| Linux平台上的WAS垃圾回收策略分析 |
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| 引用本文： | 孟聪颖.Linux平台上的WAS垃圾回收策略分析[J].数字社区&智能家居,2008(8):837-838. |
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| 作者姓名： | 孟聪颖 |
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| 作者单位： | 同济大学软件学院,上海201804 |
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| 摘 要： | IBM Websphere Application Server V6．1的Java虚拟机在Linux平台上使用Optthruput、Optavgpause、Gencon、Subpool四种GC策略来管理内存。它们采用不同的算法，适用于不同的应用程序，错误地选择GC策略将导致性能瓶颈。文针对四种策略的特点展开讨论，并结合JVM堆参数调优实验，探讨了默认策略下的性能优化方法，实践证明这种方法对于提高应用服务器性能是行之有效的。
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| 关 键 词： | Websphere应用程序服务器 Java虚拟机 垃圾回收 |
WAS Garage Collection Policy Analysis on Linux Platform |
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| MENG Cong-ying.WAS Garage Collection Policy Analysis on Linux Platform[J].Digital Community & Smart Home,2008(8):837-838. |
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| Authors: | MENG Cong-ying |
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| Affiliation: | MENG Cong-ying (School of Software Engineering, Tongji University, Shanghai 201804, China) |
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| Abstract: | Four Garbage Collection （GC） policies, which are Optthruput, Optavgpause, Gencon, and Subpool, are used to manage memory for Java Virtual Machine （JVM） of IBM Websphere Application Server V6.1 on Linux platform. GC policies designed with different algorithms are suitable for different applications respectively. Taking improper policies will lead to performance bottleneck of applications. The features of the four GC policies are analyzed in this paper. The performance tuning method under default policy are discussed based on the experiment of JVM heap parameter tuning and proved to be effective for improving the performance of application server. |
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| Keywords: | WAS JVM GC |
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