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所属分类：kingshard
平滑上（下）线后端DB
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#添加一个新的slave到node1 admin node(opt,node,k,v) values(‘add’,’node1’,’slave’,’127.0.0.1:3306’) #删除node1上的一个slave。注意：只能删除slave，不能删除master admin node(opt,node,k,v) values(‘del’,’node1’,’slave’,’127.0.0.1:3306’) #将一个slave设置为下线状态 admin node(opt,node,k,v) values(‘down’,’node1’,’slave’,’127.0.0.1:3306’) #将一个slave设置为上线状态 admin node(opt,node,k,v) values(‘up’,’node1’,’slave’,’127.0.0.1:3306’) #将master设置为下线状态 admin node(opt,node,k,v) values(‘down’,’node1’,’master’,’127.0.0.1:3306’) #将master设置为上线状态 admin node(opt,node,k,v) values(‘up’,’node1’,’master’,’127.0.0.1:3306’) |
查看kingshard配置
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#查看kingshard全局配置 mysql> admin server(opt,k,v) values('show','proxy','config'); +-------------+----------------+ | Key | Value | +-------------+----------------+ | Addr | 127.0.0.1:9696 | | User | kingshard | | Password | kingshard | | LogLevel | debug | | Nodes_Count | 2 | | Nodes_List | node1,node2 | +-------------+----------------+ 6 rows in set (0.00 sec) #查看node状态 mysql> admin server(opt,k,v) values('show','node','config'); +-------+---------------------+--------+-------+-------------------------------+-------------+----------+ | Node | Address | Type | State | LastPing | MaxIdleConn | IdleConn | +-------+---------------------+--------+-------+-------------------------------+-------------+----------+ | node1 | 127.0.0.1:3306 | master | up | 2015-08-07 15:54:44 +0800 CST | 16 | 1 | | node2 | 192.168.59.103:3307 | master | up | 2015-08-07 15:54:44 +0800 CST | 16 | 1 | +-------+---------------------+--------+-------+-------------------------------+-------------+----------+ 2 rows in set (0.00 sec) #查看schema配置 mysql> admin server(opt,k,v) values('show','schema','config'); +-----------+------------------+---------+------+--------------+-----------+---------------+ | DB | Table | Type | Key | Nodes_List | Locations | TableRowLimit | +-----------+------------------+---------+------+--------------+-----------+---------------+ | kingshard | | default | | node1 | | 0 | | kingshard | test_shard_hash | hash | id | node1, node2 | 4, 4 | 0 | | kingshard | test_shard_range | range | id | node1, node2 | 4, 4 | 10000 | +-----------+------------------+---------+------+--------------+-----------+---------------+ 3 rows in set (0.00 sec) |
项目地址
github: https://github.com/flike/kingshard/
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