{"id":52384,"date":"2024-12-03T10:16:28","date_gmt":"2024-12-03T02:16:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52384\/"},"modified":"2024-12-03T10:16:28","modified_gmt":"2024-12-03T02:16:28","slug":"linux%e5%8f%a5%e6%9f%84%e6%95%b0%e6%8c%87%e7%9a%84%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52384\/","title":{"rendered":"linux\u53e5\u67c4\u6570\u6307\u7684\u662f\u4ec0\u4e48"},"content":{"rendered":"

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

linux\u53e5\u67c4\u6570\u6307\u7684\u662f\u4ec0\u4e48<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300alinux\u53e5\u67c4\u6570\u6307\u7684\u662f\u4ec0\u4e48\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n<\/p>\n

\n

linux\u53e5\u67c4\u6570\u662f\u5185\u6838\u4e2d\u6253\u5f00\u6587\u4ef6\u6570\u91cf\u7684\u603b\u548c\u3002linux\u7cfb\u7edf\u4e2d\u5bf9\u8fdb\u7a0b\u53ef\u4ee5\u8c03\u7528\u7684\u6587\u4ef6\u53e5\u67c4\u6570\u8fdb\u884c\u4e86\u9650\u5236\uff0c\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u8c03\u7528\u7684\u6700\u5927\u53e5\u67c4\u6570\u662f1024\u4e2a\uff0c\u5982\u679c\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u9650\u5236\uff0c\u8fdb\u7a0b\u5c06\u65e0\u6cd5\u83b7\u53d6\u65b0\u7684\u53e5\u67c4\uff0c\u800c\u4ece\u5bfc\u81f4\u4e0d\u80fd\u6253\u5f00\u65b0\u7684\u6587\u4ef6\u6216\u8005\u7f51\u7edc\u5957\u63a5\u5b57\uff0c\u5bf9\u4e8e\u7ebf\u4e0a\u670d\u52a1\u5668\u5373\u4f1a\u51fa\u73b0\u670d\u52a1\u88ab\u62d2\u7edd\u7684\u60c5\u51b5\u3002<\/p>\n<\/blockquote>\n

\u4ec0\u4e48\u662f\u53e5\u67c4<\/strong><\/p>\n

\u53e5\u67c4\u5c31\u662f\u4e00\u4e2a\u6807\u8bc6\u7b26\uff0c\u53ea\u8981\u83b7\u5f97\u5bf9\u8c61\u7684\u53e5\u67c4\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u5bf9\u8c61\u8fdb\u884c\u4efb\u610f\u7684\u64cd\u4f5c\u3002<\/p>\n

\u53e5\u67c4\u4e0d\u662f\u6307\u9488\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7528\u53e5\u67c4\u53ef\u4ee5\u627e\u5230\u4e00\u5757\u5185\u5b58\uff0c\u8fd9\u4e2a\u53e5\u67c4\u53ef\u80fd\u662f\u6807\u8bc6\u7b26\uff0cmap\u7684key\uff0c\u4e5f\u53ef\u80fd\u662f\u6307\u9488\uff0c\u770b\u64cd\u4f5c\u7cfb\u7edf\u600e\u4e48\u5904\u7406\u7684\u4e86\u3002fd\u7b97\u662f\u5728\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u66ff\u4ee3\u53e5\u67c4\u5427\uff1bLinux \u6709\u76f8\u5e94\u673a\u5236\uff0c\u4f46\u6ca1\u6709\u7edf\u4e00\u7684\u53e5\u67c4\u7c7b\u578b\uff0c\u5404\u79cd\u7c7b\u578b\u7684\u7cfb\u7edf\u8d44\u6e90\u7531\u5404\u81ea\u7684\u7c7b\u578b\u6765\u6807\u8bc6\uff0c\u7531\u5404\u81ea\u7684\u63a5\u53e3\u64cd\u4f5c\u3002<\/p>\n

\u5728\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u4e0a\uff0c\u6587\u4ef6\u64cd\u4f5c\u4e5f\u6709\u7c7b\u4f3c\u4e8eFILE\u7684\u4e00\u4e2a\u6982\u5ff5\uff0c\u5728Linux\u91cc\uff0c\u8fd9\u53eb\u505a\u6587\u4ef6\u63cf\u8ff0\u7b26(File Descriptor)\uff0c\u800c\u5728Windows\u91cc\uff0c\u53eb\u505a\u53e5\u67c4(Handle)(\u4ee5\u4e0b\u5728\u6ca1\u6709\u6b67\u4e49\u7684\u65f6\u5019\u7edf\u79f0\u4e3a\u53e5\u67c4)\u3002\u7528\u6237\u901a\u8fc7\u67d0\u4e2a\u51fd\u6570\u6253\u5f00\u6587\u4ef6\u4ee5\u83b7\u5f97\u53e5\u67c4\uff0c\u6b64\u540e\u7528\u6237\u64cd\u7eb5\u6587\u4ef6\u7686\u901a\u8fc7\u8be5\u53e5\u67c4\u8fdb\u884c\u3002<\/p>\n

