cpu is sharp increase. and log show can't assign requested address

[wsy6543]

code:

driverName, err := otelsql.Register("mysql",
	otelsql.WithAttributes(
		semconv.DBSystemMySQL,
		semconv.DBNameKey.String(a.dbName),
	))
a.db, err = sqlx.Connect(driverName, a.dsn)
if err != nil {
	return err
}
a.db.SetMaxIdleConns(32)
a.db.SetMaxOpenConns(1024)

logs:

metrics：

QPS is close to 5k

I want to know why cause this，anyone face the same question，how to resolve？any suggests？