{"id":708,"date":"2016-05-10T20:42:01","date_gmt":"2016-05-10T12:42:01","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=708"},"modified":"2025-01-02T15:44:31","modified_gmt":"2025-01-02T07:44:31","slug":"%e6%b5%85%e8%b0%88linux%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/%e6%b5%85%e8%b0%88linux%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e6%9c%ba%e5%88%b6\/","title":{"rendered":"\u6d45\u8c08Linux\u5185\u5b58\u7ba1\u7406\u673a\u5236"},"content":{"rendered":"

\u7ecf\u5e38\u9047\u5230\u4e00\u4e9b\u521a\u63a5\u89e6Linux<\/a>\u7684\u65b0\u624b\u4f1a\u95ee\u5185\u5b58\u5360\u7528\u600e\u4e48\u90a3\u4e48\u591a\uff1f<\/p>\n

\u5728Linux\u4e2d\u7ecf\u5e38\u53d1\u73b0\u7a7a\u95f2\u5185\u5b58\u5f88\u5c11\uff0c\u4f3c\u4e4e\u6240\u6709\u7684\u5185\u5b58\u90fd\u88ab\u7cfb\u7edf\u5360\u7528\u4e86\uff0c\u8868\u9762\u611f\u89c9\u662f\u5185\u5b58\u4e0d\u591f\u7528\u4e86\uff0c\u5176\u5b9e\u4e0d\u7136\u3002\u8fd9\u662fLinux\u5185\u5b58\u7ba1\u7406\u7684\u4e00\u4e2a\u4f18\u79c0\u7279\u6027\uff0c\u5728\u8fd9\u65b9\u9762\uff0c\u533a\u522b\u4e8eWindows<\/a>\u7684 \u5185\u5b58\u7ba1\u7406\u3002\u4e3b\u8981\u7279\u70b9\u662f\uff0c\u65e0\u8bba\u7269\u7406\u5185\u5b58\u6709\u591a\u5927\uff0cLinux \u90fd\u5c06\u5176\u5145\u4efd\u5229\u7528\uff0c\u5c06\u4e00\u4e9b\u7a0b\u5e8f\u8c03\u7528\u8fc7\u7684\u786c\u76d8\u6570\u636e\u8bfb\u5165\u5185\u5b58\uff0c\u5229\u7528\u5185\u5b58\u8bfb\u5199\u7684\u9ad8\u901f\u7279\u6027\u6765\u63d0\u9ad8Linux\u7cfb\u7edf\u7684\u6570\u636e\u8bbf\u95ee\u6027\u80fd\u3002\u800cWindows\u662f\u53ea\u5728\u9700\u8981\u5185\u5b58\u65f6\uff0c \u624d\u4e3a\u5e94\u7528\u7a0b\u5e8f\u5206\u914d\u5185\u5b58\uff0c\u5e76\u4e0d\u80fd\u5145\u5206\u5229\u7528\u5927\u5bb9\u91cf\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6bcf\u589e\u52a0\u4e00\u4e9b\u7269\u7406\u5185\u5b58\uff0cLinux\u90fd\u5c06\u80fd\u5145\u5206\u5229\u7528\u8d77\u6765\uff0c\u53d1\u6325\u4e86\u786c\u4ef6\u6295\u8d44\u5e26\u6765\u7684\u597d\u5904\uff0c\u800c Windows\u53ea\u5c06\u5176\u505a\u4e3a\u6446\u8bbe\uff0c\u5373\u4f7f\u589e\u52a08GB\u751a\u81f3\u66f4\u5927\u3002<\/p>\n

Linux\u7684\u8fd9\u4e00\u7279\u6027\uff0c\u4e3b\u8981\u662f\u5229\u7528\u7a7a\u95f2\u7684\u7269\u7406\u5185\u5b58\uff0c\u5212\u5206\u51fa\u4e00\u90e8\u4efd\u7a7a\u95f4\uff0c\u505a\u4e3acache\u3001buffers \uff0c\u4ee5\u6b64\u63d0\u9ad8\u6570\u636e\u8bbf\u95ee\u6027\u80fd\u3002<\/p>\n