liunx\u4e2d\u7684\u53e5\u67c4<\/strong><\/p>\n

\u5728linux\u7cfb\u7edf\u8bbe\u8ba1\u91cc\u9762\u9075\u5faa\u4e00\u5207\u90fd\u662f\u6587\u4ef6\u7684\u539f\u5219\uff0c\u5373\u78c1\u76d8\u6587\u4ef6\u3001\u76ee\u5f55\u3001\u7f51\u7edc\u5957\u63a5\u5b57\u3001\u78c1\u76d8\u3001\u7ba1\u9053\u7b49\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u662f\u6587\u4ef6\uff0c\u5728\u6211\u4eec\u8fdb\u884c\u6253\u5f00\u7684\u65f6\u5019\u4f1a\u8fd4\u56de\u4e00\u4e2afd\uff0c\u5373\u662f\u6587\u4ef6\u53e5\u67c4\u3002<\/p>\n

\u5982\u679c\u9891\u7e41\u7684\u6253\u5f00\u6587\u4ef6\uff0c\u6216\u8005\u6253\u5f00\u7f51\u7edc\u5957\u63a5\u5b57\u800c\u5fd8\u8bb0\u91ca\u653e\u5c31\u4f1a\u6709\u53e5\u67c4\u6cc4\u9732\u7684\u73b0\u8c61\u3002<\/p>\n

\u5728linux\u7cfb\u7edf\u4e2d\u5bf9\u8fdb\u7a0b\u53ef\u4ee5\u8c03\u7528\u7684\u6587\u4ef6\u53e5\u67c4\u6570\u8fdb\u884c\u4e86\u9650\u5236\uff0c\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u8c03\u7528\u7684\u6700\u5927\u53e5\u67c4\u6570\u662f1024\u4e2a\uff0c\u5982\u679c\u8d85\u8fc7\u4e86\u8fd9\u4e2a\u9650\u5236\uff0c\u8fdb\u7a0b\u5c06\u65e0\u6cd5\u83b7\u53d6\u65b0\u7684\u53e5\u67c4\uff0c\u800c\u4ece\u5bfc\u81f4\u4e0d\u80fd\u6253\u5f00\u65b0\u7684\u6587\u4ef6\u6216\u8005\u7f51\u7edc\u5957\u63a5\u5b57\uff0c\u5bf9\u4e8e\u7ebf\u4e0a\u670d\u52a1\u5668\u5373\u4f1a\u51fa\u73b0\u670d\u52a1\u88ab\u62d2\u7edd\u7684\u60c5\u51b5\u3002<\/p>\n

linux\u53e5\u67c4\u6570\u662f\u4ec0\u4e48<\/strong><\/p>\n

\u5f53\u6211\u4eec\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5185\u6838\u5c31\u4f1a\u5206\u914d\u4e00\u4e2a\u53e5\u67c4\u6765\u8868\u793a\u8fd9\u4e2a\u6587\u4ef6\u3002\u56e0\u6b64\uff0cLinux\u53e5\u67c4\u6570\u5c31\u662f\u5185\u6838\u4e2d\u6253\u5f00\u6587\u4ef6\u6570\u91cf\u7684\u603b\u548c\u3002<\/p>\n

Linux\u53e5\u67c4\u6570\u4e5f\u4e0e\u5185\u5b58\u6709\u5173\u3002\u5f53\u5185\u6838\u5206\u914d\u4e00\u4e2a\u53e5\u67c4\u65f6\uff0c\u5b83\u4f1a\u5206\u914d\u4e00\u5b9a\u6570\u91cf\u7684\u5185\u5b58\u6765\u5b58\u50a8\u8fd9\u4e2a\u53e5\u67c4\u7684\u4fe1\u606f\u3002\u56e0\u6b64\u4e2d\u6807linux\uff0c\u5982\u679cLinux\u53e5\u67c4\u6570\u589e\u52a0\u4e86\u5f88\u591a\uff0c\u90a3\u4e48\u5c31\u4f1a\u5360\u7528\u5927\u91cf\u7684\u5185\u5b58\u8d44\u6e90\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u5bf9Linux\u53e5\u67c4\u6570\u8fdb\u884c\u76d1\u6d4b\u548c\u7ba1\u7406\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u6cc4\u9732\u548c\u6027\u80fd\u95ee\u9898\u3002<\/p>\n

