{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Cleanup process started (lock acquired)",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "CSV file read successfully - 98 records",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Processing 6 courses",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Found 5 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Found 1 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Found 60 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:11",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Found 58 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:12",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Found 25 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:12",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Found 19 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:12",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Total allowed user_moodle_ids: 98 - IDs: 47055, 36230, 15727, 31803, 32434, 42227, 49096, 49267, 21733, 52216...",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:02:12",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Total user_moodle_ids to remove from enrollment: 30333",
    "memory_usage": "36 MB",
    "peak_memory": "38.5 MB"
}
{
    "timestamp": "2025-12-29 21:02:46",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Removed 4855 records from users_enrollment table",
    "memory_usage": "36 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:03:19",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Removed 3210 records from users_enrollment table",
    "memory_usage": "36 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:03:53",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Removed 12158 records from users_enrollment table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:04:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Removed 12260 records from users_enrollment table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:02",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Removed 8746 records from users_enrollment table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Removed 3453 records from users_enrollment table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 98)",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 98)",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 98)",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 98)",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 98)",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Removed 0 records from activity_completion table (Total before: 0, After: 0, Allowed IDs count: 98)",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:36",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Found 3568 user_moodle_ids to delete from user_quiz_grade table",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:39",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 10\/72 from user_quiz_grade - Total removed so far: 48294",
    "memory_usage": "38 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:44",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 20\/72 from user_quiz_grade - Total removed so far: 110730",
    "memory_usage": "40 MB",
    "peak_memory": "40.5 MB"
}
{
    "timestamp": "2025-12-29 21:05:47",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 30\/72 from user_quiz_grade - Total removed so far: 162478",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2025-12-29 21:05:50",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 40\/72 from user_quiz_grade - Total removed so far: 198680",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2025-12-29 21:05:53",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 50\/72 from user_quiz_grade - Total removed so far: 223626",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:05:54",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 60\/72 from user_quiz_grade - Total removed so far: 240602",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:05:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 70\/72 from user_quiz_grade - Total removed so far: 249440",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:05:56",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Removed 249855 records from user_quiz_grade table (Total before: 250316, After: 461, Allowed IDs count: 98)",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:05:56",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Cleanup completed successfully - CSV records: 98, Allowed: 98, Removed: 30333, Counts: {\"users_enrollment\":44682,\"activity_completion\":0,\"user_quiz_grade\":249855}",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:20:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Cleanup process started (lock acquired)",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "CSV file read successfully - 98 records",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Processing 6 courses",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Found 5 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Found 1 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Found 60 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:27",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Found 58 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:27",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Found 25 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Found 19 matching users",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Total allowed user_moodle_ids: 98 - IDs: 15727, 31803, 32434, 36230, 47055, 42227, 49096, 49267, 21733, 52216...",
    "memory_usage": "26 MB",
    "peak_memory": "26 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Total user_moodle_ids to remove from enrollment: 0",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Removed 0 records from users_enrollment table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Removed 0 records from users_enrollment table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Removed 0 records from users_enrollment table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Removed 0 records from users_enrollment table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Removed 0 records from users_enrollment table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Removed 0 records from users_enrollment table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 38: Removed 0 records from activity_completion table (Total before: 240, After: 240, Allowed IDs count: 98)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 39: Removed 0 records from activity_completion table (Total before: 48, After: 48, Allowed IDs count: 98)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 45: Removed 0 records from activity_completion table (Total before: 13260, After: 13260, Allowed IDs count: 98)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 46: Removed 0 records from activity_completion table (Total before: 16008, After: 16008, Allowed IDs count: 98)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 47: Removed 0 records from activity_completion table (Total before: 6900, After: 6900, Allowed IDs count: 98)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Found 0 user_moodle_ids to delete from activity_completion table",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Course 68: Removed 0 records from activity_completion table (Total before: 2698, After: 2698, Allowed IDs count: 98)",
    "memory_usage": "28 MB",
    "peak_memory": "28 MB"
}
{
    "timestamp": "2025-12-29 21:20:29",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Found 22889 user_moodle_ids to delete from user_quiz_grade table",
    "memory_usage": "38 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:31",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 10\/458 from user_quiz_grade - Total removed so far: 11906",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:32",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 20\/458 from user_quiz_grade - Total removed so far: 23968",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:33",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 30\/458 from user_quiz_grade - Total removed so far: 36919",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:35",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 40\/458 from user_quiz_grade - Total removed so far: 52311",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:37",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 50\/458 from user_quiz_grade - Total removed so far: 69262",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:39",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 60\/458 from user_quiz_grade - Total removed so far: 83646",
