{"id":51965,"date":"2024-12-03T17:47:49","date_gmt":"2024-12-03T09:47:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51965\/"},"modified":"2024-12-03T17:47:49","modified_gmt":"2024-12-03T09:47:49","slug":"%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86linux%e7%b3%bb%e7%bb%9f%e4%b8%ad%e9%a2%91%e7%b9%81%e5%87%ba%e7%8e%b0%e7%9a%84%e5%86%85%e5%ad%98%e8%80%97%e5%b0%bd%e9%97%ae%e9%a2%98-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51965\/","title":{"rendered":"\u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898"},"content":{"rendered":"

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

\u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898<\/h1>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

\u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5185\u5b58\u8017\u5c3d\u662f\u4e00\u4e2a\u7ecf\u5e38\u51fa\u73b0\u7684\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u670d\u52a1\u5668\u4e0a\u548c\u8d44\u6e90\u4f7f\u7528\u8f83\u9ad8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5f53\u7cfb\u7edf\u5185\u5b58\u8017\u5c3d\u65f6\uff0c\u7cfb\u7edf\u6027\u80fd\u5c06\u53d7\u5230\u4e25\u91cd\u5f71\u54cd\uff0c\u5f88\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u751a\u81f3\u65e0\u6cd5\u542f\u52a8\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898\u7684\u65b9\u6cd5\u3002<\/p>\n

\u4e00\u3001\u4e86\u89e3\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u201cfree -m\u201d\u6765\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u72b6\u6001\u3002\u8be5\u547d\u4ee4\u5c06\u4f1a\u663e\u793a\u7cfb\u7edf\u7684\u53ef\u7528\u5185\u5b58\u3001\u5df2\u4f7f\u7528\u7684\u5185\u5b58\u4ee5\u53ca\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002\u5982\u679c\u53ef\u7528\u5185\u5b58\u975e\u5e38\u4f4e\uff0c\u800c\u88ab\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u5360\u7528\u4e86\u5927\u91cf\u5185\u5b58\uff0c\u90a3\u4e48\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002<\/p>\n

\u4e8c\u3001\u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f<\/p>\n

\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u5728\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u672a\u80fd\u6b63\u786e\u91ca\u653e\u5df2\u5206\u914d\u7684\u5185\u5b58\uff0c\u5bfc\u81f4\u5185\u5b58\u5360\u7528\u4e0d\u65ad\u589e\u52a0\u3002\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u7cfb\u7edf\u7684\u8fdb\u7a0b\u548c\u670d\u52a1\u6765\u68c0\u67e5\u662f\u5426\u53d1\u751f\u4e86\u5185\u5b58\u6cc4\u6f0f\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u201ctop\u201d\u6216\u201chtop\u201d\u6765\u67e5\u770b\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u5982\u679c\u67d0\u4e2a\u8fdb\u7a0b\u6216\u670d\u52a1\u5360\u7528\u4e86\u5927\u91cf\u7684\u5185\u5b58\uff0c\u90a3\u4e48\u5f88\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n

\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u627e\u51fa\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u7684\u7a0b\u5e8f\u6216\u670d\u52a1\uff0c\u5e76\u4fee\u590d\u5b83\u4eec\u3002\u901a\u5e38\uff0c\u5185\u5b58\u6cc4\u6f0f\u662f\u7531\u4e8e\u7a0b\u5e8f\u903b\u8f91\u9519\u8bef\u6216\u8d44\u6e90\u7ba1\u7406\u4e0d\u5f53\u5bfc\u81f4\u7684\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u5b58\u5206\u6790\u5de5\u5177\u5982Valgrind\u6216GDB\u6765\u5b9a\u4f4d\u5185\u5b58\u6cc4\u6f0f\u7684\u95ee\u9898\uff0c\u5e76\u6839\u636e\u5177\u4f53\u7684\u60c5\u51b5\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\uff0c\u4f8b\u5982\u91ca\u653e\u672a\u4f7f\u7528\u7684\u5185\u5b58\u3001\u4f18\u5316\u5185\u5b58\u5206\u914d\u7b49\u3002<\/p>\n

\u4e09\u3001\u4f18\u5316\u5185\u5b58\u4f7f\u7528<\/p>\n

\u9664\u4e86\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u6765\u51cf\u5c11\u5185\u5b58\u8017\u5c3d\u7684\u98ce\u9669\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n

