公司测试服务器是双核的windows server2008系统， tomcat服务器最多的时候，cpu利用率是50%，即只用了单核。如何配置server，让其充分利用cpu呢？
(1）修改jvm配置， 使用server模式。 jre里面有client和server两个文件夹，里面的jvm.dll不同。
(2) 修改tomcat connector 配置， 加大 “ acceptorThreadCount” 数值。
参考文章：
http://www.coderanch.com/t/492062/Tomcat/Multi-CPU-configuration-webapplication-deployed
Make sure you use a modern VM (Java 1.6) because locking strategies improved dramatically over time.
http://java-monitor.com/forum/showthread.php?t=133
Also, start Tomcat using the -server flag.
http://java-monitor.com/forum/showthread.php?t=552
From there, use thread dumps to analyze what your code is doing. Go through them to reduce lock contention and make your code more suitable for multi-processor machines.
http://java-monitor.com/forum/showthread.php?t=317
http://java-monitor.com/forum/showthread.php?t=616
http://tomcat.apache.org/tomcat-7.0-doc/config/http.html
acceptorThreadCount
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The number of threads to be used to accept connections. Increase this value on a multi CPU machine, although you would never really need more than
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http://forums.whirlpool.net.au/archive/971205
http://blog.csdn.net/maoweiwer/article/details/6117099
http://phl.iteye.com/blog/857587
JDK、JRE及JVM的关系总结
http://www.cnblogs.com/apm70/archive/2012/06/05/2536804.html