\u9875\u9ad8\u901f\u7f13\u5b58(cache)\u662fLinux\u5185\u6838\u5b9e\u73b0\u7684\u4e00\u79cd\u4e3b\u8981\u78c1\u76d8\u7f13\u5b58\u3002\u5b83\u4e3b\u8981\u7528\u6765\u51cf\u5c11\u5bf9\u78c1\u76d8\u7684I\/O\u64cd\u4f5c\u3002\u5177\u4f53\u5730\u8bb2\uff0c\u662f\u901a\u8fc7\u628a\u78c1\u76d8\u4e2d\u7684\u6570\u636e\u7f13\u5b58\u5230\u7269\u7406\u5185\u5b58\u4e2d\uff0c\u628a\u5bf9\u78c1\u76d8\u7684\u8bbf\u95ee\u53d8\u4e3a\u5bf9\u7269\u7406 \u5185\u5b58\u7684\u8bbf\u95ee\u3002<\/p>\n

\u78c1\u76d8\u9ad8\u901f\u7f13\u5b58\u7684\u4ef7\u503c\u5728\u4e8e\u4e24\u4e2a\u65b9\u9762\uff1a\u7b2c\u4e00\uff0c\u8bbf\u95ee\u78c1\u76d8\u7684\u901f\u5ea6\u8981\u8fdc\u8fdc\u4f4e\u4e8e\u8bbf\u95ee\u5185\u5b58\u7684\u901f\u5ea6\uff0c\u56e0\u6b64\uff0c\u4ece\u5185\u5b58\u8bbf\u95ee\u6570\u636e\u6bd4\u4ece\u78c1\u76d8\u8bbf\u95ee\u901f\u5ea6\u66f4\u5feb\u3002\u7b2c\u4e8c\uff0c\u6570\u636e\u4e00\u65e6\u88ab\u8bbf\u95ee\uff0c\u5c31\u5f88\u6709\u53ef\u80fd\u5728\u77ed\u671f\u5185\u518d\u6b21\u88ab\u8bbf\u95ee\u5230\u3002<\/p>\n

\u4e0b\u9762\u6765\u4e86\u89e3\u4e0bLinux\u5185\u5b58\u7ba1\u7406\u673a\u5236\uff1a<\/strong><\/p>\n

\u4e00\u3001\u7269\u7406\u5185\u5b58\u548c\u865a\u62df\u5185\u5b58<\/strong><\/p>\n

\u6211\u4eec\u77e5\u9053\uff0c\u76f4\u63a5\u4ece\u7269\u7406\u5185\u5b58\u8bfb\u5199\u6570\u636e\u8981\u6bd4\u4ece\u786c\u76d8\u8bfb\u5199\u6570\u636e\u8981\u5feb\u7684\u591a\uff0c\u56e0\u6b64\uff0c\u6211\u4eec\u5e0c\u671b\u6240\u6709\u6570\u636e\u7684\u8bfb\u53d6\u548c\u5199\u5165\u90fd\u5728\u5185\u5b58\u5b8c\u6210\uff0c\u800c\u5185\u5b58\u662f\u6709\u9650\u7684\uff0c\u8fd9\u6837\u5c31\u5f15\u51fa\u4e86\u7269\u7406\u5185\u5b58\u4e0e\u865a\u62df\u5185\u5b58\u7684\u6982\u5ff5\u3002<\/p>\n

\u7269\u7406\u5185\u5b58\u5c31\u662f\u7cfb\u7edf\u786c\u4ef6\u63d0\u4f9b\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u662f\u771f\u6b63\u7684\u5185\u5b58\uff0c\u76f8\u5bf9\u4e8e\u7269\u7406\u5185\u5b58\uff0c\u5728Linux\u4e0b\u8fd8\u6709\u4e00\u4e2a\u865a\u62df\u5185\u5b58\u7684\u6982\u5ff5\uff0c\u865a\u62df\u5185\u5b58\u5c31\u662f\u4e3a\u4e86\u6ee1\u8db3\u7269\u7406\u5185\u5b58\u7684\u4e0d\u8db3\u800c\u63d0\u51fa\u7684\u7b56\u7565\uff0c\u5b83\u662f\u5229\u7528\u78c1\u76d8\u7a7a\u95f4\u865a\u62df\u51fa\u7684\u4e00\u5757\u903b\u8f91\u5185\u5b58\uff0c\u7528\u4f5c\u865a\u62df\u5185\u5b58\u7684\u78c1\u76d8\u7a7a\u95f4\u88ab\u79f0\u4e3a\u4ea4\u6362\u7a7a\u95f4\uff08Swap Space\uff09\u3002<\/p>\n

