Execute adhoc task: quiz_statistics\task\recalculate
Adhoc task id: 281
Adhoc task custom data: {"quizid":53}
... started 09:09:35. Current memory use 84.6 Mo.
Re-calculating statistics for quiz Testez votre préparation sur 5 questions par rubriques (53) from course REV (8) with 10 attempts, start time 14 août 25, 09:09:35 ...
    Calculations completed at 14 août 25, 09:09:37.
... used 1335 dbqueries
... used 1.4017980098724 seconds
... used 87.4 Mo peak memory
Adhoc task complete: quiz_statistics\task\recalculate
