请教为何 redhat7 在虚拟机里,没有 2012 来的运行流畅? - V2EX
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jahan

请教为何 redhat7 在虚拟机里,没有 2012 来的运行流畅?

  •  
  •   jahan Mar 22, 2018 2900 views
    This topic created in 2961 days ago, the information mentioned may be changed or developed.

    虚拟机,同样的 4g 内存,1 个 cpu (好像分配两个线程反而会变慢),2012 明显流畅很多,redhat 显得慢半拍,难道不是应该 linux 作业调度更好吗? 另外,运行一个程序,感觉 8g 的 i7 osx 比 32g,e3 的 win10 貌似要快不少,这又是为什么呢?

    7 replies    2018-03-22 07:48:05 +08:00
    churchmice
        1
    churchmice  
       Mar 22, 2018 via Android
    你要用 redhat7 对标 2012 不公平,应该是 win98,谨慎怀疑你 Linux 下的 dma 没打开,驱动没装好,你可以 dd 测试下
    jahan
        2
    jahan  
    OP
       Mar 22, 2018
    @churchmice 原来 redhat7 的理念这么差。。。。
    jahan
        3
    jahan  
    OP
       Mar 22, 2018
    可是 dd 就一个拷贝命令能测试什么呢
    jahan
        4
    jahan  
    OP
       Mar 22, 2018
    话说 redhat7 应该是最新的版本啊,不至于这么差吧
    squid157
        5
    squid157  
       Mar 22, 2018 via iPad
    @jahan RedHat 7 or RHEL 7?
    plko345
        6
    plko345  
       Mar 22, 2018 via Android
    @jahan 可以检测磁盘 io 吧,你装的是 rhel7 吧,安装细节呢?
    jahan
        7
    jahan  
    OP
       Mar 22, 2018
    @squid157 rhel7.
    @plko345 gui server 安装,基本一路 next
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