[1]刘亮[],徐步东[],谭艳艳[]. 基于Memcached内存对象缓存技术应用研究[J].计算机技术与发展,2015,25(11):204-208.
　LIU Liang[],XU Bu-dong[],TAN Yan-yan[]. Research on Memory Object Cache Technology Application Based on Memcached[J].,2015,25(11):204-208.
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 基于Memcached内存对象缓存技术应用研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年11期
页码:
204-208
栏目:
应用开发研究
出版日期:
2015-11-10

文章信息/Info

Title:
 Research on Memory Object Cache Technology Application Based on Memcached
文章编号:
1673-629X（2015)11-0204-05
作者:
 刘亮[1]; 徐步东[1];  谭艳艳[2]
1.山东师范大学 信息技术管理处；2.山东师范大学 信息科学与工程学院
Author(s):
 LIU Liang[1];  XU Bu-dong[1]; TAN Yan-yan[2]
关键词:
 ; 内存对象; 缓存系统; 分布式算法; 电子商务
Keywords:
 ; memory object; cache system; distributed algorithm; e-commerce
分类号:
TP311.52
文献标志码:
A
摘要:
 内存对象缓存技术近年来受到业界和学界的广泛关注,Memcached既是一种分布式缓存服务器,也是分布式内存对象缓存系统的典型代表.其以最小的资源消耗获得高效的服务性能优势,广泛应用于Web应用系统中.Memcached自身的内存管理机制、分布式算法并非完美,对此,文中以提升Web应用系统性能为目标,利用分布式算法,基于Memcached对内存对象缓存技术进行深入研究,通过一致性Consistent Hashing算法减轻因添加服务器节点而造成缓存命中率降低的代价,提高增加服务器节点后的缓存命中率,并将优化后的Memcached应用于某电子商务平台之中.测试表明,此电子商务应用系统的请求数、流量、TCP连接数以及CPU利用率等技术指标改善明显,利用Memcached能够有效减轻数据库服务器负载压力,提高Web应用系统响应速度,增强用户体验效果.
Abstract:
 The memory object cache technology has been widely concerned in the industry and academia in recent years. The Memcached is a kind of distributed cache server,it is a typical representative of distributed memory object caching system,and it is getting efficient service performance advantages by minimal consumption of resources,so it is widely used in the Web application system. The memory management mechanism and distributed algorithm owned by Memcached are not perfect. As the important target to enhance the perform-ance of Web applications,using the distributed algorithm,in-depth researching on the memory object caching technology based on Mem-cached,reduce the cost of the cache hit rate decreased as result of the addition server nodes by Consistent Hashing algorithm,improve the cache hit rate after increased the server node,and the improved Memcached is applied to an e-commerce platform. Tests show that the number of requests,traffic,TCP connections and CPU utilization rate of the e-commerce application systems are improved significantly, using Memcached can effectively reduce database server load pressure and improve Web application system response speed,enhancing the user experience effect.

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更新日期/Last Update: 2016-01-06