{"id":30433,"date":"2026-02-28T08:00:58","date_gmt":"2026-02-28T00:00:58","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/linux-file-descriptor-limits-optimization-for-high-concurrency\/"},"modified":"2026-03-02T11:16:31","modified_gmt":"2026-03-02T03:16:31","slug":"linux-file-descriptor-limits-optimization-for-high-concurrency","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/linux-file-descriptor-limits-optimization-for-high-concurrency\/","title":{"rendered":"Linux\u6a94\u6848\u63cf\u8ff0\u7b26\u9650\u5236\u6700\u4f73\u5316\uff1a\u63d0\u5347\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u7684\u7cfb\u7d71\u7a69\u5b9a\u6027"},"content":{"rendered":"\n<p>\u5c0d\u65bc\u7ba1\u7406\u57fa\u65bcLinux\u7684\u4f3a\u670d\u5668\u79df\u7528\u6216<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/tokyo\/\" target=\"_blank\">\u4f3a\u670d\u5668\u4ee3\u7ba1\u74b0\u5883<\/a>\u7684\u958b\u767c\u4eba\u54e1\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u800c\u8a00\uff0c\u9047\u5230\u300cToo many open files\u300d\uff08\u958b\u555f\u6a94\u6848\u904e\u591a\uff09\u932f\u8aa4\u662f\u5e38\u898b\u7684\u56f0\u64fe\u2014\u2014\u5c24\u5176\u662f\u5728\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u3002\u8a72\u554f\u984c\u6e90\u65bc<a href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/how-to-diagnose-linux-service-failures\/\" target=\"_blank\">Linux\u6a94\u6848<\/a>\u63cf\u8ff0\u7b26\uff08FD\uff09\u9650\u5236\uff0c\u9019\u4e00\u9650\u5236\u6703\u7d04\u675f\u7cfb\u7d71\u6216\u7a0b\u5e8f\u53ef\u7ba1\u7406\u7684\u958b\u555f\u6a94\u6848\u3001\u7db2\u8def\u5957\u63a5\u5b57\u548cIPC\u53e5\u67c4\u6578\u91cf\u3002\u638c\u63e1Linux\u6a94\u6848\u63cf\u8ff0\u7b26\u9650\u5236\u6700\u4f73\u5316\u65b9\u6cd5\uff0c\u662f\u4fdd\u969c\u7cfb\u7d71\u7a69\u5b9a\u6027\u3001\u6e1b\u5c11\u9023\u7dda\u4e1f\u5305\u3001\u6700\u5927\u5316\u57fa\u790e\u8a2d\u65bd\u6548\u80fd\u7684\u95dc\u9375\u3002\u4e0b\u6587\u5c07\u5f9e\u6280\u8853\u89d2\u5ea6\u6df1\u5165\u8b1b\u89e3\u5982\u4f55\u8b58\u5225\u3001\u8a2d\u5b9a\u548c\u9a57\u8b49FD\u9650\u5236\u6700\u4f73\u5316\uff0c\u5c08\u70ba\u8ffd\u6c42\u53ef\u9760\u751f\u7522\u7d1a\u89e3\u6c7a\u65b9\u6848\u7684\u6280\u8853\u4eba\u54e1\u6253\u9020\u3002<\/p>\n<h2><strong>\u4ec0\u9ebc\u662fLinux\u6a94\u6848\u63cf\u8ff0\u7b26\uff08FD\uff09\u9650\u5236\uff1f<\/strong><\/h2>\n<p>\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u6bcf\u4e00\u500b\u958b\