progress on OPTIMIZE table resets itself 3 times during run (and finishes on 0)

From: while true; do mysql -S /tmp/build-mariadb-server-10.11.sock -e 'show processlist'; sleep 0.1; done

+-----+------+-----------+------+---------+------+----------+------------------+----------+

| Id  | User | Host      | db   | Command | Time | State    | Info             | Progress |

+-----+------+-----------+------+---------+------+----------+------------------+----------+

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    0 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    1 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    2 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    3 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    4 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    5 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    6 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    7 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |   49.153 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |   49.153 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |   74.576 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |   74.576 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |   74.576 |

|   6 | dan  | localhost | test | Query   |    8 | altering table | optimize table test_opened_ticket |   86.441 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |   86.441 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |   93.220 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |   93.220 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |   96.610 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |   96.610 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |    9 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |   49.153 |

|   6 | dan  | localhost | test | Query   |   10 | altering table | optimize table test_opened_ticket |   49.153 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   74.576 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   74.576 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   86.441 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   86.441 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   93.220 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   93.220 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   96.610 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |   96.610 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   11 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   12 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   49.398 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   49.398 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   49.398 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   74.699 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   74.699 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   86.747 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   86.747 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   86.747 |

|   6 | dan  | localhost | test | Query   |   13 | altering table | optimize table test_opened_ticket |   92.771 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |   92.771 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |   96.386 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |   96.386 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |   96.386 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |   97.590 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |   97.590 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   14 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |

|   6 | dan  | localhost | test | Query   |   15 | altering table | optimize table test_opened_ticket |    0.000 |