{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Cleanup process started (lock acquired)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "CSV file read successfully - 1 records",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Processing 6 courses",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Found 0 matching users",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Found 0 matching users",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Found 1 matching users",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Found 0 matching users",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Found 0 matching users",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Found 0 matching users",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Total allowed user_moodle_ids: 1 - IDs: 53244",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Total user_moodle_ids to remove from enrollment: 0",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Removed 0 records from users_enrollment table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Removed 0 records from users_enrollment table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Removed 0 records from users_enrollment table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Removed 0 records from users_enrollment table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Removed 0 records from users_enrollment table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Removed 0 records from users_enrollment table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 1)",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 1)",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Removed 0 records from activity_completion table (Total before: 221, After: 221, Allowed IDs count: 1)",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 1)",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 1)",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 1)",
    "memory_usage": "30 MB",
    "peak_memory": "30 MB"
}
{
    "timestamp": "2026-03-18 17:16:56",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Found 8123 user_moodle_ids to delete from user_quiz_grade table",
    "memory_usage": "34 MB",
    "peak_memory": "34 MB"
}
{
    "timestamp": "2026-03-18 17:16:58",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 10\/163 from user_quiz_grade - Total removed so far: 16602",
    "memory_usage": "36 MB",
    "peak_memory": "36 MB"
}
{
    "timestamp": "2026-03-18 17:17:00",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 20\/163 from user_quiz_grade - Total removed so far: 34522",
    "memory_usage": "36 MB",
    "peak_memory": "36 MB"
}
{
    "timestamp": "2026-03-18 17:17:02",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 30\/163 from user_quiz_grade - Total removed so far: 50701",
    "memory_usage": "36 MB",
    "peak_memory": "36 MB"
}
{
    "timestamp": "2026-03-18 17:17:04",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 40\/163 from user_quiz_grade - Total removed so far: 69337",
    "memory_usage": "36 MB",
    "peak_memory": "36 MB"
}
{
    "timestamp": "2026-03-18 17:17:06",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 50\/163 from user_quiz_grade - Total removed so far: 89699",
    "memory_usage": "38 MB",
    "peak_memory": "38 MB"
}
{
    "timestamp": "2026-03-18 17:17:08",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 60\/163 from user_quiz_grade - Total removed so far: 109473",
    "memory_usage": "38 MB",
    "peak_memory": "38 MB"
}
{
    "timestamp": "2026-03-18 17:17:10",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 70\/163 from user_quiz_grade - Total removed so far: 133451",
    "memory_usage": "38 MB",
    "peak_memory": "38 MB"
}
{
    "timestamp": "2026-03-18 17:17:13",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 80\/163 from user_quiz_grade - Total removed so far: 156031",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2026-03-18 17:17:15",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 90\/163 from user_quiz_grade - Total removed so far: 180145",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2026-03-18 17:17:17",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 100\/163 from user_quiz_grade - Total removed so far: 202716",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2026-03-18 17:17:19",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 110\/163 from user_quiz_grade - Total removed so far: 225399",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2026-03-18 17:17:21",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 120\/163 from user_quiz_grade - Total removed so far: 245576",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2026-03-18 17:17:23",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 130\/163 from user_quiz_grade - Total removed so far: 266268",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2026-03-18 17:17:25",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 140\/163 from user_quiz_grade - Total removed so far: 287866",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2026-03-18 17:17:27",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 150\/163 from user_quiz_grade - Total removed so far: 305644",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2026-03-18 17:17:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 160\/163 from user_quiz_grade - Total removed so far: 320290",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2026-03-18 17:17:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Removed 321725 records from user_quiz_grade table (Total before: 321799, After: 74, Allowed IDs count: 1)",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2026-03-18 17:17:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Cleanup completed successfully - CSV records: 1, Allowed: 1, Removed: 0, Counts: {\"users_enrollment\":0,\"activity_completion\":0,\"user_quiz_grade\":321725}",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}