{"id":10005971,"date":"2022-07-22T11:38:02","date_gmt":"2022-07-22T03:38:02","guid":{"rendered":"https:\/\/ityet.com\/?p=10005971"},"modified":"2022-07-22T11:38:02","modified_gmt":"2022-07-22T03:38:02","slug":"%e7%9b%b4%e6%92%ad%e5%9b%9e%e9%a1%be-%e4%ba%91%e5%8e%9f%e7%94%9f%e6%b7%b7%e9%83%a8%e7%b3%bb%e7%bb%9f-koordinator-%e6%9e%b6%e6%9e%84%e8%af%a6%e8%a7%a3%ef%bc%88%e9%99%84%e5%ae%8c%e6%95%b4ppt%ef%bc%89","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10005971","title":{"rendered":"\u76f4\u64ad\u56de\u987e | \u4e91\u539f\u751f\u6df7\u90e8\u7cfb\u7edf Koordinator \u67b6\u6784\u8be6\u89e3\uff08\u9644\u5b8c\u6574PPT\uff09"},"content":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0\u8fd1\u671f\uff0c\u6765\u81ea Koordinator \u793e\u533a\u7684\u4e24\u4f4d\u6280\u672f\u4e13\u5bb6\u4ece\u9879\u76ee\u7684\u67b6\u6784\u548c\u7279\u6027\u51fa\u53d1\uff0c\u5206\u4eab\u4e86 Koordinator 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\u5e74\u516c\u6709\u4e91\u6570\u636e\u4e2d\u5fc3\u7684\u673a\u5668\u5229\u7528\u7387\u5e73\u5747\u4e0d\u5230 10%\uff0c\u610f\u5473\u7740\u4f01\u4e1a\u7684\u8d44\u6e90\u6210\u672c\u6781\u9ad8\uff0c\u800c\u53e6\u4e00\u65b9\u9762\u968f\u7740\u5927\u6570\u636e\u6280\u672f\u7684\u53d1\u5c55\u8fc5\u901f\uff0c\u8ba1\u7b97\u4f5c\u4e1a\u5bf9\u8d44\u6e90\u7684\u9700\u6c42\u8d8a\u6765\u8d8a\u5927\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5927\u6570\u636e\u901a\u8fc7\u4e91\u539f\u751f\u65b9\u5f0f\u4e0a\u4e91\u5df2\u6210\u4e3a\u4e86\u5fc5\u7136\u8d8b\u52bf\uff0c\u636e Pepperdata \u5728 2021 \u5e74 12 \u6708\u7684\u8c03\u67e5\u62a5\u544a\uff0c\u76f8\u5f53\u6570\u91cf\u7684\u4f01\u4e1a\u5927\u6570\u636e\u5e73\u53f0\u5df2\u7ecf\u5f00\u59cb\u5411\u4e91\u539f\u751f\u6280\u672f\u8fc1\u79fb\u3002\u8d85\u8fc7 77% \u7684\u53d7\u8bbf\u8005\u53cd\u9988\u9884\u8ba1\u5230 2021 \u5e74\u5e95\uff0c\u5176 50% \u7684\u5927\u6570\u636e\u5e94\u7528\u5c06\u8fc1\u79fb\u5230 \u00a0Kubernetes \u5e73\u53f0\u3002\u4e8e\u662f\uff0c\u9009\u62e9\u6279\u5904\u7406\u7c7b\u578b\u4efb\u52a1\u4e0e\u5728\u7ebf\u670d\u52a1\u7c7b\u578b\u5e94\u7528\u6df7\u5408\u90e8\u7f72\uff0c\u5c31\u987a\u7406\u6210\u7ae0\u7684\u6210\u4e3a\u4e86\u4e1a\u754c\u901a\u7528\u7684\u6df7\u90e8\u65b9\u6848\u9009\u578b\u3002\u516c\u5f00\u6570\u636e\u663e\u793a\uff0c\u901a\u8fc7\u6df7\u90e8\uff0c\u76f8\u5173\u6280\u672f\u9886\u5148\u4f01\u4e1a\u7684\u8d44\u6e90\u5229\u7528\u7387\u5f97\u5230\u4e86\u5927\u5e45\u63d0\u5347\u3002\u00a0\u9762\u5bf9\u6df7\u90e8\u6280\u672f\uff0c\u5728\u5177\u4f53\u5173\u6ce8\u7684\u95ee\u9898\u4e0a\uff0c\u4e0d\u540c\u89d2\u8272\u7684\u7ba1\u7406\u4eba\u5458\u4f1a\u6709\u5404\u81ea\u7684\u4fa7\u91cd\u70b9\u3002\u00a0\u5bf9\u4e8e\u96c6\u7fa4\u8d44\u6e90\u7684\u7ba1\u7406\u5458\u6765\u8bf4\uff0c\u4ed6\u4eec\u671f\u671b\u53ef\u4ee5\u7b80\u5316\u5bf9\u96c6\u7fa4\u8d44\u6e90\u7684\u7ba1\u7406\uff0c\u5b9e\u73b0\u5bf9\u5404\u7c7b\u5e94\u7528\u7684\u8d44\u6e90\u5bb9\u91cf\uff0c\u5206\u914d\u91cf\uff0c\u4f7f\u7528\u91cf\u7684\u6e05\u6670\u6d1e\u5bdf\uff0c\u63d0\u5347\u96c6\u7fa4\u8d44\u6e90\u5229\u7528\u7387\uff0c\u4ee5\u8fbe\u5230\u964d\u4f4e IT \u6210\u672c\u7684\u76ee\u7684\u3002\u00a0\u5bf9\u4e8e\u5728\u7ebf\u7c7b\u578b\u5e94\u7528\u7684\u7ba1\u7406\u5458\u6765\u8bf4\uff0c\u4ed6\u4eec\u5219\u66f4\u5173\u6ce8\u5bb9\u5668\u6df7\u5408\u90e8\u7f72\u65f6\u7684\u4e92\u76f8\u5e72\u6270\u7684\uff0c\u56e0\u4e3a\u6df7\u90e8\u4f1a\u66f4\u5bb9\u6613\u4ea7\u751f\u8d44\u6e90\u7ade\u4e89\uff0c\u5e94\u7528\u54cd\u5e94\u65f6\u95f4\u4f1a\u51fa\u73b0\u957f\u5c3e\uff08tail latency\uff09\uff0c\u5bfc\u81f4\u5e94\u7528\u670d\u52a1\u8d28\u91cf\u4e0b\u964d\u3002\u00a0\u800c\u79bb\u7ebf\u7c7b\u578b\u5e94\u7528\u7684\u7ba1\u7406\u5458\u66f4\u671f\u671b\u6df7\u90e8\u7cfb\u7edf\u53ef\u4ee5\u63d0\u4f9b\u5206\u7ea7\u53ef\u9760\u7684\u8d44\u6e90\u8d85\u5356\uff0c\u6ee1\u8db3\u4e0d\u540c\u4f5c\u4e1a\u7c7b\u578b\u7684\u5dee\u5f02\u5316\u8d44\u6e90\u8d28\u91cf\u9700\u6c42\u3002\u00a0\u9488\u5bf9\u4ee5\u4e0a\u95ee\u9898\uff0cKoordinator 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\u5728\u6b64\u57fa\u7840\u4e0a\u7684\u6269\u5c55\u5b9e\u73b0\u3002\u4ece\u6574\u4e2a\u7cfb\u7edf\u67b6\u6784\u6765\u770b\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06 Koordinator \u5206\u4e3a\u4e2d\u5fc3\u7ba1\u63a7\u548c\u5355\u673a\u8d44\u6e90\u7ba1\u7406\u4e24\u4e2a\u7ef4\u5ea6\u3002\u5728\u4e2d\u5fc3\u4fa7\uff0cKoordiantor \u5728\u8c03\u5ea6\u5668\u5185\u90e8\u548c\u5916\u90e8\u5206\u522b\u90fd\u505a\u4e86\u76f8\u5e94\u7684\u6269\u5c55\u80fd\u529b\u589e\u5f3a\uff1b\u5728\u5355\u673a\u4fa7\uff0cKoordinator \u63d0\u4f9b\u4e86 Koordlet \u548c Koord Runtime