web应用在集群分布下，撇开缓存服务器和数据库存储session外session的处理一般分两类：一是session复制，还有一个是session stickysession stick会指定一台机器响应请求，一直有个疑问：“如果这台机器宕机了，根据session sticky的机制还是会往这台机器发送请求，所以这个时候负载均衡就没用了？还是说宕机以后session sticky的机制就没用了，服务器重新负载到其他的没有session的机器上？“
ringa_lee
This depends on the implementation of your load balancing strategy. Please refer to Pros and Cons of Sticky Session / Session Affinity load blancing strategy?
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This depends on the implementation of your load balancing strategy. Please refer to Pros and Cons of Sticky Session / Session Affinity load blancing strategy?
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