    "memory_usage": "40 MB",
    "peak_memory": "40 MB"
}
{
    "timestamp": "2025-12-29 21:20:41",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 70\/458 from user_quiz_grade - Total removed so far: 104723",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2025-12-29 21:20:43",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 80\/458 from user_quiz_grade - Total removed so far: 130663",
    "memory_usage": "42 MB",
    "peak_memory": "42 MB"
}
{
    "timestamp": "2025-12-29 21:20:45",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 90\/458 from user_quiz_grade - Total removed so far: 153350",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:20:47",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 100\/458 from user_quiz_grade - Total removed so far: 176791",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:20:49",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 110\/458 from user_quiz_grade - Total removed so far: 197412",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:20:51",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 120\/458 from user_quiz_grade - Total removed so far: 218979",
    "memory_usage": "44 MB",
    "peak_memory": "44 MB"
}
{
    "timestamp": "2025-12-29 21:20:53",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 130\/458 from user_quiz_grade - Total removed so far: 239183",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:20:54",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 140\/458 from user_quiz_grade - Total removed so far: 259233",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:20:56",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 150\/458 from user_quiz_grade - Total removed so far: 283191",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:20:58",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 160\/458 from user_quiz_grade - Total removed so far: 304908",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:01",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 170\/458 from user_quiz_grade - Total removed so far: 329862",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:03",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 180\/458 from user_quiz_grade - Total removed so far: 354939",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:05",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 190\/458 from user_quiz_grade - Total removed so far: 379345",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:07",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 200\/458 from user_quiz_grade - Total removed so far: 407262",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:10",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 210\/458 from user_quiz_grade - Total removed so far: 436098",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:12",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 220\/458 from user_quiz_grade - Total removed so far: 466845",
    "memory_usage": "46 MB",
    "peak_memory": "46 MB"
}
{
    "timestamp": "2025-12-29 21:21:15",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 230\/458 from user_quiz_grade - Total removed so far: 504439",
    "memory_usage": "48 MB",
    "peak_memory": "48 MB"
}
{
    "timestamp": "2025-12-29 21:21:18",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 240\/458 from user_quiz_grade - Total removed so far: 543766",
    "memory_usage": "48 MB",
    "peak_memory": "48 MB"
}
{
    "timestamp": "2025-12-29 21:21:21",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 250\/458 from user_quiz_grade - Total removed so far: 575906",
    "memory_usage": "48 MB",
    "peak_memory": "48 MB"
}
{
    "timestamp": "2025-12-29 21:21:23",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 260\/458 from user_quiz_grade - Total removed so far: 606401",
    "memory_usage": "48 MB",
    "peak_memory": "48 MB"
}
{
    "timestamp": "2025-12-29 21:21:26",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 270\/458 from user_quiz_grade - Total removed so far: 641144",
    "memory_usage": "48 MB",
    "peak_memory": "48 MB"
}
{
    "timestamp": "2025-12-29 21:21:28",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 280\/458 from user_quiz_grade - Total removed so far: 674533",
    "memory_usage": "48 MB",
    "peak_memory": "48 MB"
}
{
    "timestamp": "2025-12-29 21:21:31",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 290\/458 from user_quiz_grade - Total removed so far: 710802",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:34",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 300\/458 from user_quiz_grade - Total removed so far: 744485",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:36",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 310\/458 from user_quiz_grade - Total removed so far: 774944",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:39",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 320\/458 from user_quiz_grade - Total removed so far: 805869",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:41",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 330\/458 from user_quiz_grade - Total removed so far: 836490",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:44",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 340\/458 from user_quiz_grade - Total removed so far: 867267",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:46",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 350\/458 from user_quiz_grade - Total removed so far: 893014",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:48",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 360\/458 from user_quiz_grade - Total removed so far: 918405",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:50",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 370\/458 from user_quiz_grade - Total removed so far: 945452",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:52",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 380\/458 from user_quiz_grade - Total removed so far: 975820",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:55",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 390\/458 from user_quiz_grade - Total removed so far: 1003061",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:57",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 400\/458 from user_quiz_grade - Total removed so far: 1030674",
    "memory_usage": "50 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:21:58",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 410\/458 from user_quiz_grade - Total removed so far: 1051744",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:22:01",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 420\/458 from user_quiz_grade - Total removed so far: 1075262",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:22:03",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 430\/458 from user_quiz_grade - Total removed so far: 1095901",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:22:04",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 440\/458 from user_quiz_grade - Total removed so far: 1113207",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:22:05",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Deleted chunk 450\/458 from user_quiz_grade - Total removed so far: 1124927",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:22:06",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Removed 1128840 records from user_quiz_grade table (Total before: 1134201, After: 5361, Allowed IDs count: 98)",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}
{
    "timestamp": "2025-12-29 21:22:06",
    "level": "INFO",
    "function": "cleanupDataByCsv",
    "message": "Cleanup completed successfully - CSV records: 98, Allowed: 98, Removed: 0, Counts: {\"users_enrollment\":0,\"activity_completion\":0,\"user_quiz_grade\":1128840}",
    "memory_usage": "48 MB",
    "peak_memory": "50 MB"
}