\u4f5c\u4e3a\u7269\u7406\u5185\u5b58\u7684\u6269\u5c55\uff0cLinux\u4f1a\u5728\u7269\u7406\u5185\u5b58\u4e0d\u8db3\u65f6\uff0c\u4f7f\u7528\u4ea4\u6362\u5206\u533a\u7684\u865a\u62df\u5185\u5b58\uff0c\u66f4\u8be6\u7ec6\u7684\u8bf4\uff0c\u5c31\u662f\u5185\u6838\u4f1a\u5c06\u6682\u65f6\u4e0d\u7528\u7684\u5185\u5b58\u5757\u4fe1\u606f\u5199\u5230\u4ea4\u6362\u7a7a\u95f4\uff0c\u8fd9\u6837\u4ee5\u6765\uff0c\u7269\u7406\u5185\u5b58\u5f97\u5230\u4e86\u91ca\u653e\uff0c\u8fd9\u5757\u5185\u5b58\u5c31\u53ef\u4ee5\u7528\u4e8e\u5176\u5b83\u76ee\u7684\uff0c\u5f53\u9700\u8981\u7528\u5230\u539f\u59cb\u7684\u5185\u5bb9\u65f6\uff0c\u8fd9\u4e9b\u4fe1\u606f\u4f1a\u88ab\u91cd\u65b0\u4ece\u4ea4\u6362\u7a7a\u95f4\u8bfb\u5165\u7269\u7406\u5185\u5b58\u3002<\/p>\n

Linux\u7684\u5185\u5b58\u7ba1\u7406\u91c7\u53d6\u7684\u662f\u5206\u9875\u5b58\u53d6\u673a\u5236\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u7269\u7406\u5185\u5b58\u80fd\u5f97\u5230\u5145\u5206\u7684\u5229\u7528\uff0c\u5185\u6838\u4f1a\u5728\u9002\u5f53\u7684\u65f6\u5019\u5c06\u7269\u7406\u5185\u5b58\u4e2d\u4e0d\u7ecf\u5e38\u4f7f\u7528\u7684\u6570\u636e\u5757\u81ea\u52a8\u4ea4\u6362\u5230\u865a\u62df\u5185\u5b58\u4e2d\uff0c\u800c\u5c06\u7ecf\u5e38\u4f7f\u7528\u7684\u4fe1\u606f\u4fdd\u7559\u5230\u7269\u7406\u5185\u5b58\u3002<\/p>\n

\u8981\u6df1\u5165\u4e86\u89e3Linux\u5185\u5b58\u8fd0\u884c\u673a\u5236\uff0c\u9700\u8981\u77e5\u9053\u4e0b\u9762\u63d0\u5230\u7684\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

