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我刚刚安装了mysql proxy 0.8.2,并开始使用它。我将它与两台MySQL 5.5服务器一起使用,在3306上监听,代理服务器在4040上运行。哦,操作系统是Win 7 32位。MySQL代理和基本故障转移(检测状态)
我的问题是,检查服务器状态的mysql代理似乎不应该。
我启动脚本,并且它应该运行。但是,当我关闭主服务器,剧本似乎并没有认识到 - 它仍然会尝试连接到它...
版本信息
mysql-proxy 0.8.2
chassis: mysql-proxy 0.8.2
glib2: 2.16.6
libevent: 1.4.12-stable
LUA: Lua 5.1.2
package.path: C:\ProgramX86\dev\mysql-proxy\lib\mysql-proxy\lua\?.lua
package.cpath: C:\ProgramX86\dev\mysql-proxy\bin\lua-?.dll
-- modules
proxy: 0.8.2*
我的配置
[mysql-proxy]
proxy-address = :4040
proxy-backend-addresses = 10.3.0.9:3306,192.168.4.100:3306
proxy-lua-script = C:/ProgramX86/dev/mysql-proxy/failover3.lua
daemon = true
故障转移LUA脚本
function connect_server()
if proxy.global.backends[1].state == proxy.BACKEND_STATE_DOWN then
proxy.connection.backend_ndx = 2
else
proxy.connection.backend_ndx = 1
end
print ("s Connecting: " .. proxy.global.backends[proxy.connection.backend_ndx].dst.name)
end
function read_query(packet)
if proxy.global.backends[1].state == proxy.BACKEND_STATE_DOWN then
proxy.connection.backend_ndx = 2
else
proxy.connection.backend_ndx = 1
end
print ("q Connecting: " .. proxy.global.backends[proxy.connection.backend_ndx].dst.name)
end