    \n
  1. \u5408\u7406\u5206\u914d\u5185\u5b58\uff1a\u5bf9\u4e8e\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\uff0c\u5e94\u8be5\u6839\u636e\u5b9e\u9645\u9700\u8981\u5408\u7406\u5206\u914d\u5185\u5b58\u3002\u5982\u679c\u5185\u5b58\u5206\u914d\u8fc7\u591a\uff0c\u4f1a\u5bfc\u81f4\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u83b7\u5f97\u8db3\u591f\u7684\u5185\u5b58\uff0c\u4ece\u800c\u5f15\u53d1\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002<\/li>\n
  2. \u9650\u5236\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\uff1a\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982ulimit\u6765\u9650\u5236\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u67d0\u4e2a\u8fdb\u7a0b\u5360\u7528\u8fc7\u591a\u7684\u5185\u5b58\uff0c\u4ece\u800c\u5bfc\u81f4\u7cfb\u7edf\u7684\u5185\u5b58\u8017\u5c3d\u3002<\/li>\n
  3. \u4f7f\u7528\u5185\u5b58\u538b\u7f29\u6280\u672f\uff1aLinux\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u5b58\u538b\u7f29\u6280\u672f\uff0c\u5982zswap\u548czram\u7b49\u3002\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u5c06\u90e8\u5206\u5185\u5b58\u6570\u636e\u8fdb\u884c\u538b\u7f29\uff0c\u4ece\u800c\u51cf\u5c11\u5185\u5b58\u7684\u4f7f\u7528\u91cf\u3002<\/li>\n
  4. \u91ca\u653e\u7f13\u51b2\u533a\u548c\u7f13\u5b58\uff1a\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u662f\u7cfb\u7edf\u7528\u6765\u63d0\u9ad8\u78c1\u76d8\u8bbf\u95ee\u6027\u80fd\u7684\u673a\u5236\u3002\u4f46\u662f\uff0c\u5982\u679c\u53ef\u7528\u5185\u5b58\u975e\u5e38\u4f4e\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u201csync; echo 3 > \/proc\/sys\/vm\/drop_caches\u201d\u6765\u91ca\u653e\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u3002<\/li>\n<\/ol>\n

    \u56db\u3001\u5347\u7ea7\u786c\u4ef6<\/p>\n

    \u5982\u679c\u4ee5\u4e0a\u63aa\u65bd\u65e0\u6cd5\u89e3\u51b3\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\uff0c\u90a3\u4e48\u53ef\u80fd\u9700\u8981\u8003\u8651\u5347\u7ea7\u786c\u4ef6\u3002\u589e\u52a0\u7269\u7406\u5185\u5b58\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7edf\u7684\u5185\u5b58\u5bb9\u91cf\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002<\/p>\n

    \u603b\u7ed3<\/p>\n

    \u5185\u5b58\u8017\u5c3d\u662fLinux\u7cfb\u7edf\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u4f46\u901a\u8fc7\u4e86\u89e3\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3001\u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f\u3001\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u4ee5\u53ca\u5347\u7ea7\u786c\u4ef6\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u548c\u9884\u9632\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002\u5173\u952e\u662f\u8981\u5b9a\u671f\u68c0\u67e5\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ca\u65f6\u5904\u7406\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u6765\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u3002<\/p>\n

    \u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n

    \n
    <\/dt>\n
    \n PHP8\u4e2d\u7684\u51fd\u6570\uff1aarray_is_list()\u7684\u65b0\u73a9\u6cd5\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