    \n
  1. Linux\u7cfb\u7edf\u4f1a\u4e0d\u65f6\u7684\u8fdb\u884c\u9875\u9762\u4ea4\u6362\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u6301\u5c3d\u53ef\u80fd\u591a\u7684\u7a7a\u95f2\u7269\u7406\u5185\u5b58\uff0c\u5373\u4f7f\u5e76\u6ca1\u6709\u4ec0\u4e48\u4e8b\u60c5\u9700\u8981\u5185\u5b58\uff0cLinux\u4e5f\u4f1a\u4ea4\u6362\u51fa\u6682\u65f6\u4e0d\u7528\u7684\u5185\u5b58\u9875\u9762\u3002\u8fd9\u53ef\u4ee5\u907f\u514d\u7b49\u5f85\u4ea4\u6362\u6240\u9700\u7684\u65f6\u95f4\u3002<\/li>\n
  2. Linux\u8fdb\u884c\u9875\u9762\u4ea4\u6362\u662f\u6709\u6761\u4ef6\u7684\uff0c\u4e0d\u662f\u6240\u6709\u9875\u9762\u5728\u4e0d\u7528\u65f6\u90fd\u4ea4\u6362\u5230\u865a\u62df\u5185\u5b58\uff0cLinux\u5185\u6838\u6839\u636e\u201d\u6700\u8fd1\u6700\u7ecf\u5e38\u4f7f\u7528\u201c\u7b97\u6cd5\uff0c\u4ec5\u4ec5\u5c06\u4e00\u4e9b\u4e0d\u7ecf \u5e38\u4f7f\u7528\u7684\u9875\u9762\u6587\u4ef6\u4ea4\u6362\u5230\u865a\u62df\u5185\u5b58\uff0c\u6709\u65f6\u6211\u4eec\u4f1a\u770b\u5230\u8fd9\u4e48\u4e00\u4e2a\u73b0\u8c61\uff1aLinux\u7269\u7406\u5185\u5b58\u8fd8\u6709\u5f88\u591a\uff0c\u4f46\u662f\u4ea4\u6362\u7a7a\u95f4\u4e5f\u4f7f\u7528\u4e86\u5f88\u591a\u3002\u5176\u5b9e\uff0c\u8fd9\u5e76\u4e0d\u5947\u602a\uff0c\u4f8b\u5982\uff0c\u4e00\u4e2a\u5360 \u7528\u5f88\u5927\u5185\u5b58\u7684\u8fdb\u7a0b\u8fd0\u884c\u65f6\uff0c\u9700\u8981\u8017\u8d39\u5f88\u591a\u5185\u5b58\u8d44\u6e90\uff0c\u6b64\u65f6\u5c31\u4f1a\u6709\u4e00\u4e9b\u4e0d\u5e38\u7528\u9875\u9762\u6587\u4ef6\u88ab\u4ea4\u6362\u5230\u865a\u62df\u5185\u5b58\u4e2d\uff0c\u4f46\u540e\u6765\u8fd9\u4e2a\u5360\u7528\u5f88\u591a\u5185\u5b58\u8d44\u6e90\u7684\u8fdb\u7a0b\u7ed3\u675f\u5e76\u91ca\u653e\u4e86\u5f88\u591a\u5185 \u5b58\u65f6\uff0c\u521a\u624d\u88ab\u4ea4\u6362\u51fa\u53bb\u7684\u9875\u9762\u6587\u4ef6\u5e76\u4e0d\u4f1a\u81ea\u52a8\u7684\u4ea4\u6362\u8fdb\u7269\u7406\u5185\u5b58\uff0c\u9664\u975e\u6709\u8fd9\u4e2a\u5fc5\u8981\uff0c\u90a3\u4e48\u6b64\u523b\u7cfb\u7edf\u7269\u7406\u5185\u5b58\u5c31\u4f1a\u7a7a\u95f2\u5f88\u591a\uff0c\u540c\u65f6\u4ea4\u6362\u7a7a\u95f4\u4e5f\u5728\u88ab\u4f7f\u7528\uff0c\u5c31\u51fa\u73b0\u4e86\u521a\u624d \u6240\u8bf4\u7684\u73b0\u8c61\u4e86\u3002\u5173\u4e8e\u8fd9\u70b9\uff0c\u4e0d\u7528\u62c5\u5fc3\u4ec0\u4e48\uff0c\u53ea\u8981\u77e5\u9053\u662f\u600e\u4e48\u4e00\u56de\u4e8b\u5c31\u53ef\u4ee5\u4e86\u3002<\/li>\n
  3. \u4ea4\u6362\u7a7a\u95f4\u7684\u9875\u9762\u5728\u4f7f\u7528\u65f6\u4f1a\u9996\u5148\u88ab\u4ea4\u6362\u5230\u7269\u7406\u5185\u5b58\uff0c\u5982\u679c\u6b64\u65f6\u6ca1\u6709\u8db3\u591f\u7684\u7269\u7406\u5185\u5b58\u6765\u5bb9\u7eb3\u8fd9\u4e9b\u9875\u9762\uff0c\u5b83\u4eec\u53c8\u4f1a\u88ab\u9a6c\u4e0a\u4ea4\u6362\u51fa\u53bb\uff0c\u5982\u6b64\u4ee5\u6765\uff0c\u865a\u62df\u5185 \u5b58\u4e2d\u53ef\u80fd\u6ca1\u6709\u8db3\u591f\u7a7a\u95f4\u6765\u5b58\u50a8\u8fd9\u4e9b\u4ea4\u6362\u9875\u9762\uff0c\u6700\u7ec8\u4f1a\u5bfc\u81f4Linux\u51fa\u73b0\u5047\u6b7b\u673a\u3001\u670d\u52a1\u5f02\u5e38\u7b49\u95ee\u9898\uff0cLinux\u867d\u7136\u53ef\u4ee5\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u81ea\u884c\u6062\u590d\uff0c\u4f46\u662f\u6062\u590d\u540e\u7684\u7cfb\u7edf \u5df2\u7ecf\u57fa\u672c\u4e0d\u53ef\u7528\u4e86\u3002<\/li>\n<\/ol>\n

