{"id":50935,"date":"2024-10-08T14:49:15","date_gmt":"2024-10-08T06:49:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/50935\/"},"modified":"2024-10-08T14:49:15","modified_gmt":"2024-10-08T06:49:15","slug":"nginx-%e6%96%b0%e6%89%8b%e6%95%99%e7%a8%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae-sendfile-%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/50935\/","title":{"rendered":"Nginx \u65b0\u624b\u6559\u7a0b\uff1a\u8a2d\u7f6e sendfile \u6307\u4ee4"},"content":{"rendered":"<h1 id=\"nginx-%e6%96%b0%e6%89%8b%e6%95%99%e7%a8%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae-sendfile-%e6%8c%87%e4%bb%a4-TiHFXKwVYm\">Nginx \u65b0\u624b\u6559\u7a0b\uff1a\u8a2d\u7f6e sendfile \u6307\u4ee4<\/h1>\n<p>Nginx \u662f\u4e00\u6b3e\u9ad8\u6548\u80fd\u7684\u7db2\u9801\u4f3a\u670d\u5668\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u975c\u614b\u5167\u5bb9\u7684\u50b3\u905e\u3002\u5c0d\u65bc\u65b0\u624b\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u8a2d\u7f6e Nginx \u7684\u5404\u7a2e\u6307\u4ee4\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5176\u4e2d <code>sendfile<\/code> \u6307\u4ee4\u662f\u4e00\u500b\u95dc\u9375\u7684\u6027\u80fd\u512a\u5316\u5de5\u5177\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>sendfile<\/code> \u6307\u4ee4\u7684\u529f\u80fd\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5c0d\u4f3a\u670d\u5668\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sendfile-%e6%8c%87%e4%bb%a4%ef%bc%9f-TiHFXKwVYm\">\u4ec0\u9ebc\u662f sendfile \u6307\u4ee4\uff1f<\/h2>\n<p><code>sendfile<\/code> \u6307\u4ee4\u5141\u8a31 Nginx \u76f4\u63a5\u5f9e\u78c1\u789f\u4e2d\u5c07\u6a94\u6848\u50b3\u9001\u5230\u7db2\u8def\u5957\u63a5\u5b57\uff0c\u800c\u4e0d\u9700\u8981\u7d93\u904e\u7528\u6236\u7a7a\u9593\u7684\u7de9\u885d\u5340\u3002\u9019\u6a23\u7684\u505a\u6cd5\u53ef\u4ee5\u6e1b\u5c11\u4e0a\u4e0b\u6587\u5207\u63db\u7684\u958b\u92b7\uff0c\u5f9e\u800c\u63d0\u9ad8\u6a94\u6848\u50b3\u8f38\u7684\u6548\u7387\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u975c\u614b\u6a94\u6848\u6642\uff0c<code>sendfile<\/code> \u6307\u4ee4\u80fd\u986f\u8457\u63d0\u5347\u4f3a\u670d\u5668\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae-sendfile-%e6%8c%87%e4%bb%a4-TiHFXKwVYm\">\u5982\u4f55\u8a2d\u7f6e sendfile \u6307\u4ee4<\/h2>\n<p>\u8981\u5728 Nginx \u4e2d\u555f\u7528 <code>sendfile<\/code> \u6307\u4ee4\uff0c\u60a8\u9700\u8981\u7de8\u8f2f Nginx \u7684\u914d\u7f6e\u6a94\u6848\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u7684\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u6253\u958b Nginx \u914d\u7f6e\u6a94\u6848\uff0c\u901a\u5e38\u4f4d\u65bc <code>\/etc\/nginx\/nginx.conf<\/code>\u3002<\/li>\n<li>\u5728 <code>http<\/code> \u5340\u584a\u4e2d\u6dfb\u52a0\u6216\u4fee\u6539 <code>sendfile<\/code> \u6307\u4ee4\uff1a<\/li>\n<\/ol>\n<pre><code>http {\n    ...\n    sendfile on;\n    ...