{"id":7703,"date":"2026-08-20T21:41:50","date_gmt":"2026-08-20T13:41:50","guid":{"rendered":"https:\/\/i007.cc\/wordpress\/?p=7703"},"modified":"2026-08-20T21:41:50","modified_gmt":"2026-08-20T13:41:50","slug":"%e5%8f%af%e4%b8%8d%e5%8f%af%e4%bb%a5%e8%ae%a4%e4%b8%bak8s%e7%b3%bb%e7%bb%9f%e4%b8%ad%e5%ad%98%e5%9c%a8%e7%9d%80%e9%9d%9e%e5%b8%b8%e5%a4%9a%e7%9a%84%e5%8d%95%e7%82%b9%ef%bc%9f%e8%bf%99%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/7703","title":{"rendered":"\u53ef\u4e0d\u53ef\u4ee5\u8ba4\u4e3ak8s\u7cfb\u7edf\u4e2d\u5b58\u5728\u7740\u975e\u5e38\u591a\u7684\u5355\u70b9\uff1f\u8fd9\u4e9b\u5355\u70b9\u4f1a\u9020\u6210\u5ba2\u6237\u7684\u670d\u52a1\u4e2d\u65ad\u4e48\uff1f"},"content":{"rendered":"<div data-rs-index=\"45\" data-index=\"45\" data-testid=\"transcript-row\" data-perf-row=\"human\" data-perf-row-from-tail=\"1\" data-perf-row-streaming=\"false\">\n<div class=\"rounded-lg focus-visible:shadow-focus focus-visible:outline-hidden\" tabindex=\"0\" role=\"article\" aria-setsize=\"47\" aria-posinset=\"46\" aria-label=\"Message 46 of 47\">\n<div data-test-render-count=\"2\">\n<div class=\"mb-1 mt-[var(--msg-gap,1.5rem)] group group\/message-row\">\n<div class=\"flex flex-col items-end gap-1\">\n<div class=\"group\/message-row flex min-w-0 flex-col items-end gap-xs font-sans ms-auto max-w-[85%] cds-um-enter\" data-cds=\"UserMessage\">\n<div class=\"relative flex max-w-full min-w-0 flex-col gap-xs rounded-card px-lg py-md text-heading break-words select-text text-primary bg-neutral\">\n<div id=\"_r_1jo_\" class=\"\">\n<div class=\"grid grid-cols-1 gap-2 relative [&amp;_ul]:!space-y-0 [&amp;_ol]:!space-y-0 [&amp;_ul]:pl-8 [&amp;_ol]:pl-8\" data-testid=\"user-message\">\n<p class=\"whitespace-pre-wrap break-words\" dir=\"ltr\">\u8fd9\u662f\u4e2a\u5f88\u597d\u7684\u95ee\u9898\uff0c\u7b54\u6848\u662f&#8221;\u90e8\u5206\u5bf9\uff0c\u4f46\u4e0d\u5b8c\u5168\u5bf9&#8221;\u2014\u2014\u786e\u5b9e\u6709\u5f88\u591a\u5355\u70b9\uff0c\u4f46\u5355\u70b9\u5b58\u5728\u8ddf&#8221;\u4f1a\u4e0d\u4f1a\u5bfc\u81f4\u5ba2\u6237\u670d\u52a1\u4e2d\u65ad&#8221;\u662f\u4e24\u4ef6\u9700\u8981\u5206\u5f00\u770b\u7684\u4e8b\uff0c\u8fd9\u4e5f\u662f Kubernetes \u67b6\u6784\u8bbe\u8ba1\u91cc\u4e00\u4e2a\u633a\u5173\u952e\u3001\u4e5f\u5bb9\u6613\u88ab\u8bef\u89e3\u7684\u5730\u65b9\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div data-rs-index=\"46\" data-index=\"46\" data-testid=\"transcript-row\" data-last-message=\"true\" data-perf-row=\"assistant\" data-perf-row-from-tail=\"0\" data-perf-row-streaming=\"false\">\n<div class=\"rounded-lg focus-visible:shadow-focus focus-visible:outline-hidden\" tabindex=\"-1\" role=\"article\" aria-setsize=\"47\" aria-posinset=\"47\" aria-label=\"Message 47 of 47\">\n<div data-test-render-count=\"1\">\n<div class=\"group group\/message-row\">\n<div class=\"group relative relative