{"id":51902,"date":"2024-12-03T10:18:21","date_gmt":"2024-12-03T02:18:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51902\/"},"modified":"2024-12-03T10:18:21","modified_gmt":"2024-12-03T02:18:21","slug":"%e5%a6%82%e4%bd%95%e8%b0%83%e4%bc%98%e5%92%8c%e4%bc%98%e5%8c%96linux%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%ad%98%e5%82%a8%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51902\/","title":{"rendered":"\u5982\u4f55\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u6027\u80fd"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u6027\u80fd<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300a\u5982\u4f55\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u6027\u80fd\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n

\u5982\u4f55\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u6027\u80fd<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5b58\u50a8\u6027\u80fd\u662f\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\uff0c\u5bf9\u4e8e\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u548c\u54cd\u5e94\u80fd\u529b\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u5b58\u50a8\u6027\u80fd\u7684\u65b9\u6cd5\u548c\u6280\u5de7\u3002<\/p>\n

    \n
  1. \u4f7f\u7528\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf
    \u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u5bf9\u4e8e\u9ad8\u6027\u80fd\u7684\u5b58\u50a8\u81f3\u5173\u91cd\u8981\u3002\u5e38\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u5982ext4\u3001XFS\u3001Btrfs\u7b49\u90fd\u662f\u53ef\u9760\u4e14\u5177\u6709\u8f83\u597d\u6027\u80fd\u7684\u9009\u62e9\u3002\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u5728\u5904\u7406\u5927\u6587\u4ef6\u3001\u5c0f\u6587\u4ef6\u3001\u8bfb\u5199\u64cd\u4f5c\u7b49\u65b9\u9762\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u8868\u73b0\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u6700\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n
  2. \u4f7f\u7528RAID
    RAID\uff08\u5197\u4f59\u78c1\u76d8\u9635\u5217\uff09\u6280\u672f\u53ef\u4ee5\u63d0\u4f9b\u6570\u636e\u5197\u4f59\u548c\u6027\u80fd\u63d0\u5347\u3002\u901a\u8fc7\u5c06\u591a\u4e2a\u78c1\u76d8\u7ec4\u5408\u6210\u4e00\u4e2a\u903b\u8f91\u78c1\u76d8\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u8bfb\u5199\u6027\u80fd\u3002\u5e38\u89c1\u7684RAID\u7ea7\u522b\u6709RAID 0\u3001RAID 1\u3001RAID 5\u3001RAID 6\u7b49\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684RAID\u7ea7\u522b\u3002<\/li>\n
  3. \u9002\u5f53\u8c03\u6574I\/O\u8c03\u5ea6\u7b97\u6cd5
    Linux\u7cfb\u7edf\u4e2d\u6709\u591a\u79cdI\/O\u8c03\u5ea6\u7b97\u6cd5\u53ef\u4f9b\u9009\u62e9\uff0c\u5982CFQ\u3001Deadline\u3001NOOP\u7b49\u3002\u4e0d\u540c\u7684\u8c03\u5ea6\u7b97\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5b58\u50a8\u8bbf\u95ee\u6a21\u5f0f\u3002\u5bf9\u4e8e\u5927\u90e8\u5206\u5e94\u7528\u573a\u666f\u6765\u8bf4\uff0cCFQ\u7b97\u6cd5\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff0c\u5b83\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7684\u8fdb\u7a0b\u63d0\u4f9b\u516c\u5e73\u7684I\/O\u8bbf\u95ee\u3002<\/li>\n
  4. \u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u9009\u9879
