如何避免 node.js 网站程序数据库断开 ?

[typcn]

ERR [Sun Nov 09 2014 06:52:16 GMT+0800 (CST)] Error: Connection lost: The server closed the connection.
ERR [Sun Nov 09 2014 06:52:16 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED
ERR [Sun Nov 09 2014 06:52:18 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED
ERR [Sun Nov 09 2014 08:21:41 GMT+0800 (CST)] Error: Connection lost: The server closed the connection.
ERR [Sun Nov 09 2014 08:21:41 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED
ERR [Sun Nov 09 2014 09:55:45 GMT+0800 (CST)] Error: Connection lost: The server closed the connection.
ERR [Sun Nov 09 2014 09:55:45 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED
ERR [Sun Nov 09 2014 09:55:47 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED
ERR [Sun Nov 09 2014 11:32:28 GMT+0800 (CST)] Error: Connection lost: The server closed the connection.
ERR [Sun Nov 09 2014 11:32:28 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED
ERR [Sun Nov 09 2014 11:32:30 GMT+0800 (CST)] Mysql Connect error: connect ECONNREFUSED

昨天刚做好的博客系统 用 Supervisor 运行，一天多 数据库断了4次，被杀了十几次

[ipconfiger]

在连接空置断开前，自己主动断了重连就行了

[typcn]

@ipconfiger 我想保持长连接，可以通过修改配置文件实现吗？

[ipconfiger]

MySQL有个连接空闲XX时间就断开的设置，要么去MySQL禁用掉这个设置，要么
就按我说这个办法，其实仍然是长连接的，所谓长连接并不是永远连接的意思。