{"id":10020383,"date":"2024-11-07T08:22:19","date_gmt":"2024-11-07T00:22:19","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020383"},"modified":"2024-11-07T08:22:19","modified_gmt":"2024-11-07T00:22:19","slug":"kubernetes-extended-resource-%e6%89%a9%e5%b1%95%e8%b5%84%e6%ba%90%e4%bd%bf%e7%94%a8%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020383","title":{"rendered":"Kubernetes Extended Resource \u6269\u5c55\u8d44\u6e90\u4f7f\u7528\u7b80\u4ecb"},"content":{"rendered":"<p>Kubernetes \u9664\u4e86\u63d0\u4f9b\u57fa\u4e8e CPU \u548c\u5185\u5b58\u7684\u4f20\u7edf\u8ba1\u7b97\u8d44\u6e90\u8c03\u5ea6\u5916\uff0c\u8fd8\u652f\u6301\u81ea\u5b9a\u4e49\u7684 <code>Extended Resource<\/code> \u6269\u5c55\u8d44\u6e90\uff0c\u4ee5\u4fbf\u8c03\u5ea6\u548c\u7ba1\u7406\u5176\u5b83\u5404\u79cd\u7c7b\u578b\u7684\u8d44\u6e90\u3002<\/p>\n<h2>Extended Resource<\/h2>\n<p><code>Extended Resource<\/code> \u6269\u5c55\u8d44\u6e90\u7684\u521b\u5efa\u548c\u4f7f\u7528\u8fc7\u7a0b\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045453092\" alt=\"\" title=\"\"><\/p>\n<ol>\n<li>\u5b9a\u4e49\u8d44\u6e90\uff1a\u7528\u6237\u6216\u7ba1\u7406\u5458\u901a\u8fc7 Kubernetes API \u5411\u7279\u5b9a\u7684\u8282\u70b9\u65b0\u589e\u81ea\u5b9a\u4e49\u7684\u6269\u5c55\u8d44\u6e90\uff08\u5373\u4fee\u6539\u8282\u70b9\u7684 status \u4fe1\u606f\uff09\u3002\u4f8b\u5982\uff0c\u56fe\u4e2d\u65b0\u589e\u7684\u8d44\u6e90 <code>example.com\/dongle<\/code>\uff0c\u62e5\u6709 4 \u4e2a\u5355\u4f4d\u3002<\/li>\n<li>\u8282\u70b9\u540c\u6b65\u8d44\u6e90\uff1a<code>kubelet<\/code> \u4f1a\u5728\u5b9a\u65f6\u540c\u6b65\u8282\u70b9\u72b6\u6001\u65f6\uff0c\u901a\u8fc7 <code>GET \/api\/v1\/nodes\/&lt;nodeName&gt;<\/code> \u8bf7\u6c42\u4ece <code>kube-apiserver<\/code> \u83b7\u53d6\u8282\u70b9\u7684\u8d44\u6e90\u4fe1\u606f\uff0c\u4ece\u800c\u540c\u6b65\u5230\u8be5\u6269\u5c55\u8d44\u6e90\u7684\u6570\u636e\u3002<\/li>\n<li>\u8c03\u5ea6\u548c\u4f7f\u7528\uff1a\u7528\u6237\u521b\u5efa\u4e00\u4e2a\u8bf7\u6c42 <code>example.com\/dongle<\/code> \u6269\u5c55\u8d44\u6e90\u7684 Pod\uff0c<code>Scheduler<\/code> \u4f1a\u5c06\u8be5 Pod \u8c03\u5ea6\u5230\u6ee1\u8db3\u6761\u4ef6\u7684\u8282\u70b9\u4e0a\u3002\u968f\u540e\u8be5\u8282\u70b9\u4e0a\u7684 <code>kubelet<\/code> \u8d1f\u8d23\u521b\u5efa\u548c\u542f\u52a8 Pod\u3002<\/li>\n<\/ol>\n<p>\u4e00\u65e6 <code>Extended Resource<\/code> \u88ab\u6dfb\u52a0\u5230\u8282\u70b9\u4e0a\uff0cKubernetes \u5c06\u81ea\u52a8\u7ba1\u7406\u8be5\u8d44\u6e90\u5728 Pod \u8c03\u5ea6\u548c\u521b\u5efa\u8fc7\u7a0b\u4e2d\u7684\u5206\u914d\u548c\u4f7f\u7528\u60c5\u51b5\uff0c\u65e0\u9700\u7528\u6237\u624b\u52a8\u5e72\u9884\u3002<\/p>\n<p>\u7136\u800c\uff0c<strong>\u8282\u70b9\u7684 <code>status.allocatable<\/code> \u4e2d\u7684\u6269\u5c55\u8d44\u6e90\u4fe1\u606f\u4e0d\u4f1a\u968f\u7740 