    \u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898 \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01 \u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5185\u5b58\u8017\u5c3d\u662f\u4e00\u4e2a\u7ecf\u5e38\u51fa\u73b0\u7684\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u670d\u52a1\u5668\u4e0a\u548c\u8d44\u6e90\u4f7f\u7528\u8f83\u9ad8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5f53\u7cfb\u7edf\u5185\u5b58\u8017\u5c3d\u65f6\uff0c\u7cfb\u7edf\u6027\u80fd\u5c06\u53d7\u5230\u4e25\u91cd\u5f71\u54cd\uff0c\u5f88\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u751a\u81f3\u65e0\u6cd5\u542f\u52a8\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898\u7684\u65b9\u6cd5\u3002 \u4e00\u3001\u4e86\u89e3\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u201cfree -m\u201d\u6765\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u72b6\u6001\u3002\u8be5\u547d\u4ee4\u5c06\u4f1a\u663e\u793a\u7cfb\u7edf\u7684\u53ef\u7528\u5185\u5b58\u3001\u5df2\u4f7f\u7528\u7684\u5185\u5b58\u4ee5\u53ca\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002\u5982\u679c\u53ef\u7528\u5185\u5b58\u975e\u5e38\u4f4e\uff0c\u800c\u88ab\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u5360\u7528\u4e86\u5927\u91cf\u5185\u5b58\uff0c\u90a3\u4e48\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002 \u4e8c\u3001\u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f \u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u5728\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u672a\u80fd\u6b63\u786e\u91ca\u653e\u5df2\u5206\u914d\u7684\u5185\u5b58\uff0c\u5bfc\u81f4\u5185\u5b58\u5360\u7528\u4e0d\u65ad\u589e\u52a0\u3002\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u7cfb\u7edf\u7684\u8fdb\u7a0b\u548c\u670d\u52a1\u6765\u68c0\u67e5\u662f\u5426\u53d1\u751f\u4e86\u5185\u5b58\u6cc4\u6f0f\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u201ctop\u201d\u6216\u201chtop\u201d\u6765\u67e5\u770b\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u5982\u679c\u67d0\u4e2a\u8fdb\u7a0b\u6216\u670d\u52a1\u5360\u7528\u4e86\u5927\u91cf\u7684\u5185\u5b58\uff0c\u90a3\u4e48\u5f88\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u3002 \u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u627e\u51fa\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u7684\u7a0b\u5e8f\u6216\u670d\u52a1\uff0c\u5e76\u4fee\u590d\u5b83\u4eec\u3002\u901a\u5e38\uff0c\u5185\u5b58\u6cc4\u6f0f\u662f\u7531\u4e8e\u7a0b\u5e8f\u903b\u8f91\u9519\u8bef\u6216\u8d44\u6e90\u7ba1\u7406\u4e0d\u5f53\u5bfc\u81f4\u7684\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u5b58\u5206\u6790\u5de5\u5177\u5982Valgrind\u6216GDB\u6765\u5b9a\u4f4d\u5185\u5b58\u6cc4\u6f0f\u7684\u95ee\u9898\uff0c\u5e76\u6839\u636e\u5177\u4f53\u7684\u60c5\u51b5\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\uff0c\u4f8b\u5982\u91ca\u653e\u672a\u4f7f\u7528\u7684\u5185\u5b58\u3001\u4f18\u5316\u5185\u5b58\u5206\u914d\u7b49\u3002 \u4e09\u3001\u4f18\u5316\u5185\u5b58\u4f7f\u7528 \u9664\u4e86\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u6765\u51cf\u5c11\u5185\u5b58\u8017\u5c3d\u7684\u98ce\u9669\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u7684\u65b9\u6cd5\uff1a \u5408\u7406\u5206\u914d\u5185\u5b58\uff1a\u5bf9\u4e8e\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\uff0c\u5e94\u8be5\u6839\u636e\u5b9e\u9645\u9700\u8981\u5408\u7406\u5206\u914d\u5185\u5b58\u3002\u5982\u679c\u5185\u5b58\u5206\u914d\u8fc7\u591a\uff0c\u4f1a\u5bfc\u81f4\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u83b7\u5f97\u8db3\u591f\u7684\u5185\u5b58\uff0c\u4ece\u800c\u5f15\u53d1\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002 \u9650\u5236\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\uff1a\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982ulimit\u6765\u9650\u5236\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u67d0\u4e2a\u8fdb\u7a0b\u5360\u7528\u8fc7\u591a\u7684\u5185\u5b58\uff0c\u4ece\u800c\u5bfc\u81f4\u7cfb\u7edf\u7684\u5185\u5b58\u8017\u5c3d\u3002 \u4f7f\u7528\u5185\u5b58\u538b\u7f29\u6280\u672f\uff1aLinux\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u5b58\u538b\u7f29\u6280\u672f\uff0c\u5982zswap\u548czram\u7b49\u3002\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u5c06\u90e8\u5206\u5185\u5b58\u6570\u636e\u8fdb\u884c\u538b\u7f29\uff0c\u4ece\u800c\u51cf\u5c11\u5185\u5b58\u7684\u4f7f\u7528\u91cf\u3002 \u91ca\u653e\u7f13\u51b2\u533a\u548c\u7f13\u5b58\uff1a\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u662f\u7cfb\u7edf\u7528\u6765\u63d0\u9ad8\u78c1\u76d8\u8bbf\u95ee\u6027\u80fd\u7684\u673a\u5236\u3002\u4f46\u662f\uff0c\u5982\u679c\u53ef\u7528\u5185\u5b58\u975e\u5e38\u4f4e\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u201csync; echo 3 > \/proc\/sys\/vm\/drop_caches\u201d\u6765\u91ca\u653e\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u3002 \u56db\u3001\u5347\u7ea7\u786c\u4ef6 \u5982\u679c\u4ee5\u4e0a\u63aa\u65bd\u65e0\u6cd5\u89e3\u51b3\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\uff0c\u90a3\u4e48\u53ef\u80fd\u9700\u8981\u8003\u8651\u5347\u7ea7\u786c\u4ef6\u3002\u589e\u52a0\u7269\u7406\u5185\u5b58\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7edf\u7684\u5185\u5b58\u5bb9\u91cf\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002 \u603b\u7ed3 \u5185\u5b58\u8017\u5c3d\u662fLinux\u7cfb\u7edf\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u4f46\u901a\u8fc7\u4e86\u89e3\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3001\u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f\u3001\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u4ee5\u53ca\u5347\u7ea7\u786c\u4ef6\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u548c\u9884\u9632\u5185\u5b58\u8017\u5c3d\u7684\u95ee\u9898\u3002\u5173\u952e\u662f\u8981\u5b9a\u671f\u68c0\u67e5\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ca\u65f6\u5904\u7406\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u6765\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u3002 \u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u5904\u7406Linux\u7cfb\u7edf\u4e2d\u9891\u7e41\u51fa\u73b0\u7684\u5185\u5b58\u8017\u5c3d\u95ee\u9898\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01 PHP8\u4e2d\u7684\u51fd\u6570\uff1aarray_is_list()\u7684\u65b0\u73a9\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51965","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51965"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51965\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}