    \u56e0\u6b64\uff0c\u5408\u7406\u89c4\u5212\u548c\u8bbe\u8ba1Linux\u5185\u5b58\u7684\u4f7f\u7528\uff0c\u662f\u975e\u5e38\u91cd\u8981\u7684.<\/p>\n

    \u4e8c\u3001\u5185\u5b58\u7684\u76d1\u63a7<\/strong><\/p>\n

    \u4f5c\u4e3a\u4e00\u540dLinux\u7cfb\u7edf\u7ba1\u7406\u5458\uff0c\u76d1\u63a7\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u901a\u8fc7\u76d1\u63a7\u6709\u52a9\u4e8e\u4e86\u89e3\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001\uff0c\u6bd4\u5982\u5185\u5b58\u5360\u7528\u662f\u5426\u6b63\u5e38\uff0c\u5185\u5b58\u662f\u5426\u7d27\u7f3a\u7b49\u7b49\uff0c\u76d1\u63a7\u5185\u5b58\u6700\u5e38\u4f7f\u7528\u7684\u547d\u4ee4\u6709free\u3001top\u7b49\uff0c\u4e0b\u9762\u662f\u67d0\u4e2a\u7cfb\u7edffree\u7684\u8f93\u51fa\uff1a<\/p>\n

      \n
    1. [root@linuxeye\u00a0~]#\u00a0free<\/li>\n
    2. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0total\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0used\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0free\u00a0\u00a0\u00a0\u00a0\u00a0shared\u00a0\u00a0\u00a0\u00a0buffers\u00a0\u00a0\u00a0\u00a0\u00a0cached<\/li>\n
    3. Mem:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03894036\u00a0\u00a0\u00a0\u00a03473544\u00a0\u00a0\u00a0\u00a0\u00a0420492\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a072972\u00a0\u00a0\u00a0\u00a01332348<\/li>\n
    4. -\/+\u00a0buffers\/cache:\u00a0\u00a0\u00a0\u00a02068224\u00a0\u00a0\u00a0\u00a01825812<\/li>\n
    5. Swap:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04095992\u00a0\u00a0\u00a0\u00a0\u00a0906036\u00a0\u00a0\u00a0\u00a03189956<\/li>\n<\/ol>\n

      \u6bcf\u4e2a\u9009\u9879\u7684\u542b\u4e49\uff1a<\/p>\n

      \u7b2c\u4e00\u884c\uff1a<\/p>\n

      total\uff1a\u7269\u7406\u5185\u5b58\u7684\u603b\u5927\u5c0f<\/p>\n

      used\uff1a\u5df2\u7ecf\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/p>\n

      free\uff1a\u7a7a\u95f2\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/p>\n

      shared\uff1a\u591a\u4e2a\u8fdb\u7a0b\u5171\u4eab\u7684\u5185\u5b58\u5927\u5c0f<\/p>\n

      buffers\/cached\uff1a\u78c1\u76d8\u7f13\u5b58\u7684\u5927\u5c0f<\/p>\n

      \u7b2c\u4e8c\u884cMem\uff1a\u4ee3\u8868\u7269\u7406\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/p>\n

      \u7b2c\u4e09\u884c(-\/+ buffers\/cached)\uff1a\u4ee3\u8868\u78c1\u76d8\u7f13\u5b58\u4f7f\u7528\u72b6\u6001<\/p>\n

      \u7b2c\u56db\u884c\uff1aSwap\u8868\u793a\u4ea4\u6362\u7a7a\u95f4\u5185\u5b58\u4f7f\u7528\u72b6\u6001<\/p>\n

      free\u547d\u4ee4\u8f93\u51fa\u7684\u5185\u5b58\u72b6\u6001\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u4e2a\u89d2\u5ea6\u6765\u67e5\u770b\uff1a\u4e00\u4e2a\u662f\u4ece\u5185\u6838\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u4e00\u4e2a\u662f\u4ece\u5e94\u7528\u5c42\u7684\u89d2\u5ea6\u6765\u770b\u7684\u3002<\/p>\n

      \u4ece\u5185\u6838\u7684\u89d2\u5ea6\u6765\u67e5\u770b\u5185\u5b58\u7684\u72b6\u6001<\/strong><\/p>\n

