{"id":62267,"date":"2025-04-29T12:56:12","date_gmt":"2025-04-29T04:56:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62267\/"},"modified":"2025-04-29T12:56:12","modified_gmt":"2025-04-29T04:56:12","slug":"centos-7%e4%b8%8b%e6%90%ad%e5%bb%baweb%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e7%a3%81%e7%9b%98io%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e6%96%b9%e6%b3%95-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62267\/","title":{"rendered":"CentOS 7\u4e0b\u642d\u5efaweb\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u4f18\u5316\u65b9\u6cd5"},"content":{"rendered":"

7\u4e0b\u642d\u5efaweb\u670d\u52a1\u5668\u7684\u78c1\u76d8io\u6027\u80fd\u4f18\u5316\u65b9\u6cd5<\/p>\n

\u6458\u8981\uff1a\u672c\u6587\u5c06\u4ecb\u7ecd\u5728CentOS 7\u64cd\u4f5c\u7cfb\u7edf\u4e0b\uff0c\u5982\u4f55\u642d\u5efa\u548c\u4f18\u5316web\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u53c2\u6570\uff0c\u5e76\u4f7f\u7528\u4e00\u4e9b\u6280\u672f\u624b\u6bb5\uff0c\u53ef\u4ee5\u5927\u5e45\u63d0\u5347\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\u3002<\/p>\n

    \n
  1. \u4f18\u5316\u6587\u4ef6\u7cfb\u7edf
    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4f18\u5316\u670d\u52a1\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u5728CentOS 7\u4e2d\uff0c\u670d\u52a1\u5668\u7684\u9ed8\u8ba4\u6587\u4ef6\u7cfb\u7edf\u662fEXT4\uff0c\u4f46\u5b83\u5e76\u4e0d\u662f\u6700\u9002\u5408\u670d\u52a1\u5668\u5e94\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u4f7f\u7528XFS\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u5728\u5904\u7406\u5927\u6587\u4ef6\u548c\u5927\u91cf\u5c0f\u6587\u4ef6\u7684\u80fd\u529b\u4e0a\u66f4\u52a0\u51fa\u8272\u3002<\/li>\n<\/ol>\n

    \u5728\u5b89\u88c5CentOS 7\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u624b\u52a8\u5206\u533a\uff0c\u5e76\u9009\u62e9XFS\u6587\u4ef6\u7cfb\u7edf\u4f5c\u4e3a\u6839\u5206\u533a\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u5982\u679c\u5df2\u7ecf\u5b89\u88c5\u4e86CentOS 7\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u683c\u5f0f\u5316\u6839\u5206\u533a\u5e76\u5c06\u5176\u6539\u4e3aXFS\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n

    \u5b89\u88c5XFS\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n

    yum install xfsprogs<\/h1>\n

    \u5c06\u6839\u5206\u533a\u6539\u4e3aXFS\u6587\u4ef6\u7cfb\u7edf\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n

    mkfs.xfs \/dev\/sda1<\/h1>\n
      \n
    1. \u914d\u7f6e\u78c1\u76d8\u8c03\u5ea6\u5668
      \u78c1\u76d8\u8c03\u5ea6\u5668\u51b3\u5b9a\u4e86\u78c1\u76d8IO\u8bf7\u6c42\u7684\u6267\u884c\u987a\u5e8f\uff0c\u4e0d\u540c\u7684\u78c1\u76d8\u8c03\u5ea6\u5668\u5bf9\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u786c\u4ef6\u914d\u7f6e\u6709\u4e0d\u540c\u7684\u6027\u80fd\u5f71\u54cd\u3002\u5728CentOS 7\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u6539\u53d8\u78c1\u76d8\u8c03\u5ea6\u5668\u6765\u63d0\u5347\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u3002<\/li>\n<\/ol>\n

