http://dbarobin.com/2015/09/15/migration-of-mysql-on-different-scenes/ MySQL 迁移方案概览 MySQL 迁移无非是围绕着数据做工作,再继续延伸,无非就是在保证业务平稳持续地运行的前提下做备份恢复.那问题就在怎么快速安全地进行备份恢复. 一方面,备份.针对每个主节点的从节点或者备节点,都有备份.这个备份可能是全备,可能是增量备份.在线备份的方法,可能是使用 mysqldump,可能是 xtrabackup,还可能是 myd
很久没写技术贴了,这两天被spring的循环引用搞死了,发文记之. 前几天,项目结构做了调整,把我所在的项目代码嵌入另一个项目,然后就杯具了,症状如下: Bean with name ‘xxxService’ has been injected into other beans [xxxService] in its raw version as part of a circular reference, but has eventually been wrapped. This means t