Proxy \u4e24\u4e2a\u7ec4\u4ef6\uff0c\u8d1f\u8d23\u5355\u673a\u8d44\u6e90\u7684\u7cbe\u7ec6\u5316\u7ba1\u7406\u548c QoS \u4fdd\u969c\u80fd\u529b\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204787\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0Koordinator \u5404\u7ec4\u4ef6\u7684\u8be6\u7ec6\u529f\u80fd\u5982\u4e0b\u00a0Koord-ManagerSLO-Controller\uff1a\u63d0\u4f9b\u8d44\u6e90\u8d85\u5356\u3001\u6df7\u90e8 SLO \u7ba1\u7406\u3001\u7cbe\u7ec6\u5316\u8c03\u5ea6\u589e\u5f3a\u7b49\u6838\u5fc3\u7ba1\u63a7\u80fd\u529b\u3002Recommender\uff1a\u56f4\u7ed5\u8d44\u6e90\u753b\u50cf\u4e3a\u5e94\u7528\u63d0\u4f9b\u76f8\u5173\u7684\u5f39\u6027\u80fd\u529b\u3002Colocation Profile Webhook\uff1a\u7b80\u5316 Koordinator \u6df7\u90e8\u6a21\u578b\u7684\u4f7f\u7528\uff0c\u4e3a\u5e94\u7528\u63d0\u4f9b\u4e00\u952e\u63a5\u5165\u7684\u80fd\u529b\uff0c\u81ea\u52a8\u6ce8\u5165\u76f8\u5173\u4f18\u5148\u7ea7\u3001QoS \u914d\u7f6e\u3002Koord extensions for Scheduler\uff1a\u9762\u5411\u6df7\u90e8\u573a\u666f\u7684\u8c03\u5ea6\u80fd\u529b\u589e\u5f3a\u3002Koord descheduler\uff1a\u63d0\u4f9b\u7075\u6d3b\u53ef\u6269\u5c55\u7684\u91cd\u8c03\u5ea6\u673a\u5236\u3002Koord Runtime Proxy\uff1a\u4f5c\u4e3a Kubelet \u548c Runtime \u4e4b\u95f4\u7684\u4ee3\u7406\uff0c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u7684\u8d44\u6e90\u7ba1\u7406\u9700\u6c42\uff0c\u63d0\u4f9b\u63d2\u4ef6\u5316\u7684\u6ce8\u518c\u6846\u67b6\uff0c\u63d0\u4f9b\u76f8\u5173\u8d44\u6e90\u53c2\u6570\u7684\u6ce8\u5165\u673a\u5236\u3002Koordlet\uff1a\u5728\u5355\u673a\u4fa7\u8d1f\u8d23 Pod \u7684 QoS \u4fdd\u969c\uff0c\u63d0\u4f9b\u7ec6\u7c92\u5ea6\u7684\u5bb9\u5668\u6307\u6807\u91c7\u96c6\uff0c\u4ee5\u53ca\u5e72\u6270\u68c0\u6d4b\u548c\u8c03\u8282\u7b56\u7565\u80fd\u529b\uff0c\u5e76\u652f\u6301\u4e00\u7cfb\u5217\u7684 Runtime Proxy \u63d2\u4ef6\uff0c\u7528\u4e8e\u7cbe\u7ec6\u5316\u7684\u9694\u79bb\u53c2\u6570\u6ce8\u5165\u3002\u00a0\u5728 Koordinator \u7684\u8bbe\u8ba1\u6a21\u578b\u4e2d\uff0c\u4e00\u4e2a\u6838\u5fc3\u7684\u8bbe\u8ba1\u6982\u5ff5\u5c31\u662f\u4f18\u5148\u7ea7\uff08Priority\uff09\uff0cKoordinator \u5b9a\u4e49\u4e86\u56db\u4e2a\u7b49\u7ea7\uff0c\u5206\u522b\u662f Product\u3001Mid\u3001Batch\u3001Free \uff0cPod \u9700\u8981\u6307\u5b9a\u7533\u8bf7\u7684\u8d44\u6e90\u4f18\u5148\u7ea7\uff0c\u8c03\u5ea6\u5668\u4f1a\u57fa\u4e8e\u5404\u8d44\u6e90\u4f18\u5148\u7ea7\u603b\u91cf\u548c\u5206\u914d\u91cf\u505a\u8c03\u5ea6\u3002\u5404\u4f18\u5148\u7ea7\u7684\u8d44\u6e90\u603b\u91cf\u4f1a\u53d7\u9ad8\u4f18\u5148\u7ea7\u8d44\u6e90\u7684 request \u548c usage \u5f71\u54cd\uff0c\u4f8b\u5982\u5df2\u7533\u8bf7\u4f46\u672a\u4f7f\u7528\u7684 Product \u8d44\u6e90\u4f1a\u4ee5 Batch \u4f18\u5148\u7ea7\u518d\u6b21\u5206\u914d\u3002\u8282\u70b9\u5404\u8d44\u6e90\u4f18\u5148\u7ea7\u7684\u5177\u4f53\u5bb9\u91cf\uff0cKoordinator \u4f1a\u4ee5\u6807\u51c6\u7684 extend-resource \u5f62\u5f0f\u66f4\u65b0\u5728 Node \u4fe1\u606f\u4e2d\u3002\u00a0\u4e0b\u56fe\u5c55\u793a\u4e86\u4e00\u4e2a\u8282\u70b9\u5404\u8d44\u6e90\u4f18\u5148\u7ea7\u7684\u5bb9\u91cf\u60c5\u51b5\uff0c\u5176\u4e2d\u9ed1\u8272\u7684\u76f4\u7ebf total \u4ee3\u8868\u4e86\u8282\u70b9\u7684\u7269\u7406\u8d44\u6e90\u603b\u91cf\uff0c\u7ea2\u8272\u6298\u7ebf\u4ee3\u8868\u4e86\u9ad8\u4f18\u5148\u7ea7 Product \u7684\u771f\u5b9e\u4f7f\u7528\u91cf\uff0c\u84dd\u8272\u6298\u7ebf\u5230\u9ed1\u8272\u76f4\u7ebf\u4e4b\u95f4\u53cd\u6620\u4e86 Batch \u4f18\u5148\u7ea7\u7684\u8d44\u6e90\u8d85\u5356\u53d8\u5316\u60c5\u51b5\uff0c\u53ef\u4ee5\u770b\u5230\u5f53 Product \u4f18\u5148\u7ea7\u5904\u4e8e\u8d44\u6e90\u6d88\u8017\u7684\u4f4e\u8c37\u65f6\uff0cBatch \u4f18\u5148\u7ea7\u53ef\u4ee5\u83b7\u5f97\u66f4\u591a\u7684\u8d85\u5356\u8d44\u6e90\u3002\u4e8b\u5b9e\u4e0a\uff0c\u8d44\u6e90\u4f18\u5148\u7ea7\u7b56\u7565\u7684\u6fc0\u8fdb\u6216\u4fdd\u5b88\uff0c\u51b3\u5b9a\u4e86\u96c6\u7fa4\u8d44\u6e90\u7684\u8d85\u5356\u5bb9\u91cf\uff0c\u8fd9\u70b9\u6211\u4eec\u4e5f\u53ef\u4ee5\u4ece\u56fe\u4e2d\u7eff\u8272\u76f4\u7ebf\u5bf9\u5e94\u7684 Mid \u8d44\u6e90\u4f18\u5148\u7ea7\u8d85\u5356\u60c5\u51b5\u5206\u6790\u770b\u51fa\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204788\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u5982\u4e0b\u8868\u6240\u793a\uff0cKoordinator \u4ee5 K8s \u6807\u51c6\u7684 PriorityClass \u5f62\u5f0f\u5bf9\u5404\u8d44\u6e90\u4f18\u5148\u7ea7\u8fdb\u884c\u4e86\u5b9a\u4e49\uff0c\u4ee3\u8868 Pod \u7533\u8bf7\u8d44\u6e90\u7684\u4f18\u5148\u7ea7\u3002\u5728\u591a\u4f18\u5148\u7ea7\u8d44\u6e90\u8d85\u5356\u60c5\u51b5\u4e0b\uff0c\u5f53\u5355\u673a\u8d44\u6e90\u7d27\u5f20\u65f6\uff0c\u4f4e\u4f18\u5148\u7ea7 Pod \u4f1a\u88ab\u538b\u5236\u6216\u9a71\u9010\u3002\u6b64\u5916\uff0cKoordinator \u8fd8\u63d0\u4f9b\u4e86 Pod \u7ea7\u522b\u7684\u5b50\u4f18\u5148\u7ea7\uff08sub-priority\uff09\uff0c\u7528\u4e8e\u8c03\u5ea6\u5668\u5c42\u9762\u7684\u7cbe\u7ec6\u5316\u63a7\u5236\uff08\u6392\u961f\uff0c\u62a2\u5360\u7b49\uff09\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204789\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0Koordinator \u7684\u8bbe\u8ba1\u4e2d\u53e6\u4e00\u4e2a\u6838\u5fc3\u7684\u6982\u5ff5\u662f\u670d\u52a1\u8d28\u91cf\uff08Quality of Service\uff09\uff0cKoordinator \u5c06 QoS \u6a21\u578b\u5728 Pod Annotation \u7ea7\u522b\u8fdb\u884c\u4e86\u6269\u5c55\u5b9a\u4e49\uff0c\u5b83\u4ee3\u8868\u4e86 Pod \u5728\u5355\u673a\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u7684\u8d44\u6e90\u8d28\u91cf\uff0c\u4e3b\u8981\u8868\u73b0\u4e3a\u4f7f\u7528\u7684\u9694\u79bb\u53c2\u6570\u4e0d\u540c\uff0c\u5f53\u5355\u673a\u8d44\u6e90\u7d27\u5f20\u65f6\u4f1a\u4f18\u5148\u6ee1\u8db3\u9ad8\u7b49\u7ea7 QoS \u7684\u9700\u6c42\u3002\u5982\u4e0b\u8868\u6240\u793a\uff0cKoordinator \u5c06 QoS \u6574\u4f53\u5206\u4e3a System\uff08\u7cfb\u7edf\u7ea7\u670d\u52a1\uff09\uff0cLatency Sensitive\uff08\u5ef6\u8fdf\u654f\u611f\u6027\u7684\u5728\u7ebf\u670d\u52a1\uff09\uff0cBest Effort\uff08\u8d44\u6e90\u6d88\u8017\u578b\u7684\u79bb\u7ebf\u5e94\u7528\uff09\u4e09\u7c7b\uff0c\u6839\u636e\u5e94\u7528\u6027\u80fd\u654f\u611f\u7a0b\u5ea6\u7684\u5dee\u5f02\uff0cLatency Sensitive \u53c8\u7ec6\u5206\u4e3a LSE\uff0cLSR \u548c LS\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204790\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u5728 Priority \u548c QoS \u7684\u4f7f\u7528\u4e0a\uff0c\u4e8c\u8005\u6574\u4f53\u662f\u6b63\u4ea4\u7684\u4e24\u4e2a\u7ef4\u5ea6\uff0c\u53ef\u4ee5\u6392\u5217\u7ec4\u5408\u4f7f\u7528\u3002\u4e0d\u8fc7\u53d7\u6a21\u578b\u5b9a\u4e49\u548c\u5b9e\u9645\u7684\u9700\u6c42\u60c5\u51b5\u5f71\u54cd\uff0c\u90e8\u5206\u6392\u5217\u7ec4\u5408\u5b58\u5728\u7ea6\u675f\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u6df7\u90e8\u573a\u666f\u4e2d\u7ecf\u5e38\u4f7f\u7528\u5230\u7684\u4e00\u4e9b\u7ec4\u5408\uff0c\u5176\u4e2d\u201cO\u201d\u8868\u793a\u5e38\u7528\u7684\u6392\u5217\u7ec4\u5408\uff0c\u201cX\u201d\u8868\u793a\u57fa\u672c\u4f7f\u7528\u4e0d\u5230\u7684\u6392\u5217\u7ec4\u5408\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204791\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u5404\u573a\u666f\u7684\u5b9e\u9645\u4f7f\u7528\u4e3e\u4f8b\u5982\u4e0b\u3002\u00a0\u5178\u578b\u573a\u666f\uff1aProd + LS\uff1a\u5178\u578b\u7684\u5728\u7ebf\u5e94\u7528\uff0c\u901a\u5e38\u5bf9\u5e94\u7528\u65f6\u5ef6\u8981\u6c42\u8f83\u9ad8\uff0c\u5bf9\u8d44\u6e90\u8d28\u91cf\u8981\u6c42\u8f83\u9ad8\uff0c\u4e5f\u9700\u8981\u4fdd\u8bc1\u4e00\u5b9a\u7684\u8d44\u6e90\u5f39\u6027\u80fd\u529b\u3002Batch + BE\uff1a\u7528\u4e8e\u6df7\u90e8\u573a\u666f\u4e2d\u7684\u4f4e\u4f18\u79bb\u7ebf\uff0c\u5bf9\u8d44\u6e90\u8d28\u91cf\u6709\u76f8\u5f53\u7684\u5fcd\u8010\u5ea6\uff0c\u4f8b\u5982\u6279\u5904\u7406\u7c7b\u578b\u7684 Spark\/MR \u4efb\u52a1\uff0c\u4ee5\u53ca AI \u7c7b\u578b\u7684\u8bad\u7ec3\u4efb\u52a1\u00a0\u5178\u578b\u573a\u666f\u7684\u589e\u5f3a\uff1aProd + LSR\/LSE\uff1a\u6bd4\u8f83\u654f\u611f\u7684\u5728\u7ebf\u5e94\u7528\uff0c\u53ef\u4ee5\u63a5\u53d7\u727a\u7272\u8d44\u6e90\u5f39\u6027\u800c\u6362\u53d6\u66f4\u597d\u7684\u786e\u5b9a\u6027\uff08\u5982CPU\u7ed1\u6838\uff09\uff0c\u5bf9\u5e94\u7528\u65f6\u5ef6\u8981\u6c42\u6781\u9ad8\u3002Mid\/Free + BE\uff1a\u4e0e\u201cBatch + BE\u201d\u76f8\u6bd4\u4e3b\u8981\u533a\u522b\u662f\u5bf9\u8d44\u6e90\u8d28\u91cf\u8981\u6c42\u7684\u9ad8\u4f4e\u4e0d\u540c\u3002\u00a0\u975e\u5178\u578b\u7684\u5e94\u7528\u573a\u666f\uff1aMid\/Batch\/Free + LS\uff1a\u7528\u4e8e\u4f4e\u4f18\u5148\u7ea7\u7684\u5728\u7ebf\u670d\u52a1\u3001\u8fd1\u7ebf\u8ba1\u7b97\u4ee5\u53caAI\u63a8\u7406\u7c7b\u7b49\u4efb\u52a1\uff0c\u8fd9\u4e9b\u4efb\u52a1\u76f8\u8f83\u4e8e\u5927\u6570\u636e\u7c7b\u578b\u4efb\u52a1\uff0c\u5b83\u4eec\u65e0\u6cd5\u63a5\u53d7\u8fc7\u4f4e\u7684\u8d44\u6e90\u8d28\u91cf\uff0c\u5bf9\u5176\u4ed6\u5e94\u7528\u7684\u5e72\u6270\u4e5f\u76f8\u5bf9\u8f83\u4f4e\uff1b\u800c\u76f8\u8f83\u4e8e\u5178\u578b\u7684\u5728\u7ebf\u670d\u52a1\uff0c\u5b83\u4eec\u53c8\u53ef\u4ee5\u5fcd\u53d7\u76f8\u5bf9\u8f83\u4f4e\u7684\u8d44\u6e90\u8d28\u91cf\uff0c\u4f8b\u5982\u63a5\u53d7\u4e00\u5b9a\u7a0b\u5ea6\u7684\u9a71\u9010\u3002\u00a0Quick Start\u00a0Koordinator \u652f\u6301\u591a\u79cd\u5de5\u4f5c\u8d1f\u8f7d\u7684\u7075\u6d3b\u63a5\u5165\u6df7\u90e8\uff0c\u8fd9\u91cc\u6211\u4eec\u4ee5 Spark \u4e3a\u4f8b\uff0c\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u6df7\u90e8\u8d85\u5356\u8d44\u6e90\u3002\u5728 K8s \u96c6\u7fa4\u4e2d\u8fd0\u884c Spark \u4efb\u52a1\u6709\u4e24\u79cd\u6a21\u5f0f\uff1a\u4e00\u79cd\u662f\u901a\u8fc7 Spark Submit \u63d0\u4ea4\uff0c\u4e5f\u5c31\u662f\u5728\u672c\u5730\u4f7f\u7528 Spark \u5ba2\u6237\u7aef\u76f4\u63a5\u8fde\u63a5 K8s \u96c6\u7fa4\uff0c\u8fd9\u79cd\u65b9\u5f0f\u6bd4\u8f83\u7b80\u5355\u5feb\u6377\uff0c\u4e0d\u8fc7\u5728\u6574\u4f53\u7684\u7ba1\u7406\u80fd\u529b\u4e0a\u6709\u6240\u7f3a\u4e4f\uff0c\u5e38\u7528\u4e8e\u5f00\u53d1\u81ea\u6d4b\uff1b\u53e6\u4e00\u79cd\u65b9\u5f0f\u662f\u901a\u8fc7 Spark Operator \u63d0\u4ea4\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u5b83\u5b9a\u4e49\u4e86 SparkApplication CRD\uff0c\u7528\u4e8e Spark \u4f5c\u4e1a\u7684\u63cf\u8ff0\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7 kubectl \u5ba2\u6237\u7aef\u5c06\u63d0\u4ea4 SparkApplication CR \u5230 APIServer\uff0c\u968f\u540e\u7531 Spark Operator \u8d1f\u8d23\u4f5c\u4e1a\u751f\u547d\u5468\u671f\u4ee5\u53ca Driver Pod \u7684\u7ba1\u7406\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204792\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u51ed\u501f Koordinator \u80fd\u529b\u7684\u52a0\u6301\uff0cColocationProfile Webhook \u4f1a\u81ea\u52a8\u4e3a Spark \u4efb\u52a1\u7684 Pod \u6ce8\u5165\u76f8\u5173\u6df7\u90e8\u914d\u7f6e\u53c2\u6570\uff08\u5305\u62ecQoS\uff0cPriority\uff0cextened-resource\u7b49\uff09\uff0c\u5982\u4e0b\u6240\u793a\u3002Koordlet \u5728\u5355\u673a\u4fa7\u8d1f\u8d23 Spark Pod \u5728\u6df7\u90e8\u540e\u4e0d\u4f1a\u5f71\u54cd\u5728\u7ebf\u5e94\u7528\u6027\u80fd\u8868\u73b0\uff0c\u901a\u8fc7\u5c06 Spark \u4e0e\u5728\u7ebf\u5e94\u7528\u8fdb\u884c\u6df7\u90e8\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u96c6\u7fa4\u6574\u4f53\u8d44\u6e90\u5229\u7528\u7387\u3002\u00a0# Spark Driver Pod example<br \/>apiVersion: v1<br \/>kind: Pod<br \/>metadata:<br \/>  labels:<\/p>\n<pre><code>koordinator.sh\/qosClass: BE<\/code><\/pre>\n<p>&#8230;<br \/>spec:<br \/>  containers:<\/p>\n<ul>\n<li>\n<p>args:<\/p>\n<ul>\n<li>driver<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&#8230;<br \/>resources:<\/p>\n<pre><code>    limits:\n      koordinator.sh\/batch-cpu: &quot;1000&quot;\n      koordinator.sh\/batch-memory: 3456Mi\n    requests:\n      koordinator.sh\/batch-cpu: &quot;1000&quot;\n      koordinator.sh\/batch-memory: 3456Mi<\/code><\/pre>\n<p>&#8230;\u00a0\u5173\u952e\u6280\u672f\u4ecb\u7ecd\u00a0\u8d44\u6e90\u8d85\u53d1 &#8211; Resource Overcommitment\u00a0\u5728\u4f7f\u7528 K8s \u96c6\u7fa4\u65f6\uff0c\u7528\u6237\u5f88\u96be\u51c6\u786e\u7684\u8bc4\u4f30\u5728\u7ebf\u5e94\u7528\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u4e0d\u77e5\u9053\u8be5\u600e\u4e48\u66f4\u597d\u7684\u8bbe\u7f6e Pod \u7684 Request \u548c Limit\uff0c\u56e0\u6b64\u5f80\u5f80\u4e3a\u4e86\u4fdd\u969c\u5728\u7ebf\u5e94\u7528\u7684\u7a33\u5b9a\u6027\uff0c\u90fd\u4f1a\u8bbe\u7f6e\u8f83\u5927\u7684\u8d44\u6e90\u89c4\u683c\u3002\u5728\u5b9e\u9645\u751f\u4ea7\u4e2d\uff0c\u5927\u90e8\u5206\u5728\u7ebf\u5e94\u7528\u7684\u5b9e\u9645 CPU \u5229\u7528\u7387\u5927\u591a\u6570\u65f6\u5019\u90fd\u6bd4\u8f83\u4f4e\uff0c\u9ad8\u7684\u53ef\u80fd\u4e5f\u5c31\u767e\u5206\u4e4b\u5341\u51e0\u6216\u8005\u4e8c\u5341\u51e0\uff0c\u6d6a\u8d39\u4e86\u5927\u91cf\u5df2\u7ecf\u88ab\u5206\u914d\u4f46\u672a\u4f7f\u7528\u7684\u8d44\u6e90\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204793\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0Koordinator \u901a\u8fc7\u8d44\u6e90\u8d85\u53d1\u673a\u5236\u56de\u6536\u590d\u7528\u8fd9\u90e8\u5206\u5206\u914d\u4f46\u672a\u88ab\u4f7f\u7528\u7684\u8d44\u6e90\u3002Koordinator \u6839\u636e\u6307\u6807\u6570\u636e\u8bc4\u4f30\u5728\u7ebf\u5e94\u7528\u7684 Pod \u6709\u591a\u5c11\u8d44\u6e90\u662f\u53ef\u4ee5\u56de\u6536\u7684\uff08\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6807\u8bb0\u4e3a Reclaimed \u7684\u90e8\u5206\u5c31\u662f\u53ef\u88ab\u56de\u6536\u7684\u8d44\u6e90\uff09\uff0c\u8fd9\u4e9b\u53ef\u56de\u6536\u7684\u8d44\u6e90\u5c31\u53ef\u4ee5\u8d85\u53d1\u7ed9\u4f4e\u4f18\u5148\u7ea7\u7684\u5de5\u4f5c\u8d1f\u8f7d\u4f7f\u7528\uff0c\u4f8b\u5982\u4e00\u4e9b\u79bb\u7ebf\u4efb\u52a1\u3002\u4e3a\u4e86\u8ba9\u8fd9\u4e9b\u4f4e\u4f18\u5148\u7ea7\u5de5\u4f5c\u8d1f\u8f7d\u65b9\u4fbf\u4f7f\u7528\u8fd9\u4e9b\u8d44\u6e90\uff0cKoordinator \u4f1a\u628a\u8fd9\u4e9b\u8d85\u53d1\u8d44\u6e90\u66f4\u65b0\u5230 NodeStatus \u4e2d\uff08\u5982\u4e0b\u9762\u6240\u793a\u7684 node info\uff09\u3002\u5f53\u5728\u7ebf\u5e94\u7528\u6709\u7a81\u53d1\u7684\u8bf7\u6c42\u9700\u8981\u5904\u7406\u65f6\u8981\u6c42\u4f7f\u7528\u66f4\u591a\u7684\u8d44\u6e90\uff0cKoordinator \u901a\u8fc7\u4e30\u5bcc\u7684 QoS \u589e\u5f3a\u673a\u5236\u5e2e\u52a9\u5728\u7ebf\u5e94\u7528\u62ff\u56de\u8fd9\u4e9b\u8d44\u6e90\u4ee5\u4fdd\u8bc1\u670d\u52a1\u8d28\u91cf\u3002\u00a0# node info<br \/>allocatable:<br \/>   koordinator.sh\/bach-cpu: 50k # milli-core<br \/>   koordinator.sh\/bach-memory: 50Gi<\/p>\n<h2>pod info<\/h2>\n<p>annotations:<\/p>\n<pre><code>koordinator.sh\/resource-limit: {cpu: \u201c5k\u201d}<\/code><\/pre>\n<p>resources:<\/p>\n<pre><code> requests\n     koordinator.sh\/bach-cpu: 5k # milli-core\n     koordinator.sh\/bach-memory: 5Gi\u00a0\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6 - Load-Aware Scheduling\u00a0\u8d85\u53d1\u8d44\u6e90\u53ef\u4ee5\u6781\u5927\u7684\u63d0\u5347\u96c6\u7fa4\u7684\u8d44\u6e90\u5229\u7528\u7387\uff0c\u4f46\u4e5f\u4f1a\u51f8\u663e\u96c6\u7fa4\u5185\u8282\u70b9\u4e4b\u95f4\u8d44\u6e90\u5229\u7528\u7387\u4e0d\u5747\u5300\u7684\u73b0\u8c61\u3002\u8fd9\u4e2a\u73b0\u8c61\u5728\u975e\u6df7\u90e8\u73af\u5883\u4e0b\u4e5f\u662f\u5b58\u5728\u7684\uff0c\u53ea\u662f\u56e0\u4e3a K8s \u539f\u751f\u662f\u4e0d\u652f\u6301\u8d44\u6e90\u8d85\u53d1\u673a\u5236\uff0c\u8282\u70b9\u4e0a\u7684\u5229\u7528\u7387\u5f80\u5f80\u4e0d\u662f\u5f88\u9ad8\uff0c\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u63a9\u76d6\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u4f46\u5f53\u6df7\u90e8\u65f6\uff0c\u8d44\u6e90\u5229\u7528\u7387\u4f1a\u4e0a\u5347\u5230\u6bd4\u8f83\u9ad8\u7684\u6c34\u4f4d\u65f6\u5c31\u66b4\u9732\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u00a0\u5229\u7528\u7387\u4e0d\u5747\u5300\u4e00\u822c\u662f\u8282\u70b9\u4e4b\u95f4\u4e0d\u5747\u5300\u4ee5\u53ca\u51fa\u73b0\u5c40\u90e8\u7684\u8d1f\u8f7d\u70ed\u70b9\uff0c\u5c40\u90e8\u7684\u8d1f\u8f7d\u70ed\u70b9\u4f1a\u53ef\u80fd\u5f71\u54cd\u5de5\u4f5c\u8d1f\u8f7d\u7684\u6574\u4f53\u8fd0\u884c\u6548\u679c\u3002\u53e6\u4e00\u4e2a\u662f\u5728\u8d1f\u8f7d\u9ad8\u7684\u8282\u70b9\u4e0a\uff0c\u5728\u7ebf\u5e94\u7528\u548c\u79bb\u7ebf\u4efb\u52a1\u4e4b\u95f4\u53ef\u80fd\u4f1a\u5b58\u5728\u7684\u4e25\u91cd\u7684\u8d44\u6e90\u51b2\u7a81\uff0c\u5f71\u54cd\u5230\u5728\u7ebf\u5e94\u7528\u7684\u8fd0\u884c\u65f6\u8d28\u91cf\u3002<\/code><\/pre>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204794\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204795\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c Koordinator \u7684\u8c03\u5ea6\u5668\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u8c03\u5ea6\u63d2\u4ef6\u63a7\u5236\u96c6\u7fa4\u7684\u5229\u7528\u7387\u3002\u8be5\u8c03\u5ea6\u80fd\u529b\u4e3b\u8981\u4f9d\u8d56\u4e8e koordlet \u4e0a\u62a5\u7684\u8282\u70b9\u6307\u6807\u6570\u636e\uff0c\u5728\u8c03\u5ea6\u65f6\u4f1a\u8fc7\u6ee4\u6389\u8d1f\u8f7d\u9ad8\u4e8e\u67d0\u4e2a\u9608\u503c\u7684\u8282\u70b9\uff0c\u9632\u6b62 Pod \u5728\u8fd9\u79cd\u8d1f\u8f7d\u8f83\u9ad8\u7684\u8282\u70b9\u4e0a\u65e0\u6cd5\u83b7\u5f97\u5f88\u597d\u7684\u8d44\u6e90\u4fdd\u969c\uff0c\u53e6\u4e00\u65b9\u9762\u662f\u907f\u514d\u8d1f\u8f7d\u5df2\u7ecf\u8f83\u9ad8\u7684\u8282\u70b9\u7ee7\u7eed\u6076\u5316\u3002\u5728\u6253\u5206\u9636\u6bb5\u9009\u62e9\u5229\u7528\u7387\u66f4\u4f4e\u7684\u8282\u70b9\u3002\u8be5\u63d2\u4ef6\u4f1a\u57fa\u4e8e\u65f6\u95f4\u7a97\u53e3\u548c\u9884\u4f30\u673a\u5236\u89c4\u907f\u56e0\u77ac\u95f4\u8c03\u5ea6\u592a\u591a\u7684 Pod \u5230\u51b7\u8282\u70b9\u673a\u5668\u51fa\u73b0\u4e00\u6bb5\u65f6\u95f4\u540e\u51b7\u8282\u70b9\u8fc7\u70ed\u7684\u60c5\u51b5\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204796\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u5e94\u7528\u63a5\u5165\u7ba1\u7406 &#8211; ClusterColocationProfile\u00a0\u6211\u4eec\u5728 Koordinator\u9879\u76ee\u5f00\u6e90\u4e4b\u521d\u5c31\u8003\u8651\u5230\uff0c\u9700\u8981\u964d\u4f4e Koordinator \u6df7\u90e8\u7cfb\u7edf\u7684\u4f7f\u7528\u95e8\u69db\uff0c\u8ba9\u5927\u5bb6\u53ef\u4ee5\u7b80\u5355\u5feb\u901f\u7684\u7070\u5ea6\u548c\u4f7f\u7528\u6df7\u90e8\u6280\u672f\u83b7\u5f97\u6536\u76ca\u3002\u56e0\u6b64 Koordinator \u63d0\u4f9b\u4e86\u4e00\u4e2a ClusterColocationProfile CRD\uff0c\u901a\u8fc7\u8fd9\u4e2a CRD \u548c\u5bf9\u5e94\u7684 Webhook \uff0c\u53ef\u4ee5\u5728\u4e0d\u4fb5\u5165\u5b58\u91cf\u96c6\u7fa4\u5185\u7684\u7ec4\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u6309\u9700\u9488\u5bf9\u4e0d\u540c\u7684 Namespace \u6216\u8005\u4e0d\u540c\u7684\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u4e00\u952e\u5f00\u542f\u6df7\u90e8\u80fd\u529b\uff0cWebhook \u4f1a\u6839\u636e\u8be5 CRD \u63cf\u8ff0\u7684\u89c4\u5219\u5bf9\u65b0\u521b\u5efa\u7684 