http://www.sjsjw.com/kf_cloud/article/44_5945_1823.asp
CentOS下用Tomcat+Zookeeper+Nginx+Solr完美搭建SolrCloud平台(一)
http://www.656463.com/article/3AzeQf.htm
solrCloud 4.9 分布式集群部署及注意事项
http://blog.csdn.net/nickwar/article/details/8247613
在linux上使用nginx为solr集群做负载均衡
http://blog.csdn.net/moqiang02/article/details/36015373
Nginx负载均衡和LVS负载均衡的比较分析
再谈select, iocp, epoll,kqueue及各种I/O复用机制
http://blog.csdn.net/shallwake/article/details/5265287