Ensuring the Performance of Apache HTTP Server Affected by Aging

被引：14
|
作者：
Zhao, Jing [1 ]
Trivedi, Kishor S. [2 ]
Grottke, Michael [3 ]
Alonso, Javier [2 ]
Wang, Yanbin [4 ]
机构：
[1] Harbin Engn Univ, Sch Comp Sci & Technol, Harbin 150001, Peoples R China
[2] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA
[3] Univ Erlangen Nurnberg, Dept Stat & Econometr, D-90403 Nurnberg, Bayern, Germany
[4] Harbin Inst Technol China, Dept Ind Engn, Harbin 150001, Peoples R China
来源：
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING | 2014年 / 11卷 / 02期
基金：
中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
Queuing model; response time distribution; distribution-based rejuvenation algorithm; static rejuvenation algorithm with averaging; software aging detection;
D O I：
10.1109/TDSC.2013.38
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Failures due to software aging are typically caused by resource exhaustion, which is often preceded by progressive software performance degradation. Response time as a customer-affecting metric can thus be used to detect the onset of software aging. In this paper, we propose the distribution-based rejuvenation algorithm (DBRA), which uses a validated M/E-2/1/K queuing model of the Apache HTTP server to decide when to trigger rejuvenation. We compare the performance of the DBRA with the one of the static rejuvenation algorithm with averaging (SRAA) presented by Avritzer et al. Simulation results show the effectiveness of the DBRA and its advantages over the SRAA in reducing the average response time. However, the DBRA generally tends to trigger rejuvenation more frequently than the SRAA, which increases the request blocking probability.
引用
收藏
页码：130 / 141
页数：12
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