u555f\u7684\u8cc7\u6e90\u2014\u2014\u7121\u8ad6\u662f\u6a94\u6848\u3001\u7db2\u8def\u5957\u63a5\u5b57\u3001\u7ba1\u9053\u9084\u662f\u8a2d\u5099\u2014\u2014\u90fd\u6703\u88ab\u5206\u914d\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u8b58\u5225\u7b26\uff0c\u5373\u6a94\u6848\u63cf\u8ff0\u7b26\u3002\u4f5c\u696d\u7cfb\u7d71\u6703\u5f37\u5236\u57f7\u884c\u5169\u985e\u6838\u5fc3\u7684FD\u9650\u5236\uff0c\u5b83\u5011\u4f5c\u7528\u65bc\u4e0d\u540c\u5c64\u7d1a\uff0c\u4ee5\u9632\u6b62\u8cc7\u6e90\u8017\u76e1\uff1a<\/p>\n<ul>\n<li><strong>\u8edf\u9650\u5236 vs \u786c\u9650\u5236<\/strong>\uff1a\u8edf\u9650\u5236\u662f\u7cfb\u7d71\u5f37\u5236\u57f7\u884c\u7684\u53ef\u914d\u7f6e\u95be\u503c\uff0c\u4f46\u7279\u6b0a\u4f7f\u7528\u8005\u53ef\u81e8\u6642\u7a81\u7834\uff1b\u800c\u786c\u9650\u5236\u662f\u6838\u5fc3\u8a2d\u5b9a\u7684\u525b\u6027\u4e0a\u9650\uff0c\u7121\u6cd5\u88ab\u8d85\u8d8a\u3002<\/li>\n<li><strong>\u7a0b\u5e8f\u7d1a vs \u7cfb\u7d71\u7d1a\u9650\u5236<\/strong>\uff1a\u7a0b\u5e8f\u7d1a\u9650\u5236\uff08\u900f\u904eulimit\u63a7\u5236\uff09\u4f5c\u7528\u65bc\u55ae\u500b\u7a0b\u5e8f\uff08\u5982Nginx\u3001Redis\u3001\u8cc7\u6599\u5eab\uff09\uff0c\u7cfb\u7d71\u7d1a\u9650\u5236\uff08\u900f\u904efile-max\u63a7\u5236\uff09\u5247\u4f5c\u7528\u65bc\u6574\u500b\u4f5c\u696d\u7cfb\u7d71\uff0c\u7ba1\u63a7\u6240\u6709\u7a0b\u5e8f\u53ef\u7528\u7684FD\u7e3d\u6578\u3002<\/li>\n<\/ul>\n<p>\u9810\u8a2d\u7684FD\u9650\u5236\u901a\u5e38\u7121\u6cd5\u6eff\u8db3\u73fe\u4ee3\u9ad8\u4f75\u767c\u5834\u666f\u7684\u9700\u6c42\u2014\u2014\u6bd4\u5982\u8655\u7406\u6578\u5343\u4f75\u767c\u9023\u7dda\u7684Web\u4f3a\u670d\u5668\u3001\u5373\u6642\u61c9\u7528\u6216\u5206\u6563\u5f0f\u7cfb\u7d71\u2014\u2014\u56e0\u6b64\u6700\u4f73\u5316\u662f\u4fdd\u969c\u53ef\u9760\u6548\u80fd\u7684\u5fc5\u8981\u64cd\u4f5c\u3002<\/p>\n<h2><strong>\u7b2c\u4e00\u6b65\uff1a\u67e5\u770b\u7576\u524dFD\u9650\u5236<\/strong><\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u524d\uff0c\u4f60\u9700\u8981\u5be9\u8a08\u7cfb\u7d71\u7576\u524d\u7684FD\u8a2d\u5b9a\u4ee5\u5b9a\u4f4d\u74f6\u9838\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5217\u5de5\u5177\u6536\u96c6\u95dc\u9375\u8cc7\u8a0a\uff1a<\/p>\n<ol>\n<li>\u67e5\u770b\u7a0b\u5e8f\u7d1a\u8edf\u9650\u5236\uff1a<code>ulimit -n<\/code> \u2014\u2014 \u8a72\u547d\u4ee4\u8fd4\u56de\u7576\u524dShell\u5de5\u4f5c\u968e\u6bb5\u7684\u8edf\u9650\u5236\u503c\u3002<\/li>\n<li>\u67e5\u770b\u7cfb\u7d71\u7d1a\u5168\u57df\u9650\u5236\uff1a<code>cat \/proc\/sys\/fs\/file-max<\/code> \u2014\u2014 \u8a72\u547d\u4ee4\u986f\u793a\u6838\u5fc3\u53ef\u5206\u914d\u7684\u7cfb\u7d71\u7d1aFD\u7e3d\u6578\u3002<\/li>\n<li>\u67e5\u770b\u5df2\u7528\/\u53ef\u7528FD\uff1a<code>cat \/proc\/sys\/fs\/file-nr<\/code> \u2014\u2014 \u8f38\u51fa\u5305\u542b\u4e09\u500b\u503c\uff1a\u5df2\u7528FD\u6578\u3001\u9592\u7f6e\u5df2\u5206\u914dFD\u6578\u3001\u7cfb\u7d71\u7e3d\u9650\u5236\u6578\u3002<\/li>\n<li>\u9a57\u8b49FD\u8017\u76e1\u554f\u984c\uff1a\u82e5\u51fa\u73fe\u300cToo many open files\u300d\u932f\u8aa4\uff0c\u5c07<code>file-nr<\/code>\u8fd4\u56de\u7684\u5df2\u7528FD\u6578\u8207\u7cfb\u7d71\/\u7a0b\u5e8f\u9650\u5236\u4ea4\u53c9\u6bd4\u5c0d\uff0c\u78ba\u8a8d\u74f6\u9838\u6240\u5728\u3002<\/li>\n<\/ol>\n<h2><strong>\u7b2c\u4e8c\u6b65\uff1a\u81e8\u6642\u6700\u4f73\u5316FD\uff08\u5feb\u901f\u4fee\u5fa9\uff09<\/strong><\/h2>\n<p>\u91dd\u5c0d\u7dca\u6025\u60c5\u6cc1\u6216\u81e8\u6642\u6e2c\u8a66\uff0c\u4f60\u53ef\u4ee5\u5373\u6642\u8abf\u6574\u7a0b\u5e8f\u7d1a\u8edf\u9650\u5236\u3002\u8a72\u4fee\u6539\u7acb\u5373\u751f\u6548\uff0c\u4f46\u4e0d\u5177\u5099\u6301\u4e45\u6027\u2014\u2014\u7cfb\u7d71\u91cd\u65b0\u555f\u52d5\u6216\u4f7f\u7528\u8005\u767b\u51fa\u5f8c\u6703\u91cd\u7f6e\uff1a<\/p>\n<ol>\n<li>\u8a2d\u5b9a\u81e8\u6642\u8edf\u9650\u5236\uff1a<code>ulimit -n 65535<\/code> \u2014\u2014 \u5c07\u7576\u524dShell\u5de5\u4f5c\u968e\u6bb5\u7684\u8edf\u9650\u5236\u63d0\u5347\u81f365535\u3002<\/li>\n<li>\u9a57\u8b49\u4fee\u6539\u7d50\u679c\uff1a\u91cd\u65b0\u57f7\u884c<code>ulimit -n<\/code>\uff0c\u78ba\u8a8d\u65b0\u9650\u5236\u5df2\u751f\u6548\u3002<\/li>\n<\/ol>\n<p>\u6ce8\u610f\uff1a\u8a72\u65b9\u6cd5\u50c5\u9069\u7528\u65bc\u77ed\u671f\u4fee\u5fa9\u3002\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u5fc5\u9808\u8a2d\u5b9a\u6c38\u4e45\u9650\u5236\u4ee5\u907f\u514d\u554f\u984c\u53cd\u8986\u51fa\u73fe\u3002<\/p>\n<h2><strong>\u7b2c\u4e09\u6b65\uff1a\u6c38\u4e45\u6700\u4f73\u5316FD\uff08\u751f\u7522\u7d1a\u8a2d\u5b9a\uff09<\/strong><\/h2>\n<p>\u6c38\u4e45\u6700\u4f73\u5316\u9700\u8981\u540c\u6642\u8a2d\u5b9a\u4f7f\u7528\u8005\u7d1a\u548c\u7cfb\u7d71\u7d1a\u9650\u5236\uff0c\u4e26\u8abf\u6821\u55ae\u500b\u670d\u52d9\uff08\u5982Nginx\u3001MySQL\uff09\u4ee5\u9075\u5faa\u9019\u4e9b\u9650\u5236\u3002\u6309\u4ee5\u4e0b\u6b65\u9a5f\u5be6\u73fe\u7a69\u5065\u7684\u9577\u671f\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3>3.1 \u4f7f\u7528\u8005\u7d1a\u6c38\u4e45\u8a2d\u5b9a<\/h3>\n<p><code>\/etc\/security\/limits.conf<\/code>\u6a94\u6848\u7ba1\u63a7\u6240\u6709\u4f7f\u7528\u8005\u6216\u7279\u5b9a\u4f7f\u7528\u8005\u7684\u6c38\u4e45\u7a0b\u5e8f\u7d1a\u9650\u5236\u3002\u7de8\u8f2f\u8a72\u6a94\u6848\u4ee5\u8a2d\u5b9a\u7d71\u4e00\u7684\u8edf\/\u786c\u9650\u5236\uff1a<\/p>\n<ol>\n<li>\u958b\u555f\u8a2d\u5b9a\u6a94\uff1a<code>vim \/etc\/security\/limits.conf<\/code><\/li>\n<li>\u70ba\u6240\u6709\u4f7f\u7528\u8005\u65b0\u589e\u4ee5\u4e0b\u8a2d\u5b9a\u884c\uff08\u5982\u9700\u91dd\u5c0d\u55ae\u500b\u4f7f\u7528\u8005\uff0c\u5c07<code>*<\/code>\u66ff\u63db\u70ba\u5177\u9ad4\u4f7f\u7528\u8005\u540d\u7a31\uff09\uff1a\n<pre><code lang=\"bash\">* soft nofile 65535\r\n* hard nofile 65535\r\nroot soft nofile 65535\r\nroot hard nofile 65535<\/code><\/pre>\n<\/li>\n<li>\u5132\u5b58\u4e26\u9000\u51fa\u6a94\u6848\u3002\u4f7f\u7528\u8005\u767b\u51fa\u4e26\u91cd\u65b0\u767b\u5165\u5f8c\uff0c\u4fee\u6539\u5373\u53ef\u751f\u6548\u3002<\/li>\n<\/ol>\n<h3>3.2 \u7cfb\u7d71\u7d1a\u5168\u57df\u8a2d\u5b9a<\/h3>\n<p><code>\/etc\/sysctl.conf<\/code>\u6a94\u6848\u7ba1\u7406\u7cfb\u7d71\u7d1a\u6838\u5fc3\u53c3\u6578\uff0c\u5305\u62ec\u53ef\u7528FD\u7e3d\u6578\u3002\u8abf\u6574\u8a72\u8a2d\u5b9a\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u80fd\u652f\u63f4\u63d0\u5347\u5f8c\u7684\u7a0b\u5e8f\u7d1a\u9650\u5236\uff1a<\/p>\n<ol>\n<li>\u958b\u555f\u8a2d\u5b9a\u6a94\uff1a<code>vim \/etc\/sysctl.conf<\/code><\/li>\n<li>\u65b0\u589e\u4ee5\u4e0b\u884c\u8a2d\u5b9a\u7cfb\u7d71\u7d1aFD\u9650\u5236\uff08\u53ef\u6839\u64da\u696d\u52d9\u8ca0\u8f09\u8abf\u6574\u6578\u503c\uff09\uff1a\n<pre><code lang=\"bash\">fs.file-max = 655350<\/code><\/pre>\n<\/li>\n<li>\u7acb\u5373\u5957\u7528\u4fee\u6539\uff1a<code>sysctl -p<\/code> \u2014\u2014 \u7121\u9700\u91cd\u65b0\u555f\u52d5\u5373\u53ef\u8f09\u5165\u65b0\u8a2d\u5b9a\u3002<\/li>\n<\/ol>\n<h3>3.3 Systemd\u670d\u52d9\u5c08\u5c6c\u6700\u4f73\u5316<\/h3>\n<p>\u8a31\u591a\u73fe\u4ee3\u670d\u52d9\uff08\u5982Nginx\u3001Redis\u3001MySQL\uff09\u7531Systemd\u7ba1\u7406\uff0c\u5176\u53ef\u80fd\u8986\u84cb\u5168\u57dfFD\u9650\u5236\u3002\u70ba\u78ba\u4fdd\u9019\u4e9b\u670d\u52d9\u9075\u5faa\u6700\u4f73\u5316\u5f8c\u7684\u9650\u5236\uff0c\u9700\u4fee\u6539\u5176Systemd\u670d\u52d9\u6a94\u6848\uff1a<\/p>\n<ol>\n<li>\u5b9a\u4f4d\u670d\u52d9\u6a94\u6848\uff08\u4ee5Nginx\u70ba\u4f8b\uff1a<code>\/etc\/systemd\/system\/nginx.service<\/code> \u6216 <code>\/usr\/lib\/systemd\/system\/nginx.service<\/code>\uff09\u3002<\/li>\n<li>\u5728<code>[Service]<\/code>\u6bb5\u843d\u4e0b\u65b9\u65b0\u589e\u4ee5\u4e0b\u884c\uff1a\n<pre><code lang=\"bash\">LimitNOFILE=65535<\/code><\/pre>\n<\/li>\n<li>\u91cd\u65b0\u8f09\u5165Systemd\u4e26\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff1a\n<pre><code lang=\"bash\">systemctl daemon-reload\r\nsystemctl restart nginx<\/code><\/pre>\n<\/li>\n<\/ol>\n<h2><strong>\u7b2c\u56db\u6b65\uff1a\u9a57\u8b49\u6700\u4f73\u5316\u662f\u5426\u751f\u6548<\/strong><\/h2>\n<p>\u8a2d\u5b9a\u6c38\u4e45\u9650\u5236\u5f8c\uff0c\u9700\u9a57\u8b49\u4fee\u6539\u662f\u5426\u751f\u6548\u4e14\u7b26\u5408\u9810\u671f\u3002\u900f\u904e\u4ee5\u4e0b\u6b65\u9a5f\u78ba\u8a8d\uff1a<\/p>\n<ol>\n<li>\u9a57\u8b49\u7a0b\u5e8f\u7d1a\u9650\u5236\uff1a\u767b\u51fa\u4e26\u91cd\u65b0\u767b\u5165\uff0c\u57f7\u884c<code>ulimit -n<\/code> \u2014\u2014 \u61c9\u8fd4\u56de\u65b0\u7684\u8edf\u9650\u5236\u503c\u3002<\/li>\n<li>\u9a57\u8b49\u7cfb\u7d71\u7d1a\u9650\u5236\uff1a\u57f7\u884c<code>sysctl fs.file-max<\/code> \u2014\u2014 \u61c9\u8fd4\u56de\u65b0\u7684\u7cfb\u7d71\u9650\u5236\u503c\u3002<\/li>\n<li>\u9a57\u8b49\u670d\u52d9\u5c08\u5c6c\u9650\u5236\uff1a\u5c0d\u65bcSystemd\u7ba1\u7406\u7684\u670d\u52d9\uff0c\u57f7\u884c<code>systemctl show &lt;service-name&gt; | grep LimitNOFILE<\/code> \u2014\u2014 \u61c9\u986f\u793a\u8a2d\u5b9a\u7684\u9650\u5236\u503c\u3002<\/li>\n<li>\u76e3\u63a7FD\u4f7f\u7528\u60c5\u6cc1\uff1a\u9577\u671f\u57f7\u884c<code>cat \/proc\/sys\/fs\/file-nr<\/code>\uff0c\u78ba\u4fdd\u5df2\u7528FD\u6578\u4e0d\u6703\u63a5\u8fd1\u7cfb\u7d71\/\u7a0b\u5e8f\u9650\u5236\u3002<\/li>\n<\/ol>\n<h2><strong>FD\u6700\u4f73\u5316\u7684\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n<p>\u70ba\u907f\u514d\u904e\u5ea6\u8a2d\u5b9a\u6216\u8cc7\u6e90\u6d6a\u8cbb\uff0c\u91dd\u5c0d\u9ad8\u4f75\u767c\u7684\u4f3a\u670d\u5668\u79df\u7528\/\u4f3a\u670d\u5668\u4ee3\u7ba1\u74b0\u5883\uff0c\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u9078\u64c7\u5408\u7406\u6578\u503c\uff1a\u8edf\/\u786c\u9650\u5236\u8207\u7cfb\u7d71\u7d1a\u9650\u5236\u7684\u9810\u8a2d\u8a2d\u5b9a\u53ef\u6eff\u8db3\u5927\u591a\u6578\u4e2d\u9ad8\u4f75\u767c\u5834\u666f\u3002\u5c0d\u65bc\u6975\u7aef\u5834\u666f\uff08\u5982\u9ad8\u6d41\u91cf\u96fb\u5546\u3001\u5373\u6642\u904a\u6232\uff