{"id":39948,"date":"2025-04-26T05:11:53","date_gmt":"2025-04-25T21:11:53","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=39948"},"modified":"2025-04-26T05:11:53","modified_gmt":"2025-04-25T21:11:53","slug":"%e4%ba%91%e5%8e%9f%e7%94%9f%e5%8f%af%e8%a7%82%e6%b5%8b%e6%80%a7%e5%9c%a8%e5%a4%9a%e7%a7%9f%e6%88%b7%e7%8e%af%e5%a2%83%e4%b8%ad%e7%9a%84%e5%ae%9e%e7%8e%b0%e6%96%b9%e5%bc%8f%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/39948.html","title":{"rendered":"\u4e91\u539f\u751f\u53ef\u89c2\u6d4b\u6027\u5728\u591a\u79df\u6237\u73af\u5883\u4e2d\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u54ea\u4e9b"},"content":{"rendered":"

\n

\"\u4e91\u539f\u751f\u53ef\u89c2\u6d4b\u6027\u5728\u591a\u79df\u6237\u73af\u5883\u4e2d\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u54ea\u4e9b\"<\/p>\n<\/p>\n

\u5728\u591a\u79df\u6237\u73af\u5883\u4e2d\u5b9e\u73b0\u4e91\u539f\u751f\u53ef\u89c2\u6d4b\u6027\u4e3b\u8981\u6d89\u53ca\u5230\u8d44\u6e90\u9694\u79bb\u3001\u6570\u636e\u9694\u79bb\u548c\u8bbf\u95ee\u63a7\u5236\u7b49\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n

1. \u8d44\u6e90\u9694\u79bb<\/h2>\n
  • CPU\u8d44\u6e90\u9694\u79bb<\/strong>\uff1a<\/li>\n
  • \u4f8b\u5982\u5728PolarDB MySQL\u7248\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e0d\u540c\u7684\u8d44\u6e90\u914d\u7f6e\u4fe1\u606f\u6765\u9650\u5236\u79df\u6237\u7684CPU\u4f7f\u7528\u91cf\u3002\u5982\u521b\u5efa\u8d44\u6e90\u914d\u7f6e`r1`\uff0c\u8bbe\u7f6e`min_cpu 0 max_cpu 1`\uff0c\u7136\u540e\u5728\u521b\u5efa\u79df\u6237`tenant_1`\u65f6\u7ed1\u5b9a\u8be5\u8d44\u6e90\u914d\u7f6e\uff0c\u8fd9\u6837`tenant_1`\u7684CPU\u8d44\u6e90\u9650\u5236`min_cpu`\u4e3a0\uff08\u4e0d\u4fdd\u8bc1\u6700\u5c0f\u9650\u989d\uff09\uff0c\u6700\u5927\u989d\u5ea6\u4e3a1 CPU\u3002<\/li>\n
  • \u5185\u5b58\u8d44\u6e90\u9694\u79bb<\/strong>\uff1a<\/li>\n
  • \u7c7b\u4f3cCPU\u8d44\u6e90\u9694\u79bb\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8d44\u6e90\u914d\u7f6e\u6765\u9650\u5236\u79df\u6237\u7684\u5185\u5b58\u4f7f\u7528\u91cf\uff0c\u9632\u6b62\u67d0\u4e2a\u79df\u6237\u8fc7\u5ea6\u5360\u7528\u5185\u5b58\u8d44\u6e90\u5f71\u54cd\u5176\u4ed6\u79df\u6237\u3002<\/li>\n

    2. \u6570\u636e\u9694\u79bb<\/h2>\n
  • \u5b58\u50a8\u9694\u79bb<\/strong>\uff1a<\/li>\n
  • \u5728Kubernetes\u4e2d\uff0c\u4e3a\u9632\u6b62`PV`\uff08\u6301\u4e45\u5377\uff09\u88ab\u8de8\u79df\u6237\u8bbf\u95ee\uff0c\u5e94\u6307\u5b9a\u5176`reclaimPolicy`\u4e3a`Delete`\u3002\u5e76\u4e14\u5e94\u7981\u6b62\u4f7f\u7528\u4f8b\u5982`hostPath`\u8fd9\u6837\u7684`volume`\uff0c\u4ee5\u907f\u514d\u8282\u70b9\u7684\u672c\u5730\u5b58\u50a8\u88ab\u6ee5\u7528\u3002<\/li>\n
  • \u7f51\u7edc\u9694\u79bb<\/strong>\uff1a<\/li>\n
  • Kubernetes\u63d0\u4f9b\u4e86`NetworkPolicy`\uff0c\u652f\u6301\u6309`Namespace`\u7ea7\u522b\u7684\u7f51\u7edc\u9694\u79bb\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528`NetworkPolicy`\u9700\u8981\u7279\u5b9a\u7684\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\uff0c\u5982\u679c\u4e0d\u542f\u7528\uff0c\u5373\u4f7f\u914d\u7f6e\u4e86`NetworkPolicy`\u4e5f\u65e0\u6d4e\u4e8e\u4e8b\uff0c\u751f\u4ea7\u73af\u5883\u4e2d\u53ef\u4ee5`Calico`\u914d\u5408`NetworkPolicy`\u5b9e\u73b0\u4e1a\u52a1\u9700\u8981\u7684\u5b89\u5168\u7ec4\u7b56\u7565\u3002<\/li>\n

