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Subject: Computer Science
Title:
ROSA:资源敏感的高性能Web容器体系结构
Alternative Title: rosa:resource-oriented high-performance web container architecture
Author: 周晓炜 ; 张文博 ; 王联华
Keyword: architecture ; Web container ; resource-oriented ; queuing Petri net ; thread-pool
Source: Journal of Frontiers of Computer Science & Technology
Issued Date: 2012
Volume: 6, Issue:1, Pages:32-45
Indexed Type: cscd,cnki,wanfang
Department: 周晓炜, 中国科学院软件研究所软件工程技术研究开发中心, 北京 100190, 中国. 张文博, 中国科学院软件研究所软件工程技术研究开发中心, 北京 100190, 中国. 王联华, 北京神舟航天软件技术有限公司, 北京 100094, 中国.
Abstract: 现有的Web容器多采用线程池体系结构,而Web容器所支撑的动态Web组件在执行过程中可能需要获取多种共享资源,由共享资源并发量限制导致的线程阻塞 可能会严重影响性能。提出了一种资源敏感的Web容器体系结构ROSA(resource-oriented staged architecture)。当某些共享资源达到饱和时,若Web容器接到对需要这些资源的Web组件的请求,ROSA会暂缓为这些请求提供服务以减少线 程阻塞。基于排队Petri网,建立了ROSA结构和线程池结构的性能模型,通过模型仿真和负载实验验证了ROSA体系结构的性能优势。
English Abstract: Most of the current Web containers adopt thread-pool architecture. A Web component which Web con-tainer supports may obtain multiple shared resources during runtime. The concurrency limits of these resources may cause thread-blocking and seriously hinder the performance. This paper proposes a resource-oriented Web container architecture,which is named ROSA(resource-oriented staged architecture) . When some shared resources are satu-rated and Web container receives the requests for Web components demanding these resources,ROSA will post-pone serving these requests in order to reduce thread-blocking. The paper builds the performance model of ROSA and thread-pool architecture using queuing Petri nets,and the experimental results of simulation and load testing show the performance advantage of ROSA.
Language: 中文
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/14697
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
周晓炜,张文博,王联华. ROSA:资源敏感的高性能Web容器体系结构[J]. Journal of Frontiers of Computer Science & Technology,2012-01-01,6(1):32-45.
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