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View Code? Open in Web Editor NEW秒杀与抢购系统架构设计与实现
秒杀与抢购系统架构设计与实现
乐观锁最慢的原因,问题应该是在脏读,而不是在线程切换。
在使用redis的方案中,发送到队列后就返回成功,其实有可能rabbitmq减库存不成功,但前台用户已经收到了秒杀成功,这种问题怎么处理呢?
删掉mybatisConfig文件,项目依然能运行起来。所以请问druid有用到吗?
应该把redis里已购商品用户名单的新添加进去的userid去掉把
看代码,sql
update product set stock=stock-1
where id=#{id} and stock>0
并没有加锁啊
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