      \u5c31\u662f\u5185\u6838\u76ee\u524d\u53ef\u4ee5\u76f4\u63a5\u5206\u914d\u5230\uff0c\u4e0d\u9700\u8981\u989d\u5916\u7684\u64cd\u4f5c\uff0c\u5373\u4e3a\u4e0a\u9762free\u547d\u4ee4\u8f93\u51fa\u4e2d\u7b2c\u4e8c\u884cMem\u9879\u7684\u503c\uff0c\u53ef\u4ee5\u770b\u51fa\uff0c\u6b64\u7cfb\u7edf\u7269\u7406\u5185\u5b58\u67093894036K\uff0c\u7a7a\u95f2\u7684\u5185\u5b58\u53ea\u6709420492K\uff0c\u4e5f\u5c31\u662f40M\u591a\u4e00\u70b9\uff0c\u6211\u4eec\u6765\u505a\u4e00\u4e2a\u8fd9\u6837\u7684\u8ba1\u7b97\uff1a<\/p>\n

      3894036 \u2013 3473544 = 420492<\/p>\n

      \u5176\u5b9e\u5c31\u662f\u603b\u7684\u7269\u7406\u5185\u5b58\u51cf\u53bb\u5df2\u7ecf\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u5f97\u5230\u7684\u5c31\u662f\u7a7a\u95f2\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f\uff0c\u6ce8\u610f\u8fd9\u91cc\u7684\u53ef\u7528\u5185\u5b58\u503c420492\u5e76\u4e0d\u5305\u542b\u5904\u4e8ebuffers\u548ccached\u72b6\u6001\u7684\u5185\u5b58\u5927\u5c0f\u3002<\/p>\n

      \u5982\u679c\u4f60\u8ba4\u4e3a\u8fd9\u4e2a\u7cfb\u7edf\u7a7a\u95f2\u5185\u5b58\u592a\u5c0f\uff0c\u90a3\u4f60\u5c31\u9519\u4e86\uff0c\u5b9e\u9645\u4e0a\uff0c\u5185\u6838\u5b8c\u5168\u63a7\u5236\u7740\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff0cLinux\u4f1a\u5728\u9700\u8981\u5185\u5b58\u7684\u65f6\u5019\uff0c\u6216\u5728\u7cfb\u7edf\u8fd0\u884c\u9010\u6b65\u63a8\u8fdb\u65f6\uff0c\u5c06buffers\u548ccached\u72b6\u6001\u7684\u5185\u5b58\u53d8\u4e3afree\u72b6\u6001\u7684\u5185\u5b58\uff0c\u4ee5\u4f9b\u7cfb\u7edf\u4f7f\u7528\u3002<\/p>\n

      \u4ece\u5e94\u7528\u5c42\u7684\u89d2\u5ea6\u6765\u770b\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001<\/strong><\/p>\n

      \u4e5f\u5c31\u662fLinux\u4e0a\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u4f7f\u7528\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u5373free\u547d\u4ee4\u7b2c\u4e09\u884c -\/+ buffers\/cached \u7684\u8f93\u51fa\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u6b64\u7cfb\u7edf\u5df2\u7ecf\u4f7f\u7528\u7684\u5185\u5b58\u624d2068224K\uff0c\u800c\u7a7a\u95f2\u7684\u5185\u5b58\u8fbe\u52301825812K\uff0c\u7ee7\u7eed\u505a\u8fd9\u6837\u4e00\u4e2a\u8ba1\u7b97\uff1a<\/p>\n

      420492\uff0b\uff0872972\uff0b1332348\uff09\uff1d1825812<\/p>\n

      \u901a\u8fc7\u8fd9\u4e2a\u7b49\u5f0f\u53ef\u77e5\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ef\u7528\u7684\u7269\u7406\u5185\u5b58\u503c\u662fMem\u9879\u7684free\u503c\u52a0\u4e0abuffers\u548ccached\u503c\u4e4b\u548c\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u4e2afree\u503c\u662f\u5305\u62ecbuffers\u548ccached\u9879\u5927\u5c0f\u7684\uff0c\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\uff0cbuffers\/cached\u5360\u6709\u7684\u5185\u5b58\u662f\u53ef\u7528\u7684\uff0c\u56e0\u4e3abuffers\/cached\u662f\u4e3a\u4e86\u63d0\u9ad8\u6587\u4ef6\u8bfb\u53d6\u7684\u6027\u80fd\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u7528\u5230\u5185\u5b58\u7684\u65f6\u5019\uff0cbuffers\/cached\u4f1a\u5f88\u5feb\u5730\u88ab\u56de\u6536\uff0c\u4ee5\u4f9b\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u3002<\/p>\n