    \u5728\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u4e00\u4e9b\u9009\u9879\u6765\u4f18\u5316I\/O\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528noatime\u9009\u9879\u6765\u5173\u95ed\u6587\u4ef6\u7684\u8bbf\u95ee\u65f6\u95f4\u8bb0\u5f55\uff0c\u51cf\u5c11\u989d\u5916\u7684I\/O\u64cd\u4f5c\uff1b\u4f7f\u7528barrier\u9009\u9879\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\uff0c\u4f46\u4f1a\u5bf9\u6027\u80fd\u4ea7\u751f\u4e00\u5b9a\u5f71\u54cd\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6743\u8861\u3002<\/li>\n
  5. \u5408\u7406\u914d\u7f6e\u78c1\u76d8\u7f13\u5b58
    \u5408\u7406\u914d\u7f6e\u78c1\u76d8\u7f13\u5b58\u53ef\u4ee5\u63d0\u9ad8\u8bfb\u5199\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528blockdev\u547d\u4ee4\u7981\u7528\u6216\u542f\u7528\u78c1\u76d8\u7f13\u5b58\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/sys\/block\/<device>\/queue\/read_ahead_kb\u6587\u4ef6\u6765\u8c03\u6574\u9884\u8bfb\u53d6\u7684\u6570\u636e\u5757\u5927\u5c0f\u3002<\/li>\n
  6. \u6ce8\u610f\u78c1\u76d8\u5206\u533a
    \u5408\u7406\u5206\u533a\u53ef\u4ee5\u63d0\u9ad8\u78c1\u76d8\u8bfb\u5199\u6027\u80fd\u3002\u8f83\u5927\u4e14\u8fde\u7eed\u7684\u6570\u636e\u5757\u5bf9\u4e8e\u78c1\u76d8\u8bfb\u53d6\u64cd\u4f5c\u66f4\u4e3a\u9ad8\u6548\u3002\u6b64\u5916\uff0c\u5c06\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u653e\u5728\u4e0d\u540c\u7684\u5206\u533a\u4e2d\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u6587\u4ef6\u7684\u589e\u957f\u548c\u5f15\u8d77\u7684\u788e\u7247\u3002<\/li>\n
  7. \u4f7f\u7528\u78c1\u76d8\u8c03\u4f18\u5de5\u5177
    Linux\u7cfb\u7edf\u4e2d\u6709\u4e00\u4e9b\u78c1\u76d8\u8c03\u4f18\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8c03\u6574\u548c\u4f18\u5316\u5b58\u50a8\u6027\u80fd\u3002\u4f8b\u5982\uff0chdparm\u53ef\u4ee5\u663e\u793a\u548c\u914d\u7f6e\u786c\u76d8\u7684\u53c2\u6570\uff0csmartmontools\u53ef\u4ee5\u63d0\u4f9b\u78c1\u76d8\u5065\u5eb7\u72b6\u6001\u548cSMART\u4fe1\u606f\uff0cfio\u53ef\u4ee5\u8fdb\u884c\u78c1\u76d8\u6027\u80fd\u6d4b\u8bd5\u7b49\u3002<\/li>\n
  8. \u5b9a\u671f\u6e05\u7406\u65e0\u7528\u6587\u4ef6
    \u5b9a\u671f\u6e05\u7406\u65e0\u7528\u7684\u6587\u4ef6\u53ef\u4ee5\u91ca\u653e\u78c1\u76d8\u7a7a\u95f4\uff0c\u5e76\u63d0\u9ad8\u78c1\u76d8\u7684\u8bfb\u5199\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7edf\u81ea\u5e26\u7684\u547d\u4ee4\u5982rm\u3001find\u7b49\uff0c\u6216\u8005\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\u5982bleachbit\u8fdb\u884c\u6e05\u7406\u3002<\/li>\n<\/ol>\n

    \u603b\u800c\u8a00\u4e4b\uff0c\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u6027\u80fd\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u3001\u4f7f\u7528\u5408\u7406\u7684RAID\u7ea7\u522b\u3001\u914d\u7f6e\u9002\u5f53\u7684I\/O\u8c03\u5ea6\u7b97\u6cd5\u3001\u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u9009\u9879\u7b49\u3002\u901a\u8fc7\u5408\u7406\u7684\u914d\u7f6e\u548c\u8c03\u6574\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8Linux\u7cfb\u7edf\u7684\u5b58\u50a8\u6027\u80fd\u548c\u54cd\u5e94\u80fd\u529b\u3002<\/p>\n

    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u8c03\u4f18\u548c\u4f18\u5316Linux\u7cfb\u7edf\u4e2d\u7684\u5b58\u50a8\u6027\u80fd\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n

    \n
    <\/dt>\n
    \n \u5982\u4f55\u5728Go\u8bed\u8a00\u4e2d\u4f7f\u7528fn\u51fd\u6570\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

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