    3. \u8bbf\u95ee\u63a7\u5236<\/h2>\n
  • \u63a7\u5236\u9762\u9694\u79bb<\/strong>\uff1a<\/li>\n
  • Kubernetes\u63d0\u4f9b\u4e86\u4e09\u4e2a\u673a\u5236\u6765\u5b9e\u73b0\u63a7\u5236\u5e73\u9762\u7684\u9694\u79bb\uff1a`namespace`\u3001`RBAC`\uff08\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff09\u548c`quota`\uff08\u8d44\u6e90\u914d\u989d\uff09\u3002<\/li>\n
  • `namespace`\uff1a\u53ef\u4ee5\u5c06\u5305\u542b\u5f88\u591a\u7ec4\u4ef6\u7684\u7cfb\u7edf\u5206\u6210\u4e0d\u540c\u7684\u7ec4\uff0c\u5e76\u4e14\u9650\u5b9a`RBAC`\u4ee5\u53ca`quota`\u7684\u4f5c\u7528\u8303\u56f4\u3002<\/li>\n
  • `RBAC`\uff1a\u88ab\u7528\u6765\u9650\u5b9a\u7528\u6237\u6216\u8005\u8d1f\u8f7d\u5bf9`API`\u7684\u8bbf\u95ee\u6743\u9650\u3002\u901a\u8fc7\u8bbe\u5b9a\u5408\u9002\u7684`RBAC`\u89c4\u5219\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9`API`\u8d44\u6e90\u7684\u9694\u79bb\u8bbf\u95ee\u3002<\/li>\n
  • `ResourceQuota`\uff1a\u53ef\u4ee5\u88ab\u7528\u6765\u9650\u5236`namespace`\u4e0b\u5404\u7c7b\u8d44\u6e90\u7684\u4f7f\u7528\u4e0a\u9650\uff0c\u4ee5\u9632\u6b62\u67d0\u4e2a`namespace`\u5360\u636e\u8fc7\u591a\u7684\u96c6\u7fa4\u8d44\u6e90\u800c\u5f71\u54cd\u5176\u4ed6`namespace`\u4e0b\u7684\u5e94\u7528\u3002\u4e0d\u8fc7\u4f7f\u7528`ResourceQuota`\u6709\u4e00\u4e2a\u9650\u5236\u6761\u4ef6\uff0c\u5373\u8981\u6c42`namespace`\u4e0b\u7684\u6bcf\u4e2a\u5bb9\u5668\u90fd\u6307\u5b9a`resource request`\u548c`limit`\u3002<\/li>\n
  • \u6570\u636e\u9762\u9694\u79bb<\/strong>\uff1a<\/li>\n
  • \u6570\u636e\u5e73\u9762\u7684\u9694\u79bb\u4e3b\u8981\u5206\u4e3a\u4e09\u4e2a\u65b9\u9762\uff1a\u5bb9\u5668\u8fd0\u884c\u65f6\u3001\u5b58\u50a8\u548c\u7f51\u7edc\u3002<\/li>\n
  • \u5bb9\u5668\u8fd0\u884c\u65f6\u9694\u79bb\uff1a\u7531\u4e8e\u5bb9\u5668\u548c\u5bbf\u4e3b\u673a\u5171\u4eab\u5185\u6838\uff0c\u5e94\u7528\u7a0b\u5e8f\u6216\u8005\u4e3b\u673a\u7cfb\u7edf\u4e0a\u7684\u6f0f\u6d1e\u53ef\u80fd\u88ab\u653b\u51fb\u8005\u6240\u5229\u7528\uff0c\u4ece\u800c\u7a81\u7834\u5bb9\u5668\u8fb9\u754c\u800c\u653b\u51fb\u5230\u4e3b\u673a\u6216\u8005\u5176\u4ed6\u5bb9\u5668\u3002\u89e3\u51b3\u65b9\u6cd5\u901a\u5e38\u662f\u5c06\u5bb9\u5668\u653e\u5230\u4e00\u4e2a\u9694\u79bb\u7684\u73af\u5883\u4e2d\u8fd0\u884c\uff0c\u4f8b\u5982\u865a\u62df\u673a\u6216\u8005\u662f\u7528\u6237\u6001`kernel`\u3002\u524d\u8005\u4ee5`Kata Containers`\u4e3a\u4ee3\u8868\uff0c\u540e\u8005\u7684\u4ee3\u8868\u5219\u662f`gVisor`\u3002<\/li>\n

