{"id":45164,"date":"2024-10-06T20:56:34","date_gmt":"2024-10-06T12:56:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45164\/"},"modified":"2024-10-06T20:56:34","modified_gmt":"2024-10-06T12:56:34","slug":"%e5%9f%ba%e6%96%bc-centos-%e7%9a%84%e4%bc%81%e6%a5%ad%e6%9e%b6%e6%a7%8b%e8%a6%8f%e5%8a%83%e5%8f%8a%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%84%aa%e5%8c%96%e5%8f%83%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45164\/","title":{"rendered":"\u57fa\u65bc CentOS \u7684\u4f01\u696d\u67b6\u69cb\u898f\u5283\u53ca\u4f3a\u670d\u5668\u512a\u5316\u53c3\u6578"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-centos-%e7%9a%84%e4%bc%81%e6%a5%ad%e6%9e%b6%e6%a7%8b%e8%a6%8f%e5%8a%83%e5%8f%8a%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%84%aa%e5%8c%96%e5%8f%83%e6%95%b8-lAlulMhkvp\">\u57fa\u65bc CentOS \u7684\u4f01\u696d\u67b6\u69cb\u898f\u5283\u53ca\u4f3a\u670d\u5668\u512a\u5316\u53c3\u6578<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u4f01\u696d\u5c0d\u65bc\u4f3a\u670d\u5668\u7684\u9700\u6c42\u65e5\u76ca\u589e\u52a0\uff0c\u7279\u5225\u662f\u57fa\u65bc CentOS \u7684\u4f3a\u670d\u5668\u67b6\u69cb\u898f\u5283\u3002CentOS \u4f5c\u70ba\u4e00\u500b\u7a69\u5b9a\u4e14\u5b89\u5168\u7684 Linux \u767c\u884c\u7248\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u898f\u5283\u57fa\u65bc CentOS \u7684\u4f01\u696d\u67b6\u69cb\uff0c\u4e26\u63d0\u4f9b\u4f3a\u670d\u5668\u512a\u5316\u7684\u53c3\u6578\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81%e4%bc%81%e6%a5%ad%e6%9e%b6%e6%a7%8b%e8%a6%8f%e5%8a%83-lAlulMhkvp\">\u4e00\u3001\u4f01\u696d\u67b6\u69cb\u898f\u5283<\/h2>\n<p>\u4f01\u696d\u67b6\u69cb\u898f\u5283\u662f\u78ba\u4fdd IT \u57fa\u790e\u8a2d\u65bd\u80fd\u5920\u652f\u6301\u696d\u52d9\u9700\u6c42\u7684\u95dc\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u9700\u6c42\u5206\u6790\uff1a<\/strong>\u9996\u5148\uff0c\u4f01\u696d\u9700\u8981\u660e\u78ba\u5176\u696d\u52d9\u9700\u6c42\uff0c\u5305\u62ec\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u8981\u6c42\u3001\u7528\u6236\u6578\u91cf\u53ca\u6578\u64da\u5b58\u5132\u9700\u6c42\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u9700\u6c42\u5206\u6790\uff0c\u5408\u7406\u914d\u7f6e CPU\u3001\u5167\u5b58\u3001\u5b58\u5132\u53ca\u7db2\u7d61\u5e36\u5bec\u7b49\u8cc7\u6e90\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\u8003\u91cf\uff1a<\/strong>\u5728\u67b6\u69cb\u8a2d\u8a08\u4e2d\uff0c\u5fc5\u9808\u8003\u616e\u5230\u5b89\u5168\u6027\uff0c\u5305\u62ec\u9632\u706b\u7246\u8a2d\u7f6e\u3001\u6578\u64da\u52a0\u5bc6\u53ca\u7528\u6236\u6b0a\u9650\u7ba1\u7406\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%ba%8c%e3%80%81%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%84%aa%e5%8c%96%e5%8f%83%e6%95%b8-lAlulMhkvp\">\u4e8c\u3001\u4f3a\u670d\u5668\u512a\u5316\u53c3\u6578<\/h2>\n<p>\u5728 CentOS \u74b0\u5883\u4e2d\uff0c\u4f3a\u670d\u5668\u7684\u6027\u80fd\u512a\u5316\u662f\u63d0\u5347\u7cfb\u7d71\u6548\u7387\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684\u512a\u5316\u53c3\u6578\uff1a<\/p>\n<h3 id=\"1-%e7%b3%bb%e7%b5%b1%e5%85%a7%e6%a0%b8%e5%8f%83%e6%95%b8%e8%aa%bf%e6%95%b4-lAlulMhkvp\">1. \u7cfb\u7d71\u5167\u6838\u53c3\u6578\u8abf\u6574<\/h3>\n<p>\u4f7f\u7528 <code>sysctl<\/code> \u547d\u4ee4\u53ef\u4ee5\u8abf\u6574\u5167\u6838\u53c3\u6578\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u53c3\u6578\uff1a<\/p>\n<pre><code>net.ipv4.tcp_fin_timeout = 