{"id":2443,"date":"2022-10-18T10:24:47","date_gmt":"2022-10-18T02:24:47","guid":{"rendered":"https:\/\/199604.com\/?p=2443"},"modified":"2022-10-17T14:19:21","modified_gmt":"2022-10-17T06:19:21","slug":"k8s%e4%b8%adcgroup%ef%bc%9asystemd%e5%92%8ccgroupfs%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/199604.com\/2443","title":{"rendered":"k8s\u4e2dCgroup\uff1asystemd\u548ccgroupfs\u7684\u533a\u522b"},"content":{"rendered":"<h1>k8s\u4e2dCgroup\uff1asystemd\u548ccgroupfs\u7684\u533a\u522b<\/h1>\n<h2>\u4ec0\u4e48\u662fCgroup<\/h2>\n<p>Cgroup\u662fcontrol group\u7684\u7b80\u5199\uff0c\u5c5e\u4e8eLinux\u5185\u6838\u63d0\u4f9b\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u7528\u4e8e\u9650\u5236\u548c\u9694\u79bb\u4e00\u7ec4\u8fdb\u7a0b\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u4f7f\u7528\uff0c\u4e5f\u5c31\u662f\u505a\u8d44\u6e90QoS\uff0c\u8fd9\u4e9b\u8d44\u6e90\u4e3b\u8981\u5305\u62ecCPU\u3001\u5185\u5b58\u3001block I\/O\u548c\u7f51\u7edc\u5e26\u5bbd\u3002Cgroup\u4ece2.6.24\u5f00\u59cb\u8fdb\u5165\u5185\u6838\u4e3b\u7ebf\uff0c\u76ee\u524d\u5404\u5927\u53d1\u884c\u7248\u90fd\u9ed8\u8ba4\u6253\u5f00\u4e86Cgroup\u7279\u6027<\/p>\n<h2>\u4ec0\u4e48\u662fCgroupfs<\/h2>\n<p>Cgroup\u63d0\u4f9b\u4e86\u4e00\u4e2a\u539f\u751f\u63a5\u53e3\u5e76\u901a\u8fc7cgroupfs\u63d0\u4f9b\uff08\u4ece\u8fd9\u53e5\u8bdd\u6211\u4eec\u53ef\u4ee5\u77e5\u9053cgroupfs\u5c31\u662fCgroup\u7684\u4e00\u4e2a\u63a5\u53e3\u7684\u5c01\u88c5\uff09\u3002\u7c7b\u4f3c\u4e8eprocfs\u548csysfs\uff0c\u662f\u4e00\u79cd\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\u3002\u5e76\u4e14cgroupfs\u662f\u53ef\u4ee5\u6302\u8f7d\u7684\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6302\u8f7d\u5728<code>\/sys\/fs\/cgroup<\/code>\u76ee\u5f55\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qn.199604.com\/typoraImg\/image-20221017141119995.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/qn.199604.com\/typoraImg\/image-20221017141119995.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221017141119995\" \/><\/div><\/p>\n<h2>\u4ec0\u4e48\u662fSystemd<\/h2>\n<p>Systemd\u4e5f\u662f\u5bf9\u4e8eCgroup\u63a5\u53e3\u7684\u4e00\u4e2a\u5c01\u88c5\u3002systemd\u4ee5PID1\u7684\u5f62\u5f0f\u5728\u7cfb\u7edf\u542f\u52a8\u7684\u65f6\u5019\u8fd0\u884c\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u5957\u7cfb\u7edf\u7ba1\u7406\u5b88\u62a4\u7a0b\u5e8f\u3001\u5e93\u548c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u7528\u6765\u63a7\u5236\u3001\u7ba1\u7406Linux\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u8d44\u6e90\u3002\u901a\u8fc7systemd-cgls\u547d\u4ee4\u6211\u4eec\u53ef\u4ee5\u770b\u5230systemd\u5de5\u4f5c\u7684\u8fdb\u7a0bPID\u662f1\uff0c\u800c\u76ee\u5f55<code>\/sys\/fs\/cgroup\/systemd<\/code>\u662fsystemd\u7ef4\u62a4\u7684\u81ea\u5df1\u4f7f\u7528\u7684\u975esubsystem\u7684cgroups\u5c42\u7ea7\u7ed3\u6784<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qn.199604.com\/typoraImg\/image-20221017141318703.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/qn.199604.com\/typoraImg\/image-20221017141318703.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221017141318703\" \/><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>k8s\u4e2dCgroup\uff1asystemd\u548ccgroupfs\u7684\u533a\u522b \u4ec0\u4e48\u662fCgroup Cgroup\u662fcontrol [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[332,353],"tags":[226,352],"class_list":["post-2443","post","type-post","status-publish","format-standard","hentry","category-docker","category-kubernetes","tag-docker","tag-k8s"],"_links":{"self":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/comments?post=2443"}],"version-history":[{"count":1,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2443\/revisions"}],"predecessor-version":[{"id":2444,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2443\/revisions\/2444"}],"wp:attachment":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/media?parent=2443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/categories?post=2443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/tags?post=2443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}