client.keys('sockets:for:*', function(err, keys) {if(keys.length) client.del(keys);});

DECLARE shopItemsCursor CURSOR FOR SELECT id, minItemId, maxItemId, price, amount FROM t_config_mine_shop WHERE appearType = 0;......FETCH shopItemsCursor INTO configId, minItemId, maxItemId, p

DirectoryService继承BusinessService,BusinessService有个save方法,调用DirectoryService执行save方法,需要在BusinessService上也加上@Component,让BusinessService也给spring容器管理,然后给BusinessService的save方法加上事务配置,否则调用DirectoryService.

<br />测试网站发现，不停点击保存大信息数据，一段时间之后，页面出现<br />502 Bad Gateway <br />The proxy server received an invalid response from an upstream server.<br />查了下，按照http://bbs.chinaunix.net/viewthread.php?tid=1230212说的，

转自：http://jinnianshilongnian.iteye.com/blog/1720618如何配置mysql数据库的主从？单机配置mysql主从：http://my.oschina.net/god/blog/496 常见的解决数据库读写分离有两种方案1、应用层http://neoremind.net/2011/06/spring实现数据库读写分离