      \u5e38\u89c1\u7684\u78c1\u76d8\u8c03\u5ea6\u5668\u6709CFQ\u3001Deadline\u548cNOOP\u3002\u5728\u670d\u52a1\u5668\u5e94\u7528\u4e2d\uff0cDeadline\u8c03\u5ea6\u5668\u5f80\u5f80\u5177\u6709\u8f83\u597d\u7684\u6027\u80fd\u8868\u73b0\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\u6765\u6539\u53d8\u78c1\u76d8\u8c03\u5ea6\u5668\uff1a<\/p>\n

      vi \/etc\/udev\/rules.d\/60-schedulers.rules<\/h1>\n

      \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

      set cfq scheduler for sda<\/h1>\n

      ACTION==”add|change”, KERNEL==”sda”, ATTR{queue\/scheduler}=”deadline”<\/p>\n

      \u7136\u540e\uff0c\u91cd\u542f\u670d\u52a1\u5668\u4ee5\u4f7f\u4fee\u6539\u751f\u6548\u3002<\/p>\n

        \n
      1. \u914d\u7f6eRAID
        RAID\u6280\u672f\u53ef\u4ee5\u901a\u8fc7\u5c06\u591a\u4e2a\u78c1\u76d8\u7ec4\u5408\u6210\u4e00\u4e2a\u903b\u8f91\u9a71\u52a8\u5668\uff0c\u63d0\u5347\u78c1\u76d8IO\u7684\u8bfb\u5199\u6027\u80fd\u548c\u5bb9\u9519\u80fd\u529b\u3002\u5728CentOS 7\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u914d\u7f6e\u8f6f\u4ef6RAID\u6765\u8fbe\u5230\u8fd9\u4e2a\u76ee\u7684\u3002<\/li>\n<\/ol>\n

        \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5mdadm\u5de5\u5177\uff1a<\/p>\n

        yum install mdadm<\/h1>\n

        \u7136\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efaRAID 0\u6216RAID 10\uff1a<\/p>\n

        mdadm –create \/dev\/md0 –level=0 –raid-devices=2 \/dev\/sdb1 \/dev\/sdc1<\/h1>\n

        \u521b\u5efa\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u683c\u5f0f\u5316\u5e76\u6302\u8f7dRAID\u8bbe\u5907\uff1a<\/p>\n

        mkfs.ext4 \/dev\/md0<\/h1>\n

        mount \/dev\/md0 \/mnt\/raid<\/h1>\n

        \u4e3a\u4e86\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u6302\u8f7dRAID\u8bbe\u5907\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\uff1a<\/p>\n

        vi \/etc\/fstab<\/h1>\n

        \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

        \/dev\/md0 \/mnt\/raid ext4 defaults 0 0<\/p>\n

          \n
        1. \u4f7f\u7528SSD
          \u56fa\u6001\u786c\u76d8\uff08SSD\uff09\u76f8\u6bd4\u4f20\u7edf\u673a\u68b0\u786c\u76d8\u5177\u6709\u66f4\u5feb\u7684\u8bfb\u5199\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u5728\u642d\u5efaweb\u670d\u52a1\u5668\u65f6\uff0c\u5982\u679c\u9884\u7b97\u5141\u8bb8\uff0c\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u4f7f\u7528SSD\u6765\u63d0\u5347\u78c1\u76d8IO\u6027\u80fd\u3002<\/li>\n<\/ol>\n

          \u53ef\u4ee5\u5c06\u64cd\u4f5c\u7cfb\u7edf\u548c\u5173\u952e\u5e94\u7528\u7a0b\u5e8f\u5b89\u88c5\u5728SSD\u4e0a\uff0c\u800c\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4f20\u7edf\u673a\u68b0\u786c\u76d8\u4e0a\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u4fdd\u8bc1\u8bfb\u53d6\u901f\u5ea6\u7684\u60c5\u51b5\u4e0b\uff0c\u964d\u4f4e\u6210\u672c\u3002<\/p>\n

