关于memcache分布式的问题
memcache的亮点就在于是用内存存储，也在于分布式，至于这个分布式我就有点疑问了，所谓的分布式指的是局域网内的分布式呢，还是因特网的分布式呢。
像微博这样图片和微博内容相分离的叫不叫分布式呢，如果是的话我想说这样的分布式多少是有意义的，因为客户端是直接从另外的图片服务器直接获取图片的；
而对于memcache，如果也使用的是因特网的分布式的话，比方说我的ip是222.222.222.222，然后另外一台为222.222.222.221。如果我将缓存分布在221这台机器上，我如果操作的话，有可能几十次的从221这台机器上获取数据到222上进行处理，哪怕两台电脑离得再近，也是通过外网不断的连接获取数据的，我觉得多少会受网络的影响吧？
而如果memcache的分布式仅仅是分布在局域网内的话，我觉得这就比较好理解了，这样速度肯定快，但是又觉得好像称之为分布式又太片面了。关于memcache的分布式到底是应该怎样的呢。
------解决方案--------------------
你的222和221是走路由器的吧？你和路由器之间的速度至少是G级的吧？路由器也不会太烂吧？
放心，这种情况下，网络不是你的瓶颈，计算能力才是
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