15\nnet.ipv4.tcp_keepalive_time = 1200\nnet.ipv4.tcp_max_syn_backlog = 2048\n<\/code><\/pre>\n<p>\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11 TCP \u9023\u63a5\u7684\u7b49\u5f85\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u7db2\u7d61\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-%e6%96%87%e4%bb%b6%e7%b3%bb%e7%b5%b1%e5%84%aa%e5%8c%96-lAlulMhkvp\">2. \u6587\u4ef6\u7cfb\u7d71\u512a\u5316<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6587\u4ef6\u7cfb\u7d71\u5c0d\u65bc\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u5c0d\u65bc\u5927\u591a\u6578\u4f01\u696d\u61c9\u7528\uff0c<code>XFS<\/code> \u6216 <code>EXT4<\/code> \u662f\u4e0d\u932f\u7684\u9078\u64c7\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u683c\u5f0f\u5316\u6587\u4ef6\u7cfb\u7d71\uff1a<\/p>\n<pre><code>mkfs.xfs \/dev\/sdX1\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u5b9a\u671f\u9032\u884c\u6587\u4ef6\u7cfb\u7d71\u7684\u6e05\u7406\u548c\u788e\u7247\u6574\u7406\u4e5f\u662f\u5fc5\u8981\u7684\u3002<\/p>\n<h3 id=\"3-%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-lAlulMhkvp\">3. \u5167\u5b58\u7ba1\u7406<\/h3>\n<p>\u5167\u5b58\u7684\u6709\u6548\u7ba1\u7406\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u4f3a\u670d\u5668\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u8abf\u6574 <code>vm.swappiness<\/code> \u53c3\u6578\u4f86\u63a7\u5236\u7cfb\u7d71\u4f7f\u7528\u4ea4\u63db\u7a7a\u9593\u7684\u983b\u7387\uff1a<\/p>\n<pre><code>echo 10 &gt; \/proc\/sys\/vm\/swappiness\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u4f7f\u7cfb\u7d71\u66f4\u50be\u5411\u65bc\u4f7f\u7528\u7269\u7406\u5167\u5b58\uff0c\u800c\u4e0d\u662f\u4ea4\u63db\u7a7a\u9593\u3002<\/p>\n<h2 id=\"%e4%b8%89%e3%80%81%e7%9b%a3%e6%8e%a7%e8%88%87%e7%b6%ad%e8%ad%b7-lAlulMhkvp\">\u4e09\u3001\u76e3\u63a7\u8207\u7dad\u8b77<\/h2>\n<p>\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u7dad\u8b77\u662f\u78ba\u4fdd\u4f3a\u670d\u5668\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528 <code>top<\/code>\u3001<code>htop<\/code> \u548c <code>iostat<\/code> \u7b49\u5de5\u5177\u4f86\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u6f5b\u5728\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lAlulMhkvp\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc CentOS \u7684\u4f01\u696d\u67b6\u69cb\u898f\u5283\u53ca\u4f3a\u670d\u5668\u512a\u5316\u662f\u4e00\u500b\u7cfb\u7d71\u6027\u5de5\u7a0b\uff0c\u6d89\u53ca\u9700\u6c42\u5206\u6790\u3001\u8cc7\u6e90\u914d\u7f6e\u3001\u5b89\u5168\u6027\u8003\u91cf\u53ca\u6027\u80fd\u512a\u5316\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u5408\u7406\u7684\u67b6\u69cb\u8a2d\u8a08\u548c\u53c3\u6578\u8abf\u6574\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u4f3a\u670d\u5668\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc CentOS \u7684\u4f01\u696d\u67b6\u69cb\u898f\u5283\u8207\u4f3a\u670d\u5668\u512a\u5316\u53c3\u6578\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u52a9\u529b\u696d\u52d9\u767c\u5c55\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-45164","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45164","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=45164"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45164\/revisions"}],"predecessor-version":[{"id":45165,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45164\/revisions\/45165"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}