开源服务器的时代真到了?

Facebook公司的数据中心运营总监,在昨天早晨发表了关于如何优化数据中心运维的演讲。从硬件方面看,为了满足它们巨大的用量,她们不得不把精力完全放到硬件的服务提供性上,说白了“黑猫,白猫,能捉到耗子的就是好猫”,因此她们被逼去自己从服务器硬件设计开始构造自己的数据中心神殿。

今天广为关注的的新闻末过Facebook的单人管理上万服务器。上网看了一下此新闻的出处:http://www.datacenterknowledge.com/archives/2013/11/20/facebook-ops-staffer-manages-20000-servers/  本文的描述如下:Delfina Eberly, Director of Data Center Operations, Facebook, presented the Tuesday morning keynote about optimizing data center operations. In terms of hardware, Facebook, because it runs such an enormous volume of servers, focuses on serviceability, including starting from the ground up by influencing server design to ensure easiest and least time consuming methods to repair equipment in the data hall.

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德克虏伯大炮VS清红衣大炮

德克虏伯大炮:特点射程远,能360度旋转,能把上下调整仰角,炮弹的辐射面积非常广,操作复杂,需要高技能的操作手。操作弹性大。安装部署需要时间 [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]