Linux系统下NUMA的详解

         NUMA(Non-Uniform Memory Access)字面直译为“非一致性内存访问”,对于Linux内核来说最早出现在2.6.7版本上。这种特性对于当下大内存+多CPU为潮流的X86平台来说确实会有不少的性能提升,但相反的,如果配置不当的话,也是一个很大的坑。本文就从头开始说说Linux下关于CPU NUMA特性...

       时间 : 2014-11-30| 栏目 : 性能优化| 浏览 : 2,149 次| 评论 : 标签: [阅读全文]

    Linux命令行的使用

    一、命令补全 命令补全是指当用户输入的字符足以确定当前目录中的唯一文件、目录或者命令时,只须按一次Tab键或者按两次Esc键就可以自动补全剩下的部分。如果输入的字符不足以确定文件、目录或者命令时,系统会发出警告声,这时再按一次Tab键或两次Esc键,这个功能在输入一些长文件名或者记不清文件的完整名称时尤其有用,我们只需要输入少数几个...

         时间 : 2014-11-30| 栏目 : linux精讲| 浏览 : 1,073 次| 暂无评论 标签: [阅读全文]

      Lessons From A Lifetime Of Being A Progr...

      Over my 3 decades of being a programmer, I have learned a few things. Here are a few goodies. I bet I can make more. Customers only know what they want after they see...

           时间 : 2014-11-28| 栏目 : 提升软实力| 浏览 : 925 次| 暂无评论 标签: [阅读全文]

        Yes I Still Want To Be Doing This at 56

        Do You Really Want To Be Doing This at 50? "But large scale, high stress coding? I may have to admit that's a young man's game." No, it's a stupid person's game (su...

             时间 : 2014-11-28| 栏目 : 提升软实力| 浏览 : 1,179 次| 评论 : 标签: [阅读全文]

          Everything Can't Be A Revolution

          Every time Apple releases something new you read articles where people decry that the new products aren't a revolution, that they didn't reinvent a whole category again. ...

               时间 : 2014-11-28| 栏目 : 提升软实力| 浏览 : 1,226 次| 评论 : 2 标签: [阅读全文]

            What Time Is Tomorrow? Tales From The Ti...

            If you ask most people when today becomes tomorrow, they generally answ