\u5982\u4f55\u67e5\u770bLinux\u53e5\u67c4\u6570<\/strong><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u76d1\u6d4bLinux\u53e5\u67c4\u6570\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u201clsof\u201d\u547d\u4ee4\u6765\u663e\u793a\u5f53\u524d\u6b63\u5728\u4f7f\u7528\u7684\u6587\u4ef6\u7684\u4fe1\u606f\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u201c\/proc\/sys\/fs\/file-nr\u201d\u6587\u4ef6\u68c0\u6d4b\u5f53\u524d\u6b63\u5728\u4f7f\u7528\u7684\u6587\u4ef6\u6570\u91cf\u548c\u6700\u5927\u5141\u8bb8\u4f7f\u7528\u7684\u6587\u4ef6\u6570\u91cf(\u5373linux \u53e5\u67c4\u6570)\u3002\u6b64\u5916\u67e5\u770blinux \u53e5\u67c4\u6570\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u201culimit\u201d\u547d\u4ee4\u6765\u8bbe\u5b9a\u6700\u5927\u5141\u8bb8\u4f7f\u7528\u7684\u6587\u4ef6\u6570\u91cf(\u5373linux \u53e5\u67c4\u6570)\u3002<\/p>\n

1.\u67e5\u770b\u7cfb\u7edf\u8bbe\u7f6e\u7684\u6587\u4ef6\u53e5\u67c4\u6570<\/strong><\/p>\n

more \/proc\/sys\/fs\/file-max<\/pre>\n
2.\u67e5\u770b\u5f53\u524d\u6253\u5f00\u53e5\u67c4\u603b\u6570<\/strong><\/p>\n
lsof|awk '{print $2}'|wc -l<\/pre>\n
3.\u6839\u636e\u6253\u5f00\u6587\u4ef6\u53e5\u67c4\u7684\u6570\u91cf\u964d\u5e8f\u6392\u5217\uff0c\u627e\u51fa\u54ea\u4e2a\u8fdb\u7a0b\u5360\u7528\u7684\u53e5\u67c4\u6570\u6700\u9ad8<\/strong><\/p>\n
lsof|awk '{print $2}'|sort|uniq -c|sort -nr|more<\/pre>\n
\"linux\u53e5\u67c4\u6570\u6307\u7684\u662f\u4ec0\u4e48\u63d2\u56fe\"<\/p>\n
\u5982\u4f55\u4fee\u6539 Linux \u53e5\u67c4\u6570<\/strong><\/p>\n
\u65f6\u5019\u6211\u4eec\u4f1a\u9047\u5230 Linux \u53e5\u67c4\u6570\u8fc7\u591a\u7684\u95ee\u9898\uff1b\u8fd9\u79cd\u60c5\u51b5\u4e0bred hat linux\uff0c\u6211\u4e48\u9700\u8981\u4fee\u6539 Linux \u53e5\u67c4\u6570\u4e86\u3002<\/p>\n
\u9996\u5148\u67e5\u770blinux \u53e5\u67c4\u6570\uff0c\u6211\u4e48\u9700\u8981\u786e\u5b9a\u6700\u5927\u7684 Linux \u53e5\u67c4\u6570\uff1b\u8fd9\u4e2a\u6700\u5927\u7684 Linux \u53e5\u67c4\u6570\u7531\u201c\/proc\/sys\/fs\/file-max\u201d\u8fd9\u4e2a\u6587\u4e66\u51b3\u5b9a\u3002<\/p>\n
\u4e4b\u540e\u53ef\u4f7f\u7528\u201culimit -n\u201d\u8fd9\u4e2a\u547d\u4e66\u6765\u8bbe\u7f6e\u6700\u5927\u7684 Linux \u53e5\u67c4\u6570\uff1b\u8fd8\u9700\u8981\u91cd\u542f\u673a\u5668\u624d\u80fd\u751f\u6548\u3002<\/p>\n
\u603b\u4e4b\uff0c linux \u53e5\u67c4\u6570\u662f\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u8bdd\u9898\uff0c\u65e2\u7136\u5b83\u4f1a\u95f4\u63a5\u5f71\u54cd\u5230linux\u6027\u80fd\u548c\u5b89\u5168\u3002<\/p>\n
\u4e00\u822c\u60c5\u51b5\u4e0b, linux \u7cfb\u7edf\u4f1a\u989d\u5916\u5f00\u542f\u51e0\u5343\u4e2a\u6587\u4ef6\u3002\u5982\u4f55\u901a\u8fc7\u76f8\u5e94\u7684\u547d\u540d\u6761\u53bb\u76d1\u6d4b Linux \u53e5\u67c4\u6570\uff0c\u5e76\u9009\u8005\u5408\u7406\u5730\u8bbe\u5b9a\u6700\u5927\u5141\u8bb8\u4f7f\u7528\u7684 Linux \u53e5\u67c4\u6570\uff0c\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684<\/p>\n
\"linux\u53e5\u67c4\u6570\u6307\u7684\u662f\u4ec0\u4e48\u63d2\u56fe1\"<\/p>\n
\u6587\u4e2d\u5173\u4e8eLinux\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300alinux\u53e5\u67c4\u6570\u6307\u7684\u662f\u4ec0\u4e48\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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