            \n
          1. \u4f7f\u7528\u7f13\u5b58\u6280\u672f
            \u7f13\u5b58\u6280\u672f\u53ef\u4ee5\u5c06\u78c1\u76d8IO\u7684\u8bfb\u5199\u64cd\u4f5c\u8f6c\u5316\u4e3a\u5185\u5b58\u64cd\u4f5c\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u54cd\u5e94\u901f\u5ea6\u3002\u5728CentOS 7\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u6216Memcached\u7b49\u5de5\u5177\u6765\u5b9e\u73b0\u7f13\u5b58\u3002<\/li>\n<\/ol>\n

            \u4ee5Redis\u4e3a\u4f8b\uff0c\u9996\u5148\u6211\u4eec\u9700\u8981\u5b89\u88c5Redis\u670d\u52a1\u5668\uff1a<\/p>\n

            yum install redis<\/h1>\n

            \u7136\u540e\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\u4ee5\u5f00\u542fRedis\u7684\u7f13\u5b58\u529f\u80fd\uff1a<\/p>\n

            vi \/etc\/redis.conf<\/h1>\n

            \u627e\u5230\u4ee5\u4e0b\u884c\u5e76\u4fee\u6539\uff1a<\/p>\n

            maxmemory <\/h1>\n

            maxmemory-policy noeviction<\/h1>\n

            \u5c06\u5176\u6539\u4e3a\uff1a<\/p>\n

            maxmemory 1GB
            maxmemory-policy volatile-lru<\/p>\n

            \u91cd\u65b0\u542f\u52a8Redis\u4ee5\u4f7f\u4fee\u6539\u751f\u6548\u3002<\/p>\n

            \u7ed3\u8bba\uff1a
            \u901a\u8fc7\u5408\u7406\u914d\u7f6e\u6587\u4ef6\u7cfb\u7edf\u3001\u78c1\u76d8\u8c03\u5ea6\u5668\u3001RAID\u3001\u4f7f\u7528SSD\u548c\u7f13\u5b58\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u5728CentOS 7\u4e0b\u6709\u6548\u5730\u63d0\u5347web\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u3002\u901a\u8fc7\u4f18\u5316\u78c1\u76d8IO\u6027\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\uff0c\u4ece\u800c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n

            \u4ee5\u4e0a\u5c31\u662fCentOS 7\u4e0b\u642d\u5efaweb\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u4f18\u5316\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