\n}<\/code><\/pre>\n<p>\u9019\u6a23\u5c31\u555f\u7528\u4e86 <code>sendfile<\/code>\u3002\u60a8\u53ef\u4ee5\u9078\u64c7\u5c07\u5176\u8a2d\u7f6e\u70ba <code>off<\/code> \u4f86\u7981\u7528\u6b64\u529f\u80fd\u3002<\/p>\n<h2 id=\"sendfile-%e7%9a%84%e5%85%b6%e4%bb%96%e9%81%b8%e9%a0%85-TiHFXKwVYm\">sendfile \u7684\u5176\u4ed6\u9078\u9805<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684 <code>sendfile on;<\/code> \u8a2d\u7f6e\u5916\uff0c\u9084\u6709\u5176\u4ed6\u76f8\u95dc\u7684\u6307\u4ee4\u53ef\u4ee5\u9032\u4e00\u6b65\u512a\u5316\u6027\u80fd\uff1a<\/p>\n<ul>\n<li><code>tcp_nopush<\/code>: \u6b64\u6307\u4ee4\u53ef\u4ee5\u5728 TCP \u50b3\u8f38\u4e2d\u512a\u5316\u6578\u64da\u5305\u7684\u767c\u9001\uff0c\u901a\u5e38\u8207 <code>sendfile<\/code> \u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<li><code>tcp_nodelay<\/code>: \u6b64\u6307\u4ee4\u53ef\u4ee5\u6e1b\u5c11\u5ef6\u9072\uff0c\u9069\u5408\u9700\u8981\u5373\u6642\u53cd\u61c9\u7684\u61c9\u7528\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u6307\u4ee4\u7684\u8a2d\u7f6e\u65b9\u6cd5\u8207 <code>sendfile<\/code> \u985e\u4f3c\uff0c\u60a8\u53ea\u9700\u5728 <code>http<\/code> \u5340\u584a\u4e2d\u6dfb\u52a0\u5373\u53ef\uff1a<\/p>\n<pre><code>http {\n    ...\n    sendfile on;\n    tcp_nopush on;\n    tcp_nodelay on;\n    ...\n}<\/code><\/pre>\n<h2 id=\"sendfile-%e7%9a%84%e6%80%a7%e8%83%bd%e5%bd%b1%e9%9f%bf-TiHFXKwVYm\">sendfile \u7684\u6027\u80fd\u5f71\u97ff<\/h2>\n<p>\u555f\u7528 <code>sendfile<\/code> \u6307\u4ee4\u5f8c\uff0c\u4f3a\u670d\u5668\u5728\u8655\u7406\u975c\u614b\u6a94\u6848\u6642\u7684\u6027\u80fd\u6703\u6709\u986f\u8457\u63d0\u5347\u3002\u6839\u64da\u4e00\u4e9b\u6e2c\u8a66\uff0c\u4f7f\u7528 <code>sendfile<\/code> \u53ef\u4ee5\u5c07\u6a94\u6848\u50b3\u8f38\u901f\u5ea6\u63d0\u9ad8 20% \u5230 30%\u3002\u9019\u5c0d\u65bc\u9ad8\u6d41\u91cf\u7684\u7db2\u7ad9\u4f86\u8aaa\uff0c\u80fd\u5920\u6709\u6548\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u4e26\u63d0\u9ad8\u7528\u6236\u7684\u8a2a\u554f\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-TiHFXKwVYm\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136 <code>sendfile<\/code> \u6307\u4ee4\u80fd\u5920\u63d0\u5347\u6027\u80fd\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u554f\u984c\u3002\u4f8b\u5982\uff0c\u7576\u4f7f\u7528 Nginx \u4f5c\u70ba\u53cd\u5411\u4ee3\u7406\u6642\uff0c<code>sendfile<\/code> \u53ef\u80fd\u6703\u5f71\u97ff\u5230\u52d5\u614b\u5167\u5bb9\u7684\u50b3\u8f38\u3002\u56e0\u6b64\uff0c\u5728\u555f\u7528\u6b64\u6307\u4ee4\u4e4b\u524d\uff0c\u5efa\u8b70\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u5176\u4e0d\u6703\u5c0d\u60a8\u7684\u61c9\u7528\u9020\u6210\u8ca0\u9762\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TiHFXKwVYm\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86 Nginx \u7684 <code>sendfile<\/code> \u6307\u4ee4\u53ca\u5176\u8a2d\u7f6e\u65b9\u6cd5\u3002\u900f\u904e\u6b63\u78ba\u7684\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u4f3a\u670d\u5668\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u975c\u614b\u6a94\u6848\u6642\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Nginx \u4e2d\u8a2d\u7f6e sendfile \u6307\u4ee4\uff0c\u63d0\u5347\u6587\u4ef6\u50b3\u8f38\u6548\u7387\uff0c\u9069\u5408\u65b0\u624b\u7684\u8a73\u7d30\u6559\u7a0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-50935","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=50935"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50935\/revisions"}],"predecessor-version":[{"id":50936,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/50935\/revisions\/50936"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=50935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=50935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=50935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}