    4. \u591a\u79df\u6237\u89e3\u51b3\u65b9\u6848<\/h2>\n
  • \u6309`namespace`\u5212\u5206\u79df\u6237<\/strong>\uff1a<\/li>\n
  • Kubernetes\u7684\u63a7\u5236\u5e73\u9762\u9694\u79bb\u4e2d\u7684`RBAC`\u548c`ResourceQuota`\u5747\u4ee5`namespace`\u4e3a\u8fb9\u754c\uff0c\u56e0\u6b64\u4ee5`namespace`\u6765\u5212\u5206\u79df\u6237\u662f\u6bd4\u8f83\u81ea\u7136\u7684\u60f3\u6cd5\u3002\u5728\u73b0\u5b9e\u4e2d\uff0c\u9650\u5b9a\u4e00\u4e2a\u79df\u6237\u53ea\u80fd\u4f7f\u7528\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u5b58\u5728\u8f83\u5927\u5c40\u9650\u6027\u3002\u4f8b\u5982\u65e0\u6cd5\u8fdb\u4e00\u6b65\u4ee5\u56e2\u961f\uff0c\u6216\u8005\u4ee5\u5e94\u7528\u4e3a\u7c92\u5ea6\u8fdb\u884c\u7ec6\u5206\uff0c\u9020\u6210\u4e00\u5b9a\u7684\u7ba1\u7406\u96be\u5ea6\u3002\u56e0\u6b64Kubernetes\u5b98\u65b9\u63d0\u4f9b\u4e86\u652f\u6301\u5c42\u7ea7\u5316`namespace`\u7684`controller`\u3002\u7b2c\u4e09\u65b9\u5f00\u6e90\u9879\u76ee\u4f8b\u5982`Capsule`\u548c`kiosk`\u63d0\u4f9b\u4e86\u66f4\u4e3a\u4e30\u5bcc\u7684\u591a\u79df\u6237\u652f\u6301\u3002<\/li>\n
  • \u865a\u62df\u63a7\u5236\u5e73\u9762<\/strong>\uff1a<\/li>\n