09\uff0c\u53ef\u63d0\u5347\u81f3100000+\u3002<\/li>\n<li>\u907f\u514d\u7121\u9650\u5236\u8a2d\u5b9a\uff1a\u5c07FD\u9650\u5236\u8a2d\u70ba\u300cunlimited\u300d\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6e90\u6d88\u8017\u5931\u63a7\u548c\u7cfb\u7d71\u4e0d\u7a69\u5b9a\uff0c\u52d9\u5fc5\u8a2d\u5b9a\u660e\u78ba\u7684\u4e0a\u9650\u3002<\/li>\n<li>\u7d50\u5408\u5176\u4ed6\u6700\u4f73\u5316\u624b\u6bb5\uff1a\u5c07FD\u9650\u5236\u8abf\u6574\u8207TCP\u8abf\u6821\uff08\u5982\u5957\u63a5\u5b57\u903e\u6642\u3001\u5f85\u8655\u7406\u4f47\u5217\uff09\u3001\u6838\u5fc3\u6700\u4f73\u5316\u7d50\u5408\uff0c\u6700\u5927\u5316\u6574\u9ad4\u7cfb\u7d71\u6548\u80fd\u3002<\/li>\n<li>\u8ca0\u8f09\u6e2c\u8a66\u9a57\u8b49\uff1a\u4f7f\u7528\u8ca0\u8f09\u6e2c\u8a66\u5de5\u5177\uff08\u5982ab\u3001wrk\uff09\u9a57\u8b49\u8a2d\u5b9a\uff0c\u78ba\u4fdd\u7cfb\u7d71\u5728\u5cf0\u503c\u4f75\u767c\u4e0b\u4e0d\u6703\u51fa\u73feFD\u76f8\u95dc\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2><strong>\u5e38\u898b\u554f\u984c\u6392\u67e5\u6280\u5de7<\/strong><\/h2>\n<p>\u82e5FD\u6700\u4f73\u5316\u672a\u9054\u5230\u9810\u671f\u6548\u679c\uff0c\u53ef\u900f\u904e\u4ee5\u4e0b\u6280\u8853\u6b65\u9a5f\u6392\u67e5\uff1a<\/p>\n<ul>\n<li>\u8a2d\u5b9a\u672a\u751f\u6548\uff1a\u78ba\u4fddPAM\u6a21\u7d44\u5df2\u555f\u7528\uff08\u6aa2\u67e5<code>\/etc\/pam.d\/login<\/code>\u6a94\u6848\u4e2d\u662f\u5426\u5b58\u5728<code>session required pam_limits.so<\/code>\uff09\uff0c\u4e26\u767b\u51fa\/\u91cd\u65b0\u767b\u5165\u4ee5\u5957\u7528\u4f7f\u7528\u8005\u7d1a\u4fee\u6539\u3002<\/li>\n<li>\u6301\u7e8c\u51fa\u73fe\u300cToo many open files\u300d\u932f\u8aa4\uff1a\u6392\u67e5FD\u6d29\u6f0f\u554f\u984c\uff08\u4f7f\u7528<code>lsof -p &lt;pid&gt;<\/code>\u8b58\u5225\u958b\u555f\u904e\u591aFD\u7684\u7a0b\u5e8f\uff09\u6216\u8a2d\u5b9a\u932f\u8aa4\u7684\u670d\u52d9\u3002<\/li>\n<li>\u767c\u884c\u7248\u5dee\u7570\uff1aCentOS\/RHEL\u8207Ubuntu\/Debian\u7684\u8a2d\u5b9a\u6a94\u8def\u5f91\u53ef\u80fd\u5b58\u5728\u7d30\u5fae\u5dee\u7570\uff0c\u9700\u76f8\u61c9\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2><strong>\u7e3d\u7d50<\/strong><\/h2>\n<p>Linux\u6a94\u6848\u63cf\u8ff0\u7b26\u9650\u5236\u6700\u4f73\u5316\u662f\u7dad\u8b77\u9ad8\u4f75\u767c\u3001\u7a69\u5b9aLinux\u7cfb\u7d71\u7684\u57fa\u790e\u64cd\u4f5c\u2014\u2014\u7121\u8ad6\u4f60\u7ba1\u7406\u7684\u662f\u4f3a\u670d\u5668\u79df\u7528\u3001\u4f3a\u670d\u5668\u4ee3\u7ba1\u9084\u662f\u672c\u5730\u57fa\u790e\u8a2d\u65bd\u3002\u900f\u904e\u7406\u89e3\u8edf\/\u786c\u9650\u5236\u3001\u7a0b\u5e8f\/\u7cfb\u7d71\u7d1a\u9650\u5236\u7684\u5dee\u7570\uff0c\u8a2d\u5b9a\u6c38\u4e45\u9650\u5236\u4e26\u9a57\u8b49\u4fee\u6539\u6548\u679c\uff0c\u4f60\u53ef\u4ee5\u5fb9\u5e95\u89e3\u6c7a\u300cToo