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基于SAN系统数据密集型程序的性能分析
引用本文:曹强,谢长生,傅湘林. 基于SAN系统数据密集型程序的性能分析[J]. 小型微型计算机系统, 2004, 25(4): 617-620
作者姓名:曹强  谢长生  傅湘林
作者单位:华中科技大学,计算机学院,湖北,武汉,430074
基金项目:国家 8 63项目 ( 2 0 0 1AA1110 11)资助,国家自然科学基金 ( 60 173 0 43 )资助,国家“973”重大基础研究项目( G19990 3 3 0 0 6)资助
摘    要:数据密集型应用如多媒体、数据库等等的大规模发展对存储系统提出更高的要求.与之相适应的是以SAN为代表的存储网络改变了存储系统完全依赖于主机的模式,整体上提高了存储系统性能、可用性、可扩展性.本文在研究整个SAN存储系统结构的基础上,通过分析和估计SAN系统的各个部分性能,结合数据密集型程序的I/O统计特性,估计各种I/O请求的平均响应时间,说明在SAN系统平台上I/O密集型程序的设计要求,为进一步开发大规模存储网络管理和应用软件打下基础.

关 键 词:SAN 平均响应时间 I/O请求
文章编号:1000-1220(2004)04-0617-04

Performance Analysis of Data Intensive Application Based on SAN System
CAO Qiang,XIE Chang sheng,FU Xiang lin. Performance Analysis of Data Intensive Application Based on SAN System[J]. Mini-micro Systems, 2004, 25(4): 617-620
Authors:CAO Qiang  XIE Chang sheng  FU Xiang lin
Abstract:The rapid growth of data intensive applications, such as multimedia, database etc., are continuously driving the demand for storage subsystem. At the same time, the storage network architecture as SAN changes traditional method that the storage subsystem is independence host and in the whole improves the performance, availability, scalability. In this paper, based on the study of SAN system, with analyzing and estimating the performance of the components of SAN and the character of data intensive applications, we can evaluate the average response time of all kinds of I/O request and describe the requirement of the applications for better developing large scale manage procedures and applications based on SAN.
Keywords:SAN   average response time   I/O request
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