    \u53e6\u4e00\u79cd\u591a\u79df\u6237\u7684\u5b9e\u73b0\u65b9\u6848\u662f\u4e3a\u6bcf\u4e2a\u79df\u6237\u63d0\u4f9b\u4e00\u4e2a\u72ec\u7acb\u7684\u865a\u62df\u63a7\u5236\u5e73\u9762\uff0c\u4ee5\u5f7b\u5e95\u9694\u79bb\u79df\u6237\u7684\u8d44\u6e90\u3002\u865a\u62df\u63a7\u5236\u5e73\u9762\u7684\u5b9e\u73b0\u65b9\u5f0f\u901a\u5e38\u662f\u4e3a\u6bcf\u4e2a\u79df\u6237\u8fd0\u884c\u4e00\u5957\u72ec\u7acb\u7684`apiserver`\uff0c\u540c\u65f6\u5229\u7528`controller`\u5c06\u79df\u6237`apiserver`\u4e2d\u7684\u8d44\u6e90\u540c\u6b65\u5230\u539fKubernetes\u96c6\u7fa4\u4e2d\u3002\u6bcf\u4e2a\u79df\u6237\u53ea\u80fd\u8bbf\u95ee\u81ea\u5df1\u5bf9\u5e94\u7684`apiserver`\uff0c\u800c\u539fKubernetes\u96c6\u7fa4\u7684`apiserver`\u5219\u901a\u5e38\u4e0d\u5bf9\u5916\u8bbf\u95ee\u3002\u8fd9\u7c7b\u65b9\u6848\u7684\u4ee3\u4ef7\u662f\u989d\u5916\u7684`apiserver`\u7684\u5f00\u9500\uff0c\u4f46\u80fd\u591f\u83b7\u5f97\u66f4\u4e3a\u5f7b\u5e95\u7684\u63a7\u5236\u5e73\u9762\u9694\u79bb\u3002\u7ed3\u5408\u6570\u636e\u5e73\u9762\u7684\u9694\u79bb\u6280\u672f\uff0c\u865a\u62df\u63a7\u5236\u5e73\u9762\u53ef\u4ee5\u5b9e\u73b0\u66f4\u4e3a\u5f7b\u5e95\u548c\u5b89\u5168\u7684\u591a\u79df\u6237\u65b9\u6848\u3002\u6b64\u7c7b\u65b9\u6848\u4ee5`vcluster`\u9879\u76ee\u4e3a\u4ee3\u8868\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5728\u591a\u79df\u6237\u73af\u5883\u4e2d\u5b9e\u73b0\u4e91\u539f\u751f\u53ef\u89c2\u6d4b\u6027\u4e3b\u8981\u6d89\u53ca\u5230\u8d44\u6e90\u9694\u79bb\u3001\u6570\u636e\u9694\u79bb\u548c\u8bbf\u95ee\u63a7\u5236\u7b49\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1a 1. \u8d44\u6e90\u9694\u79bb CPU\u8d44\u6e90\u9694\u79bb\uff1a \u4f8b\u5982\u5728PolarDB MySQL\u7248\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e0d\u540c\u7684\u8d44\u6e90\u914d\u7f6e\u4fe1\u606f\u6765\u9650\u5236\u79df\u6237\u7684CPU\u4f7f\u7528\u91cf\u3002\u5982\u521b\u5efa\u8d44\u6e90\u914d\u7f6e`r1`\uff0c\u8bbe\u7f6e`min_cpu 0 max_cpu 1`\uff0c\u7136\u540e\u5728\u521b\u5efa\u79df\u6237`tenant_1`\u65f6\u7ed1\u5b9a\u8be5\u8d44\u6e90\u914d\u7f6e\uff0c\u8fd9\u6837`tenant_1`\u7684CPU\u8d44\u6e90\u9650\u5236`min_cpu`\u4e3a0\uff08\u4e0d\u4fdd\u8bc1\u6700\u5c0f\u9650\u989d\uff09\uff0c\u6700\u5927\u989d\u5ea6\u4e3a1 CPU\u3002 \u5185\u5b58\u8d44\u6e90\u9694\u79bb\uff1a \u7c7b\u4f3cCPU\u8d44\u6e90\u9694\u79bb\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8d44\u6e90\u914d\u7f6e\u6765\u9650\u5236\u79df\u6237\u7684\u5185\u5b58\u4f7f\u7528\u91cf\uff0c\u9632\u6b62\u67d0\u4e2a\u79df\u6237\u8fc7\u5ea6\u5360\u7528\u5185\u5b58\u8d44\u6e90\u5f71\u54cd\u5176\u4ed6\u79df\u6237\u3002 2. \u6570\u636e\u9694\u79bb \u5b58\u50a8\u9694\u79bb\uff1a \u5728Kubernetes\u4e2d\uff0c\u4e3a\u9632\u6b62`PV`\uff08\u6301\u4e45\u5377\uff09\u88ab\u8de8\u79df\u6237\u8bbf\u95ee\uff0c\u5e94\u6307\u5b9a\u5176`reclaimPolicy`\u4e3a`Delete`\u3002\u5e76\u4e14\u5e94\u7981\u6b62\u4f7f\u7528\u4f8b\u5982`hostPath`\u8fd9\u6837\u7684`volume`\uff0c\u4ee5\u907f\u514d\u8282\u70b9\u7684\u672c\u5730\u5b58\u50a8\u88ab\u6ee5\u7528\u3002 \u7f51\u7edc\u9694\u79bb\uff1a Kubernetes\u63d0\u4f9b\u4e86`NetworkPolicy`\uff0c\u652f\u6301\u6309`Namespace`\u7ea7\u522b\u7684\u7f51\u7edc\u9694\u79bb\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528`NetworkPolicy`\u9700\u8981\u7279\u5b9a\u7684\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\uff0c\u5982\u679c\u4e0d\u542f\u7528\uff0c\u5373\u4f7f\u914d\u7f6e\u4e86`NetworkPolicy`\u4e5f\u65e0\u6d4e\u4e8e\u4e8b\uff0c\u751f\u4ea7\u73af\u5883\u4e2d\u53ef\u4ee5`Calico`\u914d\u5408`NetworkPolicy`\u5b9e\u73b0\u4e1a\u52a1\u9700\u8981\u7684\u5b89\u5168\u7ec4\u7b56\u7565\u3002 3. \u8bbf\u95ee\u63a7\u5236 \u63a7\u5236\u9762\u9694\u79bb\uff1a Kubernetes\u63d0\u4f9b\u4e86\u4e09\u4e2a\u673a\u5236\u6765\u5b9e\u73b0\u63a7\u5236\u5e73\u9762\u7684\u9694\u79bb\uff1a`namespace`\u3001`RBAC`\uff08\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff09\u548c`quota`\uff08\u8d44\u6e90\u914d\u989d\uff09\u3002 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