Pod \u81ea\u52a8\u7684\u6ce8\u5165 Koorinator \u4f18\u5148\u7ea7\u3001QoS \u914d\u7f6e\u548c\u5176\u4ed6\u6df7\u90e8\u534f\u8bae\u7b49\u3002\u00a0apiVersion: config.koordinator.sh\/v1alpha1<br \/>kind: ClusterColocationProfile<br \/>metadata:<br \/>  name: colocation-profile-example<br \/>spec:<br \/>  namespaceSelector:<\/p>\n<pre><code>matchLabels:\n  koordinator.sh\/enable-colocation: &quot;true&quot;<\/code><\/pre>\n<p>selector:<\/p>\n<pre><code>matchLabels:\n  sparkoperator.k8s.io\/launched-by-spark-operator: &quot;true&quot;<\/code><\/pre>\n<p>qosClass: BE<br \/>  priorityClassName: koord-batch<br \/>  koordinatorPriority: 1000<br \/>  schedulerName: koord-scheduler<br \/>  labels:<\/p>\n<pre><code>koordinator.sh\/mutated: &quot;true&quot;<\/code><\/pre>\n<p>annotations:<\/p>\n<pre><code>koordinator.sh\/intercepted: &quot;true&quot;<\/code><\/pre>\n<p>patch:<\/p>\n<pre><code>spec:\n  terminationGracePeriodSeconds: 30\u00a0\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4e0a\u9762\u662f ClusterColocationProfile \u7684\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u8868\u793a\u6240\u6709\u5e26\u6709 koordinator.sh\/enable-colocation=true \u6807\u7b7e\u7684 Namespace \u548c\u8be5 Namespace \u4e0b SparkOperator \u4f5c\u4e1a\u521b\u5efa\u7684 Pod \u90fd\u53ef\u4ee5\u8f6c\u4e3a BE \u7c7b\u578b\u7684 Pod\uff08BTW\uff1aSparkOperator \u521b\u5efa\u7684 Pod \u65f6\u4f1a\u589e\u52a0\u6807\u7b7e sparkoperator.k8s.io\/launched-by-spark-operator=true \u8868\u793a\u8fd9\u4e2a Pod \u662f SparkOperator \u8d1f\u8d23\u7684\uff09\u3002\u00a0\u53ea\u9700\u8981\u6309\u7167\u5982\u4e0b\u6b65\u9aa4\u5c31\u53ef\u4ee5\u5b8c\u6210\u6df7\u90e8\u63a5\u5165\uff1a\u00a0$ kubectl apply -f profile.yaml<\/code><\/pre>\n<p>$ kubectl label ns spark-job -l koordinator.sh\/enable-colocation=true<br \/>$ # submit Spark Job, the Pods created by SparkOperator are co-located other LS Pods.\u00a0QoS \u589e\u5f3a \u2013 CPU Suppress\u00a0Koordinator \u4e3a\u4fdd\u969c\u5728\u7ebf\u5e94\u7528\u5728\u6df7\u90e8\u573a\u666f\u4e0b\u7684\u8fd0\u884c\u65f6\u8d28\u91cf\uff0c\u5728\u5355\u673a\u4fa7\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684 QoS \u589e\u5f3a\u80fd\u529b\u3002\u00a0\u9996\u5148\u5411\u5927\u5bb6\u4ecb\u7ecd CPU Suppress\uff08CPU \u52a8\u6001\u538b\u5236\uff09\u7279\u6027 \u3002\u524d\u9762\u5411\u5927\u5bb6\u4ecb\u7ecd\u4e86\uff0c\u5728\u7ebf\u5e94\u7528\u5927\u591a\u65f6\u5019\u5e76\u4e0d\u4f1a\u5b8c\u5168\u7528\u5b8c\u7533\u8bf7\u5230\u7684\u8d44\u6e90\uff0c\u4f1a\u6709\u5927\u91cf\u7684\u7a7a\u95f2\u8d44\u6e90\uff0c\u8fd9\u4e9b\u7a7a\u95f2\u8d44\u6e90\u9664\u4e86\u53ef\u4ee5\u901a\u8fc7\u8d44\u6e90\u8d85\u53d1\u7ed9\u65b0\u521b\u5efa\u7684\u79bb\u7ebf\u4efb\u52a1\u4f7f\u7528\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728\u8282\u70b9\u4e0a\u8fd8\u6ca1\u6709\u65b0\u7684\u79bb\u7ebf\u4efb\u52a1\u9700\u8981\u6267\u884c\u65f6\uff0c\u5c3d\u53ef\u80fd\u7684\u628a\u7a7a\u95f2\u7684 CPU \u8d44\u6e90\u5171\u4eab\u7ed9\u5b58\u91cf\u7684\u79bb\u7ebf\u4efb\u52a1\u3002\u5982\u8fd9\u4e2a\u56fe\u4e2d\u6240\u793a\uff0c\u5f53 koordlet \u53d1\u73b0\u5728\u7ebf\u5e94\u7528\u7684\u8d44\u6e90\u7a7a\u95f2\uff0c\u5e76\u4e14\u79bb\u7ebf\u4efb\u52a1\u4f7f\u7528\u7684 CPU \u8fd8\u6ca1\u6709\u8d85\u8fc7\u5b89\u5168\u9608\u503c\uff0c\u90a3\u4e48\u5b89\u5168\u9608\u503c\u5185\u7684\u7a7a\u95f2 CPU \u5c31\u53ef\u4ee5\u5171\u4eab\u7ed9\u79bb\u7ebf\u4efb\u52a1\u4f7f\u7528\uff0c\u8ba9\u79bb\u7ebf\u4efb\u52a1\u53ef\u4ee5\u66f4\u5feb\u7684\u6267\u884c\u3002\u56e0\u6b64\u5728\u7ebf\u5e94\u7528\u7684\u8d1f\u8f7d\u7684\u9ad8\u4f4e\u51b3\u5b9a\u4e86 BE Pod \u603b\u5171\u6709\u591a\u5c11\u53ef\u7528 CPU\u3002\u5f53\u5728\u7ebf\u8d1f\u8f7d\u5347\u9ad8\u65f6\uff0ckoordlet \u4f1a\u901a\u8fc7 CPU Suppress \u538b\u5236 BE Pod\uff0c\u628a\u5171\u4eab\u7684 CPU \u8fd8\u7ed9\u5728\u7ebf\u5e94\u7528\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204797\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204798\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0QoS \u589e\u5f3a \u2013 \u57fa\u4e8e\u8d44\u6e90\u6ee1\u8db3\u5ea6\u7684\u9a71\u9010\u00a0CPU Suppress \u5728\u7ebf\u5e94\u7528\u7684\u8d1f\u8f7d\u5347\u9ad8\u65f6\u53ef\u80fd\u4f1a\u9891\u7e41\u7684\u538b\u5236\u79bb\u7ebf\u4efb\u52a1\uff0c\u8fd9\u867d\u7136\u53ef\u4ee5\u5f88\u597d\u7684\u4fdd\u969c\u5728\u7ebf\u5e94\u7528\u7684\u8fd0\u884c\u65f6\u8d28\u91cf\uff0c\u4f46\u662f\u5bf9\u79bb\u7ebf\u4efb\u52a1\u8fd8\u662f\u6709\u4e00\u4e9b\u5f71\u54cd\u7684\u3002\u867d\u7136\u79bb\u7ebf\u4efb\u52a1\u662f\u4f4e\u4f18\u5148\u7ea7\u7684\uff0c\u4f46\u9891\u7e41\u538b\u5236\u4f1a\u5bfc\u81f4\u79bb\u7ebf\u4efb\u52a1\u7684\u6027\u80fd\u5f97\u4e0d\u5230\u6ee1\u8db3\uff0c\u4e25\u91cd\u7684\u4e5f\u4f1a\u5f71\u54cd\u5230\u79bb\u7ebf\u7684\u670d\u52a1\u8d28\u91cf\u3002\u800c\u4e14\u9891\u7e41\u7684\u538b\u5236\u8fd8\u5b58\u5728\u4e00\u4e9b\u6781\u7aef\u7684\u60c5\u51b5\uff0c\u5982\u679c\u79bb\u7ebf\u4efb\u52a1\u5728\u88ab\u538b\u5236\u65f6\u6301\u6709\u5185\u6838\u5168\u5c40\u9501\u7b49\u7279\u6b8a\u8d44\u6e90\uff0c\u90a3\u4e48\u9891\u7e41\u7684\u538b\u5236\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4f18\u5148\u7ea7\u53cd\u8f6c\u4e4b\u7c7b\u7684\u95ee\u9898\uff0c\u53cd\u800c\u4f1a\u5f71\u54cd\u5728\u7ebf\u5e94\u7528\u3002\u867d\u7136\u8fd9\u79cd\u60c5\u51b5\u5e76\u4e0d\u7ecf\u5e38\u53d1\u751f\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204799\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204800\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cKoordinator \u63d0\u51fa\u4e86\u4e00\u79cd\u57fa\u4e8e\u8d44\u6e90\u6ee1\u8db3\u5ea6\u7684\u9a71\u9010\u673a\u5236\u3002\u6211\u4eec\u628a\u5b9e\u9645\u5206\u914d\u7684CPU\u603b\u91cf \u4e0e \u671f\u671b\u5206\u914d\u7684 CPU \u603b\u91cf\u7684\u6bd4\u503c\u6210\u4e3a CPU \u6ee1\u8db3\u5ea6\u3002\u5f53\u79bb\u7ebf\u4efb\u52a1\u7ec4\u7684 CPU \u6ee1\u8db3\u5ea6\u4f4e\u4e8e\u9608\u503c\uff0c\u800c\u4e14\u79bb\u7ebf\u4efb\u52a1\u7ec4\u7684 CPU \u5229\u7528\u7387\u8d85\u8fc7 90% \u65f6\uff0ckoordlet \u4f1a\u9a71\u9010\u4e00\u4e9b\u4f4e\u4f18\u5148\u7ea7\u7684\u79bb\u7ebf\u4efb\u52a1\uff0c\u91ca\u653e\u51fa\u4e00\u4e9b\u8d44\u6e90\u7ed9\u66f4\u9ad8\u4f18\u5148\u7ea7\u7684\u79bb\u7ebf\u4efb\u52a1\u4f7f\u7528\u3002\u901a\u8fc7\u8fd9\u79cd\u673a\u5236\u80fd\u591f\u6539\u5584\u79bb\u7ebf\u4efb\u52a1\u7684\u8d44\u6e90\u9700\u6c42\u3002\u00a0QoS \u589e\u5f3a &#8211; CPU Burst\u00a0\u6211\u4eec\u77e5\u9053 CPU \u5229\u7528\u7387\u662f\u4e00\u6bb5\u65f6\u95f4\u5185 CPU \u4f7f\u7528\u7684\u5e73\u5747\u503c\u3002\u800c\u4e14\u6211\u4eec\u5927\u591a\u6570\u65f6\u5019\u90fd\u662f\u4ee5\u4e00\u79cd\u8f83\u7c97\u7684\u65f6\u95f4\u5355\u4f4d\u7c92\u5ea6\u89c2\u5bdf\u7edf\u8ba1 CPU \u5229\u7528\u7387\uff0c\u8fd9\u4e2a\u65f6\u5019\u89c2\u5bdf\u5230 CPU \u5229\u7528\u7387\u7684\u53d8\u5316\u662f\u57fa\u672c\u7a33\u5b9a\u7684\u3002\u4f46\u5982\u679c\u6211\u4eec\u4ee5\u8f83\u7ec6\u7684\u65f6\u95f4\u5355\u4f4d\u7c92\u5ea6\u89c2\u5bdf\u7edf\u8ba1 CPU \u5229\u7528\u7387\uff0c\u53ef\u4ee5\u770b\u5230 CPU \u4f7f\u7528\u7684\u7a81\u53d1\u7279\u5f81\u975e\u5e38\u660e\u663e\uff0c\u662f\u4e0d\u7a33\u5b9a\u7684\u3002\u5982\u4e0b\u56fe\u4ee5 1s \u7c92\u5ea6\u89c2\u5bdf\u5229\u7528\u7387\uff08\u7d2b\u8272\uff09\u548c 100ms \u7c92\u5ea6\u89c2\u5bdf\u7684\u5229\u7528\u7387\uff08\u7eff\u8272\uff09\u5bf9\u6bd4\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204801\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u7ec6\u7c92\u5ea6\u6570\u636e\u89c2\u6d4b\u8868\u660eCPU \u7a81\u53d1\u548c\u538b\u5236\u662f\u5e38\u6001\u3002Linux\u5185\u6838\u4e2d\u901a\u8fc7 CFS \u5e26\u5bbd\u63a7\u5236\u5668 cgroup CPU \u7684\u6d88\u8017\uff0c\u5b83\u9650\u5236\u4e86 cgroup \u7684 CPU \u6d88\u8017\u4e0a\u9650\uff0c\u56e0\u6b64\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u7a81\u53d1\u6d41\u91cf\u4e0b\u4e1a\u52a1\u77ed\u65f6\u95f4\u5185\u88ab\u72e0\u72e0\u5730 throttle\uff0c\u4ea7\u751f\u957f\u5c3e\u5ef6\u8fdf\uff0c\u9020\u6210\u670d\u52a1\u8d28\u91cf\u4e0b\u964d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0cReq2 \u56e0\u4e3a CPU \u88ab\u538b\u5236\uff0c\u5ef6\u671f\u5230\u7b2c 200ms \u624d\u5f97\u5230\u5904\u7406\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204802\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cKoordinator \u57fa\u4e8e CPU Burst \u6280\u672f\u5e2e\u52a9\u5728\u7ebf\u5e94\u7528\u5e94\u5bf9\u7a81\u53d1\u60c5\u51b5\u3002CPU Burst \u5141\u8bb8\u5de5\u4f5c\u8d1f\u8f7d\u5728\u6709\u7a81\u53d1\u8bf7\u6c42\u5904\u7406\u4f7f\u7528CPU \u8d44\u6e90\u65f6\uff0c\u4f7f\u7528\u65e5\u5e38\u7684 CPU \u8d44\u6e90\u3002\u6bd4\u5982\u5bb9\u5668\u5728\u65e5\u5e38\u8fd0\u884c\u4e2d\u4f7f\u7528\u7684 CPU \u8d44\u6e90\u672a\u8d85\u8fc7 CPU \u9650\u6d41\uff0c\u7a7a\u4f59\u7684CPU\u8d44\u6e90\u5c06\u4f1a\u88ab\u79ef\u7d2f\u3002\u540e\u7eed\u5f53\u5bb9\u5668\u8fd0\u884c\u9700\u8981\u5927\u91cf CPU \u8d44\u6e90\u65f6\uff0c\u5c06\u901a\u8fc7 CPU Burst \u529f\u80fd\u7a81\u53d1\u4f7f\u7528 CPU \u8d44\u6e90\uff0c\u8fd9\u90e8\u5206\u7a81\u53d1\u4f7f\u7528\u7684\u8d44\u6e90\u6765\u6e90\u4e8e\u5df2\u79ef\u7d2f\u7684\u8d44\u6e90\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u7a81\u53d1\u7684 Req2 \u56e0\u4e3a\u6709\u79ef\u7d2f\u7684 CPU \u8d44\u6e90\uff0c\u901a\u8fc7 