Execute adhoc task: quiz_statistics\task\recalculate
Adhoc task id: 721
Adhoc task custom data: {"quizid":206}
... started 09:11:30. Current memory use 90.7 Mo.
Re-calculating statistics for quiz Examen blanc (2018) (206) from course REV (8) with 1 attempts, start time 14 août 25, 09:11:30 ...
    Calculations completed at 14 août 25, 09:11:31.
... used 1105 dbqueries
... used 1.491749048233 seconds
... used 93.3 Mo peak memory
Adhoc task complete: quiz_statistics\task\recalculate
