图文阐释-DAS-NAS-SAN

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等服务器, 开放系 [阅读全文]

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 TomcatEdit 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.-XX:+UseParallelGC – To use parallel [阅读全文]

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://j [阅读全文]

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. I would not work with VMWare anymore.My laptop is a DELL D630 with openSuSE Linux 10.3 and XP (just for work).**1) Install Xen packages via yast from DVD.**

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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 day. Google largely builds its own [阅读全文]

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.novelŀcomC) 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 unzip Oracle 10gR2 Database SW.Edit [阅读全文]