6; hex 00002067cd80; asc    g  ;;
    2: len 7; hex 7f0000030c11a4; asc        ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 63017580000000; asc c u    ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32315430303a30303a3030; asc scheduled__2022-08-21T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 63031be30eb393; asc c      ;;
    10: len 7; hex 6302c70109a0f4; asc c      ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 63031be30e740e; asc c    t ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 8000113a; asc    :;;
    15: len 7; hex 6302c701066dd0; asc c    m ;;
    16: len 7; hex 63017580000000; asc c u    ;;
    17: len 7; hex 6302c700000000; asc c      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 53 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000034; asc    4;;
    1: len 6; hex 00002070a94c; asc    p L;;
    2: len 7; hex 2e0000401a0f88; asc .  @   ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 6302c700000000; asc c      ;;
   5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32325430303a30303a3030; asc scheduled__2022-08-22T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 630473920b3633; asc c s  63;;
    10: len 7; hex 6304188004cc6b; asc c     k;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 630473920adecd; asc c s    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 80001233; asc    3;;
    15: len 7; hex 6304188003dbca; asc c      ;;
    16: len 7; hex 6302c700000000; asc c      ;;
    17: len 7; hex 63041880000000; asc c      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 57 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000038; asc    8;;
    1: len 6; hex 0000207999d2; asc    y  ;;
    2: len 7; hex 30000001a114eb; asc 0      ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 63041880000000; asc c      ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32335430303a30303a3030; asc scheduled__2022-08-23T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 6305c4e80e1283; asc c      ;;
    10: len 7; hex 63056a010096ff; asc c j    ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 6305c4e80dc9eb; asc c      ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 8000139d; asc     ;;
    15: len 7; hex 63056a000daaae; asc c j    ;;
    16: len 7; hex 63041880000000; asc c      ;;
    17: len 7; hex 63056a00000000; asc c j    ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 61 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 8000003c; asc    <;;
    1: len 6; hex 0000208261d6; asc     a ;;
    2: len 7; hex 25000001a1083a; asc %     :;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 63056a00000000; asc c j    ;;
    5: len 7; hex 73756363657373; asc success;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32345430303a30303a3030; asc scheduled__2022-08-24T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: len 7; hex 630716a40b8d47; asc c     G;;
    10: len 7; hex 6306bb800cc8d8; asc c      ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 630716a40b4c13; asc c    L ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 800014c2; asc     ;;
    15: len 7; hex 6306bb800bbc12; asc c      ;;
    16: len 7; hex 6306bb80000000; asc c      ;;
    17: len 7; hex 63080d00000000; asc c      ;;
    18: len 4; hex 80000003; asc     ;;
   
   Record lock, heap no 71 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000044; asc    D;;
    1: len 6; hex 000020921d4d; asc      M;;
    2: len 7; hex 78000002942abb; asc x    * ;;
    3: len 29; hex 7072655f73797374656d735f657865637574655f6461696c795f646167; asc pre_systems_execute_daily_dag;;
    4: len 7; hex 63080d00000000; asc c      ;;
    5: len 7; hex 72756e6e696e67; asc running;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32365430303a30303a3030; asc scheduled__2022-08-26T00:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: SQL NULL;
    10: len 7; hex 63095e8503519a; asc c ^  Q ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 63095ec402ffea; asc c ^    ;;
    13: len 30; hex 326631633932343536356338636261623431663839623137336539386462; asc 2f1c924565c8cbab41f89b173e98db; (total 32 bytes);
    14: len 4; hex 800017b5; asc     ;;
    15: len 7; hex 63095e800dd9e8; asc c ^    ;;
    16: len 7; hex 63080d00000000; asc c      ;;
    17: len 7; hex 63095e80000000; asc c ^    ;;
    18: len 4; hex 80000003; asc     ;;
   
   *** (2) WAITING FOR THIS LOCK TO BE GRANTED:
   RECORD LOCKS space id 918 page no 3 n bits 144 index PRIMARY of table `airflow`.`dag_run` trx id 546446886 lock mode S locks rec but not gap waiting
   Record lock, heap no 67 PHYSICAL RECORD: n_fields 19; compact format; info bits 0
    0: len 4; hex 80000043; asc    C;;
    1: len 6; hex 000020921e28; asc      (;;
    2: len 7; hex 26000002a003db; asc &      ;;
    3: len 30; hex 706f73745f73797374656d735f657865637574655f6461696c795f646167; asc post_systems_execute_daily_dag;;
    4: len 7; hex 63072c00000000; asc c ,    ;;
    5: len 7; hex 72756e6e696e67; asc running;;
    6: len 30; hex 7363686564756c65645f5f323032322d30382d32355430383a30303a3030; asc scheduled__2022-08-25T08:00:00; (total 36 bytes);
    7: len 1; hex 80; asc  ;;
    8: len 5; hex 80047d942e; asc   } .;;
    9: SQL NULL;
    10: len 7; hex 63087d8005db17; asc c }    ;;
    11: len 9; hex 7363686564756c6564; asc scheduled;;
    12: len 7; hex 63095ed00758f8; asc c ^  X ;;
    13: len 30; hex 343733383036626236666630353639313862303331313763323435613166; asc 473806bb6ff056918b03117c245a1f; (total 32 bytes);
    14: len 4; hex 800017b5; asc     ;;
    15: len 7; hex 63087d8005002e; asc c }   .;;
    16: len 7; hex 63072c00000000; asc c ,    ;;
    17: len 7; hex 63087d80000000; asc c }    ;;
    18: len 4; hex 80000003; asc     ;;
   
   *** WE ROLL BACK TRANSACTION (1)
   ------------
   TRANSACTIONS
   ------------
   Trx id counter 546861435
   Purge done for trx's n:o < 546861431 undo n:o < 0 state: running but idle
   History list length 16
   LIST OF TRANSACTIONS FOR EACH SESSION:
   ---TRANSACTION 304173199398320, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ---TRANSACTION 304173199394640, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ---TRANSACTION 304173199395560, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ---TRANSACTION 304173199399240, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ---TRANSACTION 304173199397400, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ---TRANSACTION 304173199400160, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ---TRANSACTION 304173199396480, not started
   0 lock struct(s), heap size 1136, 0 row lock(s)
   ```


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