图文阐释-DAS-NAS-SAN

转帖自学. 目前磁盘存储市场上,存储分类(如下表一)根据服务器类型分为:封闭系统的存储和开放系统的存储,封闭系统主要指大型机,AS400等服务 [Read More]

For tomcat benchmark testing

Tomcat Configuration 查看一下可以配置的参数设置JVM的参数Setting JVM Options for Tomcat Edit the /usr/locat/apache-tomcat/bin/catalina.sh file and add the JVM options to the JAVA_OPTS environment variable.JVM Option Value Description -Xmx 4g The maximum Java heap size. -Xms 4g The initial Java heap size. -Xmn 1g The size of young generation. [Read More]

Top 25 OSS Projects on Jan 2009

This list is from SourceForge.net. You may have the question: How do we adapt open source? My answer might be you just should use them as much as you can. The world is facing economic crisis, you have to saving your budget. How do you deal with that? It’s time to think about OSS now. 1. Shine J2EE Framework 开发框架 http://j2sos.org/ http://sourceforge.net/projects/shine-app Shine is a Java-J2EE Application [Read More]

Xen quick start guide on openSuSE Linux 10.3

If you had installed VMWare workstation on any Linux, you may have kernel source problem. Because a default Linux installation do not include kernel source package. I’m just saying that you should always play with open source Virtualization, Xen or Virtial Box are all good stuff to run ;) . I got some screen-shots for you if you don’t have idea how do install Xen. The true is Xen is faster then VMWare on my laptop. [Read More]

Running Linux from any machine without installation

Slax - your pocket operating system Slax is a modern, portable, small and fast Linux operating system with a modular approach and outstanding design. Despite its small size, Slax provides a wide collection of pre-installed software for daily use, including a well organized graphical user interface and useful recovery tools for system administrators. The modular approach gives you the ability to include any other software in Slax easily. If you're [Read More]

What is Google Infrastructure?

If you have no idea, you should read this post “Google spotlights data center inner workings”. There are some notes I took as blowing. Google Infrastructure: * clusters of 1,800 servers are pretty routine. * an ordinary Google search query that involves 700 to 1,000 servers * puts 40 servers in each rack * Google has 36 data centers across the globe; Google has more than 200,000 servers; growing every [Read More]

Enterprise cloud computing

http://www.datacenterknowledge.com/ 这个网站还是不错,有很多关于数据中心的知识。它应该主要是收集业内在该领域里新咨询,先收录一下,回头慢慢学习。 这个vido我觉得也可以学习一 [Read More]

Install Oracle 10.2.01 on OpenSuSE 10.3

A) Download 10201_database_linux32.zip from Oracle website. B) Download 10gR2_openSUSE102_introduction.pdf and ora.rpm from ftp ftp.novelŀcom C) Install Oracle, following quick steps: 1. Install openSUSE 10.2 with “C/C++ Development” selection. 2. Download and Install orarun package. 3. Enable and set password for newly created user oracle by orarun. 4. Set updated kernel parameters by executing /etc/init.d/oracle start. 5. Download and [Read More]