pb-[var(--msg-assistant-pb,0.75rem)]\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-[var(--msg-text-inset,0.5rem)] [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-[var(--msg-text-inset,0.5rem)] [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 [&amp;_&gt;_*:last-child]:mb-0 print:block print:[&amp;_&gt;_:where(:not(:first-child))]:mt-3 standard-markdown\">\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5148\u770b\u4f60\u7684\u89c2\u5bdf\u672c\u8eab\uff1a\u5728\u4f60\u73b0\u5728\u8fd9\u4e2a kind \u5355\u8282\u70b9\u96c6\u7fa4\u91cc\uff0c\u786e\u5b9e\u6bcf\u4e00\u4e2a\u63a7\u5236\u9762\u7ec4\u4ef6\u90fd\u662f\u5b57\u9762\u610f\u4e49\u4e0a\u7684\u5355\u70b9\u2014\u2014\u53ea\u6709\u4e00\u4e2a apiserver \u8fdb\u7a0b\u3001\u4e00\u4e2a etcd \u8fdb\u7a0b\u3001\u4e00\u4e2a scheduler \u8fdb\u7a0b\u3001\u4e00\u4e2a controller-manager \u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684 kubelet\u3001kube-proxy \u4e5f\u5929\u7136\u5c31\u662f&#8221;\u8fd9\u4e2a\u8282\u70b9\u72ec\u4e00\u4efd&#8221;\uff0c\u6ca1\u6709\u4efb\u4f55\u5197\u4f59\u3002\u8fd9\u5728\u751f\u4ea7\u73af\u5883\u91cc\u5f53\u7136\u662f\u4e0d\u80fd\u63a5\u53d7\u7684\uff0c\u6240\u4ee5\u751f\u4ea7\u96c6\u7fa4\u4f1a\u9488\u5bf9\u6bcf\u4e00\u7c7b\u7ec4\u4ef6\u5206\u522b\u505a\u9ad8\u53ef\u7528\uff0c\u505a\u6cd5\u8fd8\u90fd\u4e0d\u4e00\u6837\uff0c\u503c\u5f97\u6328\u4e2a\u8bf4\u4e00\u4e0b\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">kube-apiserver \u662f\u6700\u5bb9\u6613\u505a\u5230\u65e0\u72b6\u6001\u6c34\u5e73\u6269\u5c55\u7684\uff0c\u56e0\u4e3a\u5b83\u81ea\u5df1\u4e0d\u6301\u6709\u4efb\u4f55\u9700\u8981\u8de8\u8bf7\u6c42\u8bb0\u4f4f\u7684\u72b6\u6001\uff08\u771f\u6b63\u7684\u72b6\u6001\u5168\u5728 etcd \u91cc\uff09\uff0c\u6240\u4ee5\u751f\u4ea7\u73af\u5883\u901a\u5e38\u4f1a\u8dd1\u597d\u51e0\u4e2a apiserver \u5b9e\u4f8b\uff08\u6bd4\u5982 3 \u4e2a\uff09\uff0c\u524d\u9762\u6302\u4e00\u4e2a\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5ba2\u6237\u7aef\uff08kubectl\u3001kubelet\u3001scheduler \u7b49\u7b49\uff09\u8fde\u7684\u662f\u8fd9\u4e2a\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u5730\u5740\uff0c\u4e0d\u662f\u67d0\u4e00\u4e2a\u5177\u4f53 apiserver \u5b9e\u4f8b\u3002\u8fd9\u51e0\u4e2a apiserver \u5b9e\u4f8b\u4e92\u76f8\u4e4b\u95f4\u5b8c\u5168\u4e0d\u9700\u8981\u534f\u8c03\u3001\u4e0d\u9700\u8981\u77e5\u9053\u5f7c\u6b64\u5b58\u5728\uff0c\u5404\u81ea\u72ec\u7acb\u8bfb\u5199\u540c\u4e00\u4e2a etcd \u96c6\u7fa4\uff0c\u9760 etcd \u81ea\u8eab\u7684\u5f3a\u4e00\u81f4\u6027\u4fdd\u8bc1\u5927\u5bb6\u770b\u5230\u7684\u6570\u636e\u4e00\u81f4\u3002\u6240\u4ee5\u53ea\u8981\u8d1f\u8f7d\u5747\u8861\u5668\u8fd8\u80fd\u628a\u6d41\u91cf\u5bfc\u5411\u5b58\u6d3b\u7684\u5b9e\u4f8b\uff0c\u6302\u6389\u4e00\u4e2a apiserver \u5b8c\u5168\u65e0\u611f\uff0c\u8fd9\u4e00\u5c42\u505a\u5230\u4e86\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u65e0\u5355\u70b9\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">etcd \u6211\u4eec\u524d\u9762\u804a\u5f97\u5f88\u7ec6\u4e86\uff0c\u53ea\u8981\u6309 3 \u6216 5 \u8282\u70b9\u90e8\u7f72\uff0c\u9760 Raft \u7684\u591a\u6570\u6d3e\u673a\u5236\uff0c\u6302\u6389\u5c11\u6570\u8282\u70b9\uff083 \u8282\u70b9\u6302 1 \u4e2a\u30015 \u8282\u70b9\u6302 2 \u4e2a\u4ee5\u5185\uff09\u6574\u4e2a\u96c6\u7fa4\u5b8c\u5168\u4e0d\u53d7\u5f71\u54cd\uff0c\u4e5f\u4e0d\u662f\u5355\u70b9\uff0c\u524d\u63d0\u662f\u4f60\u5f97\u771f\u7684\u90e8\u7f72\u6210\u591a\u8282\u70b9\u96c6\u7fa4\uff0c\u800c\u4e0d\u662f\u50cf\u4f60\u73b0\u5728\u8fd9\u6837\u53ea\u8dd1\u4e00\u4e2a\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">kube-scheduler \u548c kube-controller-manager \u8d70\u7684\u662f\u53e6\u4e00\u79cd HA \u6a21\u5f0f\u2014\u2014\u4e0d\u662f\u50cf apiserver \u90a3\u6837&#8221;\u8c01\u90fd\u80fd\u5904\u7406\u8bf7\u6c42\u3001\u968f\u4fbf\u5206\u6d41&#8221;\uff0c\u800c\u662f&#8221;\u4e3b\u5907&#8221;\u6a21\u5f0f\uff1a\u53ef\u4ee5\u540c\u65f6\u8dd1\u591a\u4e2a\u526f\u672c\uff0c\u4f46\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u5728\u771f\u6b63\u5e72\u6d3b\uff08\u505a\u8c03\u5ea6\u51b3\u7b56\/\u8dd1\u63a7\u5236\u5668\u903b\u8f91\uff09\uff0c\u5176\u4f59\u7684\u90fd\u662f\u5f85\u547d\u72b6\u6001\u3002\u8fd9\u51e0\u4e2a\u526f\u672c\u4e4b\u95f4\u9760\u62a2\u5360\u4e00\u4e2a\u53eb Lease \u7684\u5bf9\u8c61\u6765\u51b3\u5b9a\u8c01\u662f\u5f53\u524d\u7684&#8221;leader&#8221;\uff08\u8fd9\u4e2a Lease \u673a\u5236\u6b63\u597d\u5c31\u662f\u6211\u4eec\u524d\u9762\u804a etcd \u5185\u90e8\u6a21\u5757\u65f6\u63d0\u5230\u7684\u79df\u7ea6\u529f\u80fd\uff0cKubernetes \u62ff\u5b83\u5b9e\u73b0\u4e86\u5e94\u7528\u5c42\u7684 leader election\uff09\u2014\u2014\u62a2\u5230 Lease \u7684\u90a3\u4e2a\u526f\u672c\u624d\u4f1a\u771f\u6b63\u5f00\u59cb\u8c03\u5ea6 Pod \u6216\u8005\u8dd1\u63a7\u5236\u5668\u903b\u8f91\uff0c\u5176\u4ed6\u526f\u672c\u53ea\u662f\u6301\u7eed\u5c1d\u8bd5\u62a2\u5360\uff0c\u4e00\u65e6\u5f53\u524d leader \u6302\u4e86\u3001\u4e0d\u518d\u7eed\u79df\uff0cLease \u5230\u671f\u540e\u9a6c\u4e0a\u4f1a\u6709\u53e6\u4e00\u4e2a\u526f\u672c\u62a2\u5230\u5e76\u63a5\u7ba1\uff0c\u5207\u6362\u901a\u5e38\u662f\u79d2\u7ea7\u7684\u3002\u6240\u4ee5\u53ea\u8981\u90e8\u7f72\u4e86\u591a\u526f\u672c\uff0c\u8fd9\u4e24\u4e2a\u7ec4\u4ef6\u4e5f\u4e0d\u662f\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u5355\u70b9\uff0c\u53ea\u662f\u6d3b\u8dc3\u5b9e\u4f8b\u662f\u552f\u4e00\u7684\uff0c\u5907\u7528\u5b9e\u4f8b\u968f\u65f6\u5f85\u547d\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u8282\u70b9\u4fa7\u7684 kubelet\u3001kube-proxy\u3001\u5bb9\u5668\u8fd0\u884c\u65f6\uff0c\u8fd9\u51e0\u4e2a\u5929\u751f\u5c31\u662f&#8221;\u6bcf\u4e2a\u8282\u70b9\u4e00\u4efd&#8221;\uff0c\u6ca1\u529e\u6cd5\u50cf apiserver 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