            7\u4e0b\u642d\u5efaweb\u670d\u52a1\u5668\u7684\u78c1\u76d8io\u6027\u80fd\u4f18\u5316\u65b9\u6cd5 \u6458\u8981\uff1a\u672c\u6587\u5c06\u4ecb\u7ecd\u5728CentOS 7\u64cd\u4f5c\u7cfb\u7edf\u4e0b\uff0c\u5982\u4f55\u642d\u5efa\u548c\u4f18\u5316web\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u53c2\u6570\uff0c\u5e76\u4f7f\u7528\u4e00\u4e9b\u6280\u672f\u624b\u6bb5\uff0c\u53ef\u4ee5\u5927\u5e45\u63d0\u5347\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\u3002 \u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4f18\u5316\u670d\u52a1\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u5728CentOS 7\u4e2d\uff0c\u670d\u52a1\u5668\u7684\u9ed8\u8ba4\u6587\u4ef6\u7cfb\u7edf\u662fEXT4\uff0c\u4f46\u5b83\u5e76\u4e0d\u662f\u6700\u9002\u5408\u670d\u52a1\u5668\u5e94\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u4f7f\u7528XFS\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u5728\u5904\u7406\u5927\u6587\u4ef6\u548c\u5927\u91cf\u5c0f\u6587\u4ef6\u7684\u80fd\u529b\u4e0a\u66f4\u52a0\u51fa\u8272\u3002 \u5728\u5b89\u88c5CentOS 7\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u624b\u52a8\u5206\u533a\uff0c\u5e76\u9009\u62e9XFS\u6587\u4ef6\u7cfb\u7edf\u4f5c\u4e3a\u6839\u5206\u533a\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u5982\u679c\u5df2\u7ecf\u5b89\u88c5\u4e86CentOS 7\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u683c\u5f0f\u5316\u6839\u5206\u533a\u5e76\u5c06\u5176\u6539\u4e3aXFS\u6587\u4ef6\u7cfb\u7edf\u3002 \u5b89\u88c5XFS\u547d\u4ee4\u5982\u4e0b\uff1a yum install xfsprogs \u5c06\u6839\u5206\u533a\u6539\u4e3aXFS\u6587\u4ef6\u7cfb\u7edf\u7684\u547d\u4ee4\u5982\u4e0b\uff1a mkfs.xfs \/dev\/sda1 \u914d\u7f6e\u78c1\u76d8\u8c03\u5ea6\u5668\u78c1\u76d8\u8c03\u5ea6\u5668\u51b3\u5b9a\u4e86\u78c1\u76d8IO\u8bf7\u6c42\u7684\u6267\u884c\u987a\u5e8f\uff0c\u4e0d\u540c\u7684\u78c1\u76d8\u8c03\u5ea6\u5668\u5bf9\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u786c\u4ef6\u914d\u7f6e\u6709\u4e0d\u540c\u7684\u6027\u80fd\u5f71\u54cd\u3002\u5728CentOS 7\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u6539\u53d8\u78c1\u76d8\u8c03\u5ea6\u5668\u6765\u63d0\u5347\u670d\u52a1\u5668\u7684\u78c1\u76d8IO\u6027\u80fd\u3002 \u5e38\u89c1\u7684\u78c1\u76d8\u8c03\u5ea6\u5668\u6709CFQ\u3001Deadline\u548cNOOP\u3002\u5728\u670d\u52a1\u5668\u5e94\u7528\u4e2d\uff0cDeadline\u8c03\u5ea6\u5668\u5f80\u5f80\u5177\u6709\u8f83\u597d\u7684\u6027\u80fd\u8868\u73b0\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\u6765\u6539\u53d8\u78c1\u76d8\u8c03\u5ea6\u5668\uff1a vi \/etc\/udev\/rules.d\/60-schedulers.rules \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a set cfq scheduler for sda ACTION==”add|change”, KERNEL==”sda”, ATTR{queue\/scheduler}=”deadline” \u7136\u540e\uff0c\u91cd\u542f\u670d\u52a1\u5668\u4ee5\u4f7f\u4fee\u6539\u751f\u6548\u3002 \u914d\u7f6eRAIDRAID\u6280\u672f\u53ef\u4ee5\u901a\u8fc7\u5c06\u591a\u4e2a\u78c1\u76d8\u7ec4\u5408\u6210\u4e00\u4e2a\u903b\u8f91\u9a71\u52a8\u5668\uff0c\u63d0\u5347\u78c1\u76d8IO\u7684\u8bfb\u5199\u6027\u80fd\u548c\u5bb9\u9519\u80fd\u529b\u3002\u5728CentOS 7\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u914d\u7f6e\u8f6f\u4ef6RAID\u6765\u8fbe\u5230\u8fd9\u4e2a\u76ee\u7684\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5mdadm\u5de5\u5177\uff1a yum install mdadm \u7136\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efaRAID 0\u6216RAID 10\uff1a mdadm –create \/dev\/md0 –level=0 –raid-devices=2 \/dev\/sdb1 \/dev\/sdc1 \u521b\u5efa\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u683c\u5f0f\u5316\u5e76\u6302\u8f7dRAID\u8bbe\u5907\uff1a mkfs.ext4 \/dev\/md0 mount \/dev\/md0 \/mnt\/raid \u4e3a\u4e86\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u6302\u8f7dRAID\u8bbe\u5907\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\uff1a vi \/etc\/fstab 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