many open files\u300d\u932f\u8aa4\uff0c\u91cb\u653e\u7cfb\u7d71\u7684\u5168\u90e8\u6548\u80fd\u6f5b\u529b\u3002\u8a18\u4f4f\u9075\u5faa\u6700\u4f73\u5be6\u8e10\u3001\u958b\u5c55\u8ca0\u8f09\u6e2c\u8a66\uff0c\u4e26\u5c07FD\u6700\u4f73\u5316\u8207\u5176\u4ed6\u6838\u5fc3\/\u670d\u52d9\u8abf\u6821\u7d50\u5408\uff0c\u6253\u9020\u7a69\u5065\u7684\u751f\u7522\u7d1a\u90e8\u7f72\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0d\u65bc\u7ba1\u7406\u57fa\u65bcLinux\u7684\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u4ee3\u7ba1\u74b0\u5883\u7684\u958b\u767c\u4eba\u54e1\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u800c\u8a00\uff0c\u9047\u5230\u300cToo many open [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/linux-file-descriptor-limits-optimization-for-high-concurrency\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":12,"featured_media":30430,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[267],"tags":[],"class_list":["post-30433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux\u6a94\u6848\u63cf\u8ff0\u7b26\u9650\u5236\u6700\u4f73\u5316\uff1a\u63d0\u5347\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u7684\u7cfb\u7d71\u7a69\u5b9a\u6027<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8a73\u89e3\u5982\u4f55\u6700\u4f73\u5316Linux\u6a94\u6848\u63cf\u8ff0\u7b26\u9650\u5236\uff0c\u89e3\u6c7a\u300cToo many open files\u300d\u5831\u932f\u554f\u984c\uff0c\u63d0\u5347\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e0b\u7684\u4f75\u767c\u80fd\u529b\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/linux-file-descriptor-limits-optimization-for-high-concurrency\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux\u6a94\u6848\u63cf\u8ff0\u7b26\u9650\u5236\u6700\u4f73\u5316\uff1a\u63d0\u5347\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u7684\u7cfb\u7d71\u7a69\u5b9a\u6027\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/linux-file-descriptor-limits-optimization-for-high-concurrency\/\" \/>\n<meta property=\"og:site_name\" content=\"Varidata Limited\" \/>\n<meta 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