{"id":44484,"date":"2024-10-06T15:57:20","date_gmt":"2024-10-06T07:57:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44484\/"},"modified":"2024-10-06T15:57:20","modified_gmt":"2024-10-06T07:57:20","slug":"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%8f%af%e8%aa%bf%e6%95%b4%e7%9a%84%e9%80%b2%e7%a8%8b%e8%b3%87%e6%ba%90%e9%99%90%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44484\/","title":{"rendered":"Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u53ef\u8abf\u6574\u7684\u9032\u7a0b\u8cc7\u6e90\u9650\u5236"},"content":{"rendered":"<h1 id=\"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%8f%af%e8%aa%bf%e6%95%b4%e7%9a%84%e9%80%b2%e7%a8%8b%e8%b3%87%e6%ba%90%e9%99%90%e5%88%b6-bWxjqUtWHV\">Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u53ef\u8abf\u6574\u7684\u9032\u7a0b\u8cc7\u6e90\u9650\u5236<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u4f3a\u670d\u5668\u5b89\u5168\u6027\u6210\u70ba\u4e86\u4f01\u696d\u904b\u71df\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4f7f\u7528 Linux \u7cfb\u7d71\u7684\u4f3a\u670d\u5668\uff0c\u5be6\u65bd\u6709\u6548\u7684\u5b89\u5168\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u53ef\u8abf\u6574\u7684\u9032\u7a0b\u8cc7\u6e90\u9650\u5236\uff0c\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u5b89\u5168\u7b56\u7565\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406\u4f3a\u670d\u5668\u8cc7\u6e90\uff0c\u9632\u6b62\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%80%b2%e7%a8%8b%e8%b3%87%e6%ba%90%e9%99%90%e5%88%b6%ef%bc%9f-bWxjqUtWHV\">\u4ec0\u9ebc\u662f\u9032\u7a0b\u8cc7\u6e90\u9650\u5236\uff1f<\/h2>\n<p>\u9032\u7a0b\u8cc7\u6e90\u9650\u5236\u662f\u6307\u5c0d\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u7684\u9032\u7a0b\u6240\u80fd\u4f7f\u7528\u7684\u8cc7\u6e90\u9032\u884c\u9650\u5236\u3002\u9019\u4e9b\u8cc7\u6e90\u5305\u62ec CPU \u6642\u9593\u3001\u5167\u5b58\u4f7f\u7528\u91cf\u3001\u6587\u4ef6\u6578\u91cf\u7b49\u3002\u901a\u904e\u8a2d\u7f6e\u9019\u4e9b\u9650\u5236\uff0c\u53ef\u4ee5\u9632\u6b62\u55ae\u500b\u9032\u7a0b\u6d88\u8017\u904e\u591a\u7684\u7cfb\u7d71\u8cc7\u6e90\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u500b\u4f3a\u670d\u5668\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%80%b2%e7%a8%8b%e8%b3%87%e6%ba%90%e9%99%90%e5%88%b6%ef%bc%9f-bWxjqUtWHV\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9032\u7a0b\u8cc7\u6e90\u9650\u5236\uff1f<\/h2>\n<ul>\n<li><strong>\u9632\u6b62\u8cc7\u6e90\u6feb\u7528\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u9032\u7a0b\u88ab\u653b\u64ca\u8005\u5229\u7528\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u7684\u904e\u5ea6\u6d88\u8017\uff0c\u5f71\u97ff\u5176\u4ed6\u5408\u6cd5\u7528\u6236\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u7cfb\u7d71\u7a69\u5b9a\u6027\uff1a<\/strong>\u901a\u904e\u9650\u5236\u6bcf\u500b\u9032\u7a0b\u7684\u8cc7\u6e90\u4f7f\u7528\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u4ecd\u7136\u80fd\u5920\u7a69\u5b9a\u904b\u884c\u3002<\/li>\n<li><strong>\u589e\u5f37\u5b89\u5168\u6027\uff1a<\/strong>\u9650\u5236\u9032\u7a0b\u7684\u8cc7\u6e90\u4f7f\u7528\u53ef\u4ee5\u6e1b\u5c11\u6f5b\u5728\u7684\u653b\u64ca\u9762\uff0c\u964d\u4f4e\u7cfb\u7d71\u88ab\u653b\u64ca\u7684\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e9%80%b2%e7%a8%8b%e8%b3%87%e6%ba%90%e9%99%90%e5%88%b6-bWxjqUtWHV\">\u5982\u4f55\u8a2d\u7f6e\u9032\u7a0b\u8cc7\u6e90\u9650\u5236<\/h2>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ulimit<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9032\u7a0b\u7684\u8cc7\u6e90\u9650\u5236\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5728 