      buffers\u4e0ecached\u7684\u5f02\u540c<\/strong><\/p>\n

      \u5728Linux \u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5148\u5206\u914d\u4e00\u4e9b\u5185\u5b58\uff0c\u5c06\u6570\u636e\u4ece\u78c1\u76d8\u8bfb\u5165\u5230\u8fd9\u4e9b\u5185\u5b58\u4e2d\uff0c\u7136\u540e\u518d\u5c06\u6570\u636e\u5206\u53d1\u7ed9\u5e94\u7528\u7a0b\u5e8f\uff1b\u5f53\u9700\u8981\u5f80\u6587\u4ef6\u4e2d\u5199 \u6570\u636e\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5148\u5206\u914d\u5185\u5b58\u63a5\u6536\u7528\u6237\u6570\u636e\uff0c\u7136\u540e\u518d\u5c06\u6570\u636e\u4ece\u5185\u5b58\u5199\u5230\u78c1\u76d8\u4e0a\u3002\u7136\u800c\uff0c\u5982\u679c\u6709\u5927\u91cf\u6570\u636e\u9700\u8981\u4ece\u78c1\u76d8\u8bfb\u53d6\u5230\u5185\u5b58\u6216\u8005\u7531\u5185\u5b58\u5199\u5165\u78c1\u76d8\u65f6\uff0c\u7cfb\u7edf\u7684\u8bfb\u5199\u6027 \u80fd\u5c31\u53d8\u5f97\u975e\u5e38\u4f4e\u4e0b\uff0c\u56e0\u4e3a\u65e0\u8bba\u662f\u4ece\u78c1\u76d8\u8bfb\u6570\u636e\uff0c\u8fd8\u662f\u5199\u6570\u636e\u5230\u78c1\u76d8\uff0c\u90fd\u662f\u4e00\u4e2a\u5f88\u6d88\u8017\u65f6\u95f4\u548c\u8d44\u6e90\u7684\u8fc7\u7a0b\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cLinux\u5f15\u5165\u4e86buffers\u548c cached\u673a\u5236\u3002<\/p>\n

      buffers\u4e0ecached\u90fd\u662f\u5185\u5b58\u64cd\u4f5c\uff0c\u7528\u6765\u4fdd\u5b58\u7cfb\u7edf\u66fe\u7ecf\u6253\u5f00\u8fc7\u7684\u6587\u4ef6\u4ee5\u53ca\u6587\u4ef6\u5c5e\u6027\u4fe1\u606f\uff0c\u8fd9\u6837\u5f53\u64cd\u4f5c\u7cfb\u7edf\u9700\u8981\u8bfb\u53d6\u67d0\u4e9b\u6587\u4ef6\u65f6\uff0c\u4f1a\u9996\u5148\u5728 buffers\u4e0ecached\u5185\u5b58\u533a\u67e5\u627e\uff0c\u5982\u679c\u627e\u5230\uff0c\u76f4\u63a5\u8bfb\u51fa\u4f20\u9001\u7ed9\u5e94\u7528\u7a0b\u5e8f\uff0c\u5982\u679c\u6ca1\u6709\u627e\u5230\u9700\u8981\u6570\u636e\uff0c\u624d\u4ece\u78c1\u76d8\u8bfb\u53d6\uff0c\u8fd9\u5c31\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684\u7f13\u5b58\u673a\u5236\uff0c\u901a\u8fc7\u7f13 \u5b58\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u64cd\u4f5c\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4f46buffers\u4e0ecached\u7f13\u51b2\u7684\u5185\u5bb9\u5374\u662f\u4e0d\u540c\u7684\u3002<\/p>\n

