使用实例管理器轻松管理多个MySQL实例

核心提示： 查看实例的版本信息mysql> show instance status mysqld2;+---+++| instance_name | state | version_number | version | mysqld_compatible |+---+++| mysqld2 |

查看实例的版本信息

mysql> show instance status mysqld2;

+---------------+--------+----------------+

| instance_name | state | version_number | version | mysqld_compatible |

+---------------+--------+----------------+

| mysqld2 | online | 5.1.23 | 5.1.23a-maria-alpha for redhat-linux-gnu on i686 (MySQL Community Server [Maria] (GPL))

| no |

+---------------+--------+----------------+

1 row in set (0.00 sec)

也可以显示实例的选项信息

mysql> show instance options mysqld1;

+-----------------------+-----------------------------------+

| option_name | value |

+-----------------------+-----------------------------------+

| instance_name | mysqld1 |

| basedir | /usr/local/mysql |

| datadir | /usr/local/mysql/data |

| user | mysql |

| default-character-set | utf8 |

| port | 3306 |

| socket | /tmp/mysql1.sock |

| skip-locking | |

| skip-name-resolve | |

| key_buffer | 126M |

| max_allowed_packet | 2M |

| table_cache | 512 |

| sort_buffer_size | 2M |

| read_buffer_size | 2M |

| read_rnd_buffer_size | 4M |

| net_buffer_length | 2K |

| thread_stack | 64K |

| log-bin | mysql.log |

| expire_logs_days | 5 |

| wait_timeout | 20 |

| pid-file | mysqld1-localhost.localdomain.pid |

+-----------------------+-----------------------------------+

21 rows in set (0.00 sec)