Pod \u7684\u521b\u5efa\u548c\u5220\u9664\u5b9e\u65f6\u66f4\u65b0<\/strong>\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u67d0\u4e2a Pod \u4f7f\u7528\u4e86 <code>example.com\/dongle<\/code> \u7684 3 \u4e2a\u5355\u4f4d\u8d44\u6e90\uff0c\u4f46\u5728\u67e5\u770b\u8282\u70b9\u72b6\u6001\u65f6\uff0c<code>status.allocatable<\/code> \u4e2d\u7684 <code>example.com\/dongle<\/code> \u4ecd\u7136\u663e\u793a\u4e3a 4 \u4e2a\u5355\u4f4d\u3002\u8fd9\u79cd\u975e\u5b9e\u65f6\u66f4\u65b0\u8bbe\u8ba1\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u51cf\u5c11\u5bf9 <code>kube-apiserver<\/code> \u548c <code>etcd<\/code> \u7684\u9891\u7e41\u66f4\u65b0\uff0c\u907f\u514d\u589e\u52a0\u7cfb\u7edf\u8d1f\u8f7d\u3002<\/p>\n<p>\u6b64\u65f6\u4f60\u53ef\u80fd\u4f1a\u7591\u60d1\uff0c\u5982\u679c\u53ef\u5206\u914d\u8d44\u6e90\u4fe1\u606f\u4e0d\u5b9e\u65f6\u66f4\u65b0\uff0c\u8d44\u6e90\u8c03\u5ea6\u4e0d\u4f1a\u6709\u95ee\u9898\u5417\uff1f\u7b54\u6848\u662f\u4e0d\u4f1a\uff0c\u56e0\u4e3a <code>scheduler<\/code> \u548c <code>kubelet<\/code> \u90fd\u4f1a\u5728\u5404\u81ea\u7684\u8fdb\u7a0b\u4e2d\u8bb0\u5f55\u5e76\u8ffd\u8e2a\u8d44\u6e90\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<h2>\u6269\u5c55\u8d44\u6e90\u7684\u5c40\u9650\u6027<\/h2>\n<p>\u867d\u7136 <code>Extended Resource<\/code> \u7684\u8bbe\u8ba1\u770b\u8d77\u6765\u7b80\u5355\uff0c\u4f3c\u4e4e\u53ea\u9700\u901a\u8fc7 API \u4e3a\u8282\u70b9\u65b0\u589e\u8d44\u6e90\u5373\u53ef\uff0c\u4f46\u5176\u5e94\u7528\u5f80\u5f80\u4f34\u968f\u7740\u4ee5\u4e0b\u6311\u6218\uff1a<\/p>\n<ul>\n<li>\u8d44\u6e90\u7684\u914d\u7f6e\u548c\u4f7f\u7528\uff1a\u4f8b\u5982\uff0c\u5b9a\u4e49 GPU \u4f5c\u4e3a <code>Extended Resource<\/code> \u540e\uff0cScheduler \u53ef\u4ee5\u6b63\u5e38\u5b8c\u6210\u8c03\u5ea6\uff0c\u4f46\u5bb9\u5668\u5b9e\u9645\u4f7f\u7528 GPU \u65f6\uff0c\u8fd8\u9700\u8981\u9002\u914d\u9a71\u52a8\u548c\u8fd0\u884c\u65f6\u73af\u5883\uff08\u5982 NVIDIA \u5bb9\u5668\u8fd0\u884c\u65f6\uff09\u3002\u8fd9\u610f\u5473\u7740\u6269\u5c55\u8d44\u6e90\u4ec5\u58f0\u660e\u548c\u8c03\u5ea6\u662f\u4e0d\u591f\u7684\uff0c\u8fd8\u9700\u8981\u914d\u7f6e\u652f\u6301\u76f8\u5173\u786c\u4ef6\u7684\u5bb9\u5668\u73af\u5883\u3002<\/li>\n<li>\u81ea\u52a8\u5316\u7ba1\u7406\u9700\u6c42\uff1a\u624b\u52a8\u4e3a\u6bcf\u4e2a\u8282\u70b9\u9010\u4e00\u6dfb\u52a0\u6216\u4fee\u6539\u6269\u5c55\u8d44\u6e90\u5e76\u4e0d\u5b9e\u9645\uff0c\u7279\u522b\u662f\u5728\u6709\u591a\u4e2a\u8282\u70b9\u6216\u590d\u6742\u786c\u4ef6\u9700\u6c42\u7684\u573a\u666f\u4e2d\u3002\u4f9d\u8d56\u4eba\u5de5\u7ba1\u7406\u96be\u4ee5\u4fdd\u8bc1\u6269\u5c55\u8d44\u6e90\u7684\u4e00\u81f4\u6027\u548c\u6548\u7387\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u7ba1\u7406\u548c\u4f7f\u7528\u6269\u5c55\u8d44\u6e90\uff0c\u901a\u5e38\u4f1a\u501f\u52a9 <code>Device Plugin<\/code> \u548c <code>Operator<\/code>\u3002<code>Device Plugin<\/code> \u662f Kubernetes \u63d0\u4f9b\u7684\u8bbe\u5907\u7ba1\u7406\u673a\u5236\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u548c\u7ba1\u7406\u6269\u5c55\u8d44\u6e90\uff0c\u5982 GPU \u7b49\u7279\u6b8a\u786c\u4ef6\u3002<code>Operator<\/code> \u5219\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86\u8d44\u6e90\u90e8\u7f72\u548c\u914d\u7f6e\u7ba1\u7406\u6d41\u7a0b\uff0c\u81ea\u52a8\u6267\u884c\u8d44\u6e90\u7684\u914d\u7f6e\u548c\u8c03\u5ea6\u3002<\/p>\n<p>\u60f3\u6df1\u5165\u4e86\u89e3\u8fd9\u65b9\u9762\u5185\u5bb9\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4e4b\u524d\u7684\u6587\u7ae0 <em>\u300aKubernetes GPU \u8c03\u5ea6\u548c Device Plugin\u3001CDI\u3001NFD\u3001GPU Operator \u6982\u8ff0\u300b<\/em>\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p><code>Extended Resource<\/code> \u4e3a Kubernetes \u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u6269\u5c55\u80fd\u529b\uff0c\u4f7f\u96c6\u7fa4\u80fd\u591f\u652f\u6301\u66f4\u591a\u6837\u5316\u7684\u8d44\u6e90\u7c7b\u578b\u3002\u7136\u800c\u5728\u5b9e\u8df5\u4e2d\uff0c\u5b83\u4ec5\u89e3\u51b3\u4e86\u8d44\u6e90\u58f0\u660e\u548c\u8c03\u5ea6\u7684\u4e00\u90e8\u5206\u95ee\u9898\u3002<\/p>\n<p>(\u6211\u662f\u51cc\u865a\uff0c\u5173\u6ce8\u6211\uff0c\u65e0\u5e7f\u544a\uff0c\u4e13\u6ce8\u6280\u672f\uff0c\u4e0d\u717d\u52a8\u60c5\u7eea\uff0c\u6b22\u8fce\u4e0e\u6211\u4ea4\u6d41)<\/p>\n<hr>\n<p>\u53c2\u8003\u8d44\u6599\uff1a<\/p>\n<ul>\n<li><em><a href=\"https:\/\/link.segmentfault.com\/?enc=nEwFCrFqj6V3dDL0pvKZ3w%3D%3D.tUnAn%2BLJo3S1ecqUiti%2BA300vgZZIh8AmaO0%2F4vo4WCwRAagbvPERSWVZKFPB%2FZUQVmMdmvm5I0g9bIsELZqPJhTxCvlsmcjP%2FexwcOCowQ%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/kubernetes.io\/docs\/tasks\/administer-cluster\/extended-&#8230;<\/a><\/em><\/li>\n<li><em><a href=\"https:\/\/link.segmentfault.com\/?enc=GemSZ3A6kHSfrrIZdqsFsg%3D%3D.0%2B4h9rCxYR7FO%2B4ClUxwYLLZPDW8yvGQZ6rmD0eLi3oQiFOJBZRY5MMVk2Q0wHdxgI50p%2Fy1O9WhIBawacX%2FU%2F8tDqf3Al27DPN4O5pC8Ys%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/kubernetes.io\/docs\/tasks\/configure-pod-container\/exte&#8230;<\/a><\/em><\/li>\n<\/ul>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045453090\">https:\/\/segmentfault.com\/a\/1190000045453090<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes \u9664\u4e86\u63d0\u4f9b\u57fa\u4e8e CPU \u548c\u5185\u5b58\u7684\u4f20\u7edf\u8ba1\u7b97\u8d44\u6e90\u8c03\u5ea6\u5916\uff0c\u8fd8\u652f\u6301\u81ea\u5b9a\u4e49\u7684 Extended Re [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020383","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020383"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020383\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}