innodb状态信息输出到日志

mysql> create table innodb_monitor(a int) engine=innodb;
Query OK, 0 rows affected (0.09 sec)

mysql> create table innodb_tablespace_monitor(a int) engine=innodb;
Query OK, 0 rows affected (0.12 sec)

mysql> create table innodb_lock_monitor(a int) engine=innodb;
Query OK, 0 rows affected (0.13 sec)

mysql> create table innodb_table_monitor(a int) engine=innodb;
Query OK, 0 rows affected (0.09 sec)

创建表后innodb会每过15秒输出一次innodb状态信息到error log，通过删除表停止该monitor功能。