shell \u4e2d\u904b\u884c\uff0c\u4e26\u4e14\u53ef\u4ee5\u8a2d\u7f6e\u591a\u7a2e\u4e0d\u540c\u7684\u8cc7\u6e90\u9650\u5236\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-ulimit-%e8%a8%ad%e7%bd%ae%e8%b3%87%e6%ba%90%e9%99%90%e5%88%b6-bWxjqUtWHV\">\u4f7f\u7528 ulimit \u8a2d\u7f6e\u8cc7\u6e90\u9650\u5236<\/h3>\n<pre><code>ulimit -u 100  # \u9650\u5236\u6700\u5927\u9032\u7a0b\u6578\u70ba 100\nulimit -n 1024 # \u9650\u5236\u6700\u5927\u6253\u958b\u6587\u4ef6\u6578\u70ba 1024\nulimit -v 500000 # \u9650\u5236\u865b\u64ec\u5167\u5b58\u4f7f\u7528\u91cf\u70ba 500MB\n<\/code><\/pre>\n<p>\u9019\u4e9b\u8a2d\u7f6e\u53ef\u4ee5\u5728\u7528\u6236\u7684 shell \u914d\u7f6e\u6587\u4ef6\u4e2d\u9032\u884c\u6c38\u4e45\u6027\u8a2d\u7f6e\uff0c\u4f8b\u5982\u5728 <code>~\/.bashrc<\/code> \u6216 <code>\/etc\/security\/limits.conf<\/code> \u4e2d\u9032\u884c\u914d\u7f6e\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-cgroups-%e9%80%b2%e8%a1%8c%e6%9b%b4%e7%b4%b0%e7%b2%92%e5%ba%a6%e7%9a%84%e6%8e%a7%e5%88%b6-bWxjqUtWHV\">\u4f7f\u7528 cgroups \u9032\u884c\u66f4\u7d30\u7c92\u5ea6\u7684\u63a7\u5236<\/h3>\n<p>\u9664\u4e86 <code>ulimit<\/code>\uff0cLinux \u9084\u63d0\u4f9b\u4e86 cgroups\uff08\u63a7\u5236\u7d44\uff09\u529f\u80fd\uff0c\u9019\u662f\u4e00\u7a2e\u66f4\u70ba\u5f37\u5927\u7684\u8cc7\u6e90\u7ba1\u7406\u5de5\u5177\u3002cgroups \u5141\u8a31\u7528\u6236\u5c0d\u9032\u7a0b\u9032\u884c\u5206\u7d44\uff0c\u4e26\u5c0d\u9019\u4e9b\u7d44\u65bd\u52a0\u8cc7\u6e90\u9650\u5236\u3002<\/p>\n<pre><code>sudo cgcreate -g memory,cpu:\/mygroup\nsudo cgset -r memory.limit_in_bytes=500M mygroup\nsudo cgset -r cpu.shares=512 mygroup\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u6240\u6709\u88ab\u5206\u914d\u5230 <code>mygroup<\/code> \u7684\u9032\u7a0b\u90fd\u5c07\u53d7\u5230\u76f8\u61c9\u7684\u8cc7\u6e90\u9650\u5236\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e8%b3%87%e6%ba%90%e4%bd%bf%e7%94%a8-bWxjqUtWHV\">\u76e3\u63a7\u548c\u8abf\u6574\u8cc7\u6e90\u4f7f\u7528<\/h2>\n<p>\u8a2d\u7f6e\u8cc7\u6e90\u9650\u5236\u5f8c\uff0c\u6301\u7e8c\u76e3\u63a7\u7cfb\u7d71\u7684\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 <code>top<\/code>\u3001<code>htop<\/code> \u6216 <code>vmstat<\/code> \u7b49\u5de5\u5177\u4f86\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u8cc7\u6e90\u9650\u5236\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-bWxjqUtWHV\">\u7d50\u8ad6<\/h2>\n<p>\u53ef\u8abf\u6574\u7684\u9032\u7a0b\u8cc7\u6e90\u9650\u5236\u662f Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u548c\u7ba1\u7406\u9019\u4e9b\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>ulimit<\/code> \u9084\u662f cgroups\uff0c\u9019\u4e9b\u5de5\u5177\u90fd\u80fd\u5e6b\u52a9\u7cfb\u7d71\u7ba1\u7406\u54e1\u66f4\u597d\u5730\u63a7\u5236\u4f3a\u670d\u5668\u8cc7\u6e90\uff0c\u9632\u6b62\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u4f3a\u670d\u5668\u5b89\u5168\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Linux\u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u8abf\u6574\u9032\u7a0b\u8cc7\u6e90\u9650\u5236\u4ee5\u589e\u5f37\u7cfb\u7d71\u5b89\u5168\u6027\u548c\u7a69\u5b9a\u6027\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-44484","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44484","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=44484"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44484\/revisions"}],"predecessor-version":[{"id":44485,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44484\/revisions\/44485"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}