一、Common Problems in Java SE Application
This message is based on the following materials.http://java.sun.com/developer/technicalArticles/J2SE/monitoring/#Insufficient_Memory
http://java.sun.com/developer/technicalArticles/javase/troubleshoot//
Concurrent Mark Sweep (CMS) is a type of Garbage Collector (GC) available in the Java Virtual Machine (JVM) of the Java 2 SDK. This document explains the traces generated by JVM when run with certain diagnostic flags, specifically the logs generated with VM option -XX:+PrintGCDetails for this collector.
本日志由 flyinweb 于 2010-01-14 18:20:09 发表到 技术文摘 中,目前已经被浏览 4705 次,评论 0 次;
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The full list of Java Performance related tools and resources is available from the resources page. This page only lists those tools that have JavaPerformanceTuning.com reports available. New tool reports are provided with each newsletter.
本日志由 flyinweb 于 2010-01-14 12:53:00 发表到 技术文摘 中,目前已经被浏览 3877 次,评论 0 次;
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Introduction
GCViewer is a little tool that visualizes verbose garbage collection data generated by Sun and IBM Java Virtual Machines (JVM). The analysis of this data can be useful for tuning applications in order to maximize the performance of the garbage collector and thus the application itself.
Supported verbose:gc formats are:
-Xloggc:<file> (preferred)-verbose:gc-verbose:gc-verbose:gcTomcat6.0的集群配置与Tomcat5.5类似,由于Tomcat6.0做了许多更新,所以在Tomcat6.0 Server.xml中只需启用
- <Cluster className=”org.apache.catalina.ha.tcp.SimpleTcpCluster”/>
LINUX64位 APACHE2.2 Mysql5.1 php5.29安装
本文基本参考自 轻松实现Apache,Tomcat集群和负载均衡,经由实操经历记录而成,碰到些出入,以及个别地方依据个人的习惯,所以在一定程度上未能保持原文的完整性,还望原著者海涵。
因原文中有较多的贴图,如若各位读者一时不想亲自动手而直想看到配置效果,可查看原文。
查看message出现了下面的错误:
kernel:ip_conntrack:table full,dropping packet
本日志由 flyinweb 于 2010-01-13 17:20:32 发表到 技术文摘 中,目前已经被浏览 5058 次,评论 0 次;
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It is quite useful and interesting too.
VIRT 的上限是64G,也就是36位, cat /proc/cpuinfo的结果是:addre
昨天要准备用线程重写webbench,试验了下Fedora Linux 2.6.35.14
不明白您的具体的意思是什么?
已经发送到你QQ邮箱
http://www.2mysite.net/scriptencoder/screnc.asp 站长你好,看
你好,我发现一个问题,就是从mysqld2同步过来的数据,在mysqld1的
晕,我说是怎么回事情,原来我和你一样,忘记设置了活动分区