mysql中回滚日志目录如何 查询

可以通过/usr/local/mysql/bin/mysqlbinlog指令查询

全局变量innodb_undo_directory

mysql> show variables like "innodb_undo%";
+--------------------------+-------+
| Variable_name            | Value |
+--------------------------+-------+
| innodb_undo_directory    | ./    |
| innodb_undo_log_truncate | OFF   |
| innodb_undo_logs         | 128   |
| innodb_undo_tablespaces  | 0     |
+--------------------------+-------+
4 rows in set (2.69 sec)