      buffers\u662f\u7528\u6765\u7f13\u51b2\u5757\u8bbe\u5907\u505a\u7684\uff0c\u5b83\u53ea\u8bb0\u5f55\u6587\u4ef6\u7cfb\u7edf\u7684\u5143\u6570\u636e\uff08metadata\uff09\u4ee5\u53ca tracking in-flight pages\uff0c\u800ccached\u662f\u7528\u6765\u7ed9\u6587\u4ef6\u505a\u7f13\u51b2\u3002\u66f4\u901a\u4fd7\u4e00\u70b9\u8bf4\uff1abuffers\u4e3b\u8981\u7528\u6765\u5b58\u653e\u76ee\u5f55\u91cc\u9762\u6709\u4ec0\u4e48\u5185\u5bb9\uff0c\u6587\u4ef6\u7684\u5c5e\u6027\u4ee5\u53ca\u6743\u9650\u7b49\u7b49\u3002\u800ccached\u76f4\u63a5\u7528\u6765\u8bb0\u5fc6\u6211\u4eec\u6253\u5f00\u8fc7\u7684\u6587\u4ef6\u548c\u7a0b\u5e8f\u3002<\/p>\n

      \u4e3a\u4e86\u9a8c\u8bc1\u6211\u4eec\u7684\u7ed3\u8bba\u662f\u5426\u6b63\u786e\uff0c\u53ef\u4ee5\u901a\u8fc7vi\u6253\u5f00\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6587\u4ef6\uff0c\u770b\u770bcached\u7684\u53d8\u5316\uff0c\u7136\u540e\u518d\u6b21vi\u8fd9\u4e2a\u6587\u4ef6\uff0c\u611f\u89c9\u4e00\u4e0b\u4e24\u6b21\u6253\u5f00\u7684\u901f\u5ea6\u6709\u4f55\u5f02\u540c\uff0c\u662f\u4e0d\u662f\u7b2c\u4e8c\u6b21\u6253\u5f00\u7684\u901f\u5ea6\u660e\u663e\u5feb\u4e8e\u7b2c\u4e00\u6b21\u5462\uff1f<\/p>\n

      \u63a5\u7740\u6267\u884c\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<\/p>\n

        \n
      1. find\u00a0\/*\u00a0-name\u00a0\u00a0*.conf<\/li>\n<\/ol>\n

        \u770b\u770bbuffers\u7684\u503c\u662f\u5426\u53d8\u5316\uff0c\u7136\u540e\u91cd\u590d\u6267\u884cfind\u547d\u4ee4\uff0c\u770b\u770b\u4e24\u6b21\u663e\u793a\u901f\u5ea6\u6709\u4f55\u4e0d\u540c\u3002<\/p>\n

        Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u5b58\u8fd0\u884c\u539f\u7406\uff0c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u662f\u6839\u636e\u670d\u52a1\u5668\u7684\u9700\u6c42\u6765\u8bbe\u8ba1\u7684\uff0c\u4f8b\u5982\u7cfb\u7edf\u7684\u7f13\u51b2\u673a\u5236\u4f1a\u628a\u7ecf\u5e38\u4f7f\u7528\u5230\u7684\u6587\u4ef6\u548c\u6570\u636e\u7f13\u5b58\u5728cached \u4e2d\uff0clinux\u603b\u662f\u5728\u529b\u6c42\u7f13\u5b58\u66f4\u591a\u7684\u6570\u636e\u548c\u4fe1\u606f\uff0c\u8fd9\u6837\u518d\u6b21\u9700\u8981\u8fd9\u4e9b\u6570\u636e\u65f6\u53ef\u4ee5\u76f4\u63a5\u4ece\u5185\u5b58\u4e2d\u53d6\uff0c\u800c\u4e0d\u9700\u8981\u6709\u4e00\u4e2a\u6f2b\u957f\u7684\u78c1\u76d8\u64cd\u4f5c\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u601d\u8def\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6574 \u4f53\u6027\u80fd\u3002<\/p>\n

        \u53c2\u8003\uff1ahttps:\/\/ixdba.blog.51cto.com\/2895551\/541355<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u7ecf\u5e38\u9047\u5230\u4e00\u4e9b\u521a\u63a5\u89e6Linux\u7684\u65b0\u624b\u4f1a\u95ee\u5185\u5b58\u5360\u7528\u600e\u4e48\u90a3\u4e48\u591a\uff1f \u5728Linux\u4e2d\u7ecf\u5e38\u53d1\u73b0\u7a7a\u95f2\u5185\u5b58\u5f88\u5c11\uff0c\u4f3c\u4e4e\u6240\u6709\u7684\u5185\u5b58 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49],"tags":[38,226,114],"class_list":["post-708","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux","tag-swap","tag-114"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=708"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/708\/revisions"}],"predecessor-version":[{"id":8784,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/708\/revisions\/8784"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}