{"id":43936,"date":"2024-10-06T11:38:13","date_gmt":"2024-10-06T03:38:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43936\/"},"modified":"2024-10-06T11:38:14","modified_gmt":"2024-10-06T03:38:14","slug":"centos-7-%e4%b8%ad%e7%a6%81%e7%94%a8-transparent-huge-pages","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43936\/","title":{"rendered":"CentOS 7 \u4e2d\u7981\u7528 Transparent Huge Pages"},"content":{"rendered":"<h1 id=\"centos-7-%e4%b8%ad%e7%a6%81%e7%94%a8-transparent-huge-pages-xNIzMvlkMw\">CentOS 7 \u4e2d\u7981\u7528 Transparent Huge Pages<\/h1>\n<p>\u5728\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u6027\u80fd\u512a\u5316\u662f\u6bcf\u4f4d\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u4efb\u52d9\u4e4b\u4e00\u3002Transparent Huge Pages\uff08THP\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u63d0\u9ad8\u5167\u5b58\u7ba1\u7406\u6548\u7387\u7684\u6280\u8853\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5b83\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 CentOS 7 \u4e2d\u7981\u7528 Transparent Huge Pages \u4ee5\u53ca\u9019\u6a23\u505a\u7684\u539f\u56e0\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-transparent-huge-pages%ef%bc%9f-xNIzMvlkMw\">\u4ec0\u9ebc\u662f Transparent Huge Pages\uff1f<\/h2>\n<p>Transparent Huge Pages \u662f Linux \u6838\u5fc3\u7684\u4e00\u9805\u529f\u80fd\uff0c\u65e8\u5728\u81ea\u52d5\u7ba1\u7406\u5927\u9801\u9762\uff08Huge Pages\uff09\u3002\u5927\u9801\u9762\u662f\u6307\u6bd4\u6a19\u6e96\u9801\u9762\uff08\u901a\u5e38\u70ba 4KB\uff09\u66f4\u5927\u7684\u5167\u5b58\u9801\u9762\uff0c\u901a\u5e38\u70ba 2MB \u6216\u66f4\u5927\u3002\u4f7f\u7528\u5927\u9801\u9762\u53ef\u4ee5\u6e1b\u5c11\u9801\u9762\u8868\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u5167\u5b58\u8a2a\u554f\u7684\u6548\u7387\u3002<\/p>\n<p>\u7136\u800c\uff0cTHP \u7684\u81ea\u52d5\u7ba1\u7406\u7279\u6027\u5728\u67d0\u4e9b\u5de5\u4f5c\u8ca0\u8f09\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u4f4e\u5ef6\u9072\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u9019\u662f\u56e0\u70ba THP \u53ef\u80fd\u6703\u5728\u4e0d\u9069\u7576\u7684\u6642\u5019\u9032\u884c\u9801\u9762\u5408\u4f75\u6216\u5206\u88c2\uff0c\u5f9e\u800c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e7%a6%81%e7%94%a8-transparent-huge-pages%ef%bc%9f-xNIzMvlkMw\">\u70ba\u4ec0\u9ebc\u7981\u7528 Transparent Huge Pages\uff1f<\/h2>\n<p>\u7981\u7528 THP \u7684\u539f\u56e0\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u554f\u984c\uff1a<\/strong>\u67d0\u4e9b\u61c9\u7528\u7a0b\u5e8f\uff08\u5982\u6578\u64da\u5eab\uff09\u5728\u4f7f\u7528 THP \u6642\u53ef\u80fd\u6703\u51fa\u73fe\u5ef6\u9072\u589e\u52a0\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u53ef\u9810\u6e2c\u6027\uff1a<\/strong>\u7981\u7528 THP \u53ef\u4ee5\u63d0\u9ad8\u5167\u5b58\u4f7f\u7528\u7684\u53ef\u9810\u6e2c\u6027\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u517c\u5bb9\u6027\uff1a<\/strong>\u67d0\u4e9b\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u4e0d\u652f\u6301 THP\uff0c\u7981\u7528\u5b83\u53ef\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u517c\u5bb9\u6027\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-7-%e4%b8%ad%e7%a6%81%e7%94%a8-transparent-huge-pages-xNIzMvlkMw\">\u5982\u4f55\u5728 CentOS 7 \u4e2d\u7981\u7528 Transparent Huge Pages<\/h2>\n<p>\u7981\u7528 THP \u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u5b8c\u6210\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e6%aa%a2%e6%9f%a5-thp-%e7%8b%80%e6%85%8b-xNIzMvlkMw\">\u6b65\u9a5f 1\uff1a\u6aa2\u67e5 THP \u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 THP \u7684\u7576\u524d\u72c0\u614b\uff1a<\/p>\n<pre><code>cat \/sys\/kernel\/mm\/transparent_hugepage\/enabled<\/code><\/pre>\n<p>\u5982\u679c\u8f38\u51fa\u986f\u793a\u70ba <code>[always]<\/code> \u6216 <code>[madvise]<\/code>\uff0c\u5247\u8868\u793a THP \u5df2\u555f\u7528\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e7%a6%81%e7%94%a8-thp-xNIzMvlkMw\">\u6b65\u9a5f 2\uff1a\u7981\u7528 THP<\/h3>\n<p>\u8981\u7981\u7528 THP\uff0c\u60a8\u9700\u8981\u7de8\u8f2f <code>\/etc\/rc.local<\/code> \u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>echo never &gt; \/sys\/kernel\/mm\/transparent_hugepage\/enabled<\/code><\/pre>\n<p>\u78ba\u4fdd <code>\/etc\/rc.local<\/code> \u6587\u4ef6\u5177\u6709\u53ef\u57f7\u884c\u6b0a\u9650\uff1a<\/p>\n<pre><code>chmod +x \/etc\/rc.local<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e7%ab%8b%e5%8d%b3%e7%a6%81%e7%94%a8-thp-xNIzMvlkMw\">\u6b65\u9a5f 3\uff1a\u7acb\u5373\u7981\u7528 THP<\/h3>\n<p>\u70ba\u4e86\u7acb\u5373\u7981\u7528 THP\uff0c\u60a8\u53ef\u4ee5\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>echo never &gt; \/sys\/kernel\/mm\/transparent_hugepage\/enabled<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u7576\u524d\u6703\u8a71\u4e2d\u7981\u7528 THP\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u555f\u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xNIzMvlkMw\">\u7e3d\u7d50<\/h2>\n<p>\u7981\u7528 Transparent Huge Pages \u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u9700\u8981\u4f4e\u5ef6\u9072\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u901a\u904e\u7c21\u55ae\u7684\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5728 CentOS 7 \u4e2d\u8f15\u9b06\u7981\u7528 THP\uff0c\u5f9e\u800c\u512a\u5316\u7cfb\u7d71\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to disable Transparent Huge Pages in CentOS 7 to optimize performance and improve application responsiveness. Step-by-step guide included.<\/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-43936","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43936","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=43936"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43936\/revisions"}],"predecessor-version":[{"id":43937,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43936\/revisions\/43937"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}