Performance Profiling

Total processing time: 30,076 ms; Peak memory: 7.141 MB. Show Profiling Timeline

总计3条数据。

Time	Duration	Category	Info

15:36:41.177	2.5 ms	yii\db\Connection::open	→Opening DB connection: mysql:host=mysql-teach;dbname=teach_exam
15:36:41.184	1.8 ms	yii\db\Command::query	→SELECT COUNT(*) FROM `exam` WHERE `id`=-1
15:36:41.186	0.4 ms	yii\db\Command::query	→SELECT * FROM `exam` WHERE `id`=-1 ORDER BY `created_at` DESC LIMIT 10