CPU Burst \u529f\u80fd\u5f97\u4ee5\u907f\u514d\u88ab throttle\uff0c\u5feb\u901f\u7684\u5904\u7406\u4e86\u8bf7\u6c42\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204803\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0QoS \u589e\u5f3a \u2013 Group Identity\u00a0\u5728\u6df7\u90e8\u573a\u666f\u4e0b\uff0cLinux \u5185\u6838\u867d\u7136\u63d0\u4f9b\u4e86\u591a\u79cd\u673a\u5236\u6ee1\u8db3\u4e0d\u540c\u4f18\u5148\u7ea7\u7684\u5de5\u4f5c\u8d1f\u8f7d\u7684\u8c03\u5ea6\u9700\u6c42\uff0c\u4f46\u5f53\u4e00\u4e2a\u5728\u7ebf\u5e94\u7528\u548c\u4e00\u4e2a\u79bb\u7ebf\u4efb\u52a1\u540c\u65f6\u8fd0\u884c\u5728\u4e00\u4e2a\u7269\u7406\u6838\u4e0a\u65f6\uff0c\u56e0\u4e3a\u5728\u79bb\u7ebf\u4efb\u52a1\u90fd\u5171\u4eab\u76f8\u540c\u7684\u7269\u7406\u8d44\u6e90\uff0c\u5728\u7ebf\u5e94\u7528\u7684\u6027\u80fd\u4e0d\u53ef\u907f\u514d\u7684\u4f1a\u88ab\u79bb\u7ebf\u4efb\u52a1\u5e72\u6270\u4ece\u800c\u6027\u80fd\u4e0b\u964d\u3002Alibaba Cloud Linux 2 \u4ece\u5185\u6838\u7248\u672c kernel-4.19.91-24.al7 \u5f00\u59cb\u652f\u6301 Group Identity \u529f\u80fd\uff0cGroup Identity \u662f\u4e00\u79cd\u4ee5 cgroup \u7ec4\u4e3a\u5355\u4f4d\u5b9e\u73b0\u7684\u8c03\u5ea6\u7279\u6b8a\u4f18\u5148\u7ea7\u7684\u624b\u6bb5\uff0c\u7b80\u5355\u8bb2\uff0c\u5f53\u5728\u7ebf\u5e94\u7528\u9700\u8981\u66f4\u591a\u8d44\u6e90\u65f6\uff0c\u901a\u8fc7 Group Identity \u53ef\u4ee5\u6682\u65f6\u538b\u5236\u79bb\u7ebf\u4efb\u52a1\u4fdd\u969c\u5728\u7ebf\u5e94\u7528\u53ef\u4ee5\u5feb\u901f\u7684\u54cd\u5e94\u3002\u00a0\u8981\u4f7f\u7528\u8fd9\u4e2a\u7279\u6027\u6bd4\u8f83\u7b80\u5355\uff0c\u53ef\u4ee5\u914d\u7f6e cpu cgroup \u00a0\u7684 cpu.bvt_warp_ns \u5373\u53ef\u3002\u5728 Koordinator \u91cc\uff0cBE \u7c7b\u79bb\u7ebf\u4efb\u52a1\u5bf9\u5e94\u914d\u7f6e\u4e3a -1\uff0c\u5373\u6700\u4f4e\u4f18\u5148\u7ea7\uff0c LS\/LSR \u7b49\u5728\u7ebf\u5e94\u7528\u7c7b\u578b\u8bbe\u7f6e\u4e3a 2\uff0c\u5373\u6700\u9ad8\u4f18\u5148\u7ea7\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204804\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204805\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0QoS \u589e\u5f3a \u2013 Memory QoS\u00a0\u5bb9\u5668\u5728\u4f7f\u7528\u5185\u5b58\u65f6\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u9762\u7684\u7ea6\u675f\uff1a\u00a0\u81ea\u8eab\u5185\u5b58\u9650\u5236\uff1a\u5f53\u5bb9\u5668\u81ea\u8eab\u7684\u5185\u5b58\uff08\u542bPage Cache\uff09\u63a5\u8fd1\u5bb9\u5668\u4e0a\u9650\u65f6\uff0c\u4f1a\u89e6\u53d1\u5185\u6838\u7684\u5185\u5b58\u56de\u6536\u5b50\u7cfb\u7edf\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u5f71\u54cd\u5bb9\u5668\u5185\u5e94\u7528\u7684\u5185\u5b58\u7533\u8bf7\u548c\u91ca\u653e\u7684\u6027\u80fd\u3002\u8282\u70b9\u5185\u5b58\u9650\u5236\uff1a\u5f53\u5bb9\u5668\u5185\u5b58\u8d85\u5356\uff08Memory Limit&gt;Request\uff09\u5bfc\u81f4\u6574\u673a\u5185\u5b58\u4e0d\u8db3\uff0c\u4f1a\u89e6\u53d1\u5185\u6838\u7684\u5168\u5c40\u5185\u5b58\u56de\u6536\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5bf9\u6027\u80fd\u5f71\u54cd\u8f83\u5927\uff0c\u6781\u7aef\u60c5\u51b5\u751a\u81f3\u5bfc\u81f4\u6574\u673a\u5f02\u5e38\u3002\u00a0\u4e3a\u4e86\u63d0\u9ad8\u5e94\u7528\u8fd0\u884c\u65f6\u6027\u80fd\u548c\u8282\u70b9\u7684\u7a33\u5b9a\u6027\uff0cKoordinator \u5f15\u5165Memory QoS \u80fd\u529b\uff0c\u4e3a\u5e94\u7528\u63d0\u5347\u5185\u5b58\u6027\u80fd\u3002\u5f53\u529f\u80fd\u5f00\u542f\u65f6\uff0ckoordlet \u4f9d\u636e\u81ea\u9002\u5e94\u914d\u7f6e\u5185\u5b58\u5b50\u7cfb\u7edf\uff08Memcg\uff09\uff0c\u5728\u4fdd\u969c\u8282\u70b9\u5185\u5b58\u8d44\u6e90\u516c\u5e73\u7684\u57fa\u7840\u4e0a\uff0c\u4f18\u5316\u5185\u5b58\u654f\u611f\u578b\u5e94\u7528\u7684\u6027\u80fd\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204806\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204807\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u540e\u7eed\u6f14\u8fdb\u8ba1\u5212\u00a0\u7cbe\u7ec6\u5316 CPU \u7f16\u6392 &#8211; Find-grained CPUOrchestration\u00a0\u6211\u4eec\u6b63\u5728\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7cbe\u7ec6\u5316 CPU \u7f16\u6392\u673a\u5236\u3002\u00a0\u6211\u4eec\u4e3a\u4ec0\u4e48\u8981\u63d0\u4f9b\u8fd9\u4e2a\u7f16\u6392\u673a\u5236\u5462\uff1f\u968f\u7740\u8d44\u6e90\u5229\u7528\u7387\u7684\u63d0\u5347\u8fdb\u5165\u5230\u6df7\u90e8\u7684\u6df1\u6c34\u533a\uff0c\u9700\u8981\u5bf9\u8d44\u6e90\u8fd0\u884c\u65f6\u7684\u6027\u80fd\u505a\u66f4\u6df1\u5165\u7684\u8c03\u4f18\uff0c\u66f4\u7cbe\u7ec6\u7684\u8d44\u6e90\u7f16\u6392\u53ef\u4ee5\u66f4\u597d\u7684\u4fdd\u969c\u8fd0\u884c\u65f6\u8d28\u91cf\uff0c\u4ece\u800c\u901a\u8fc7\u6df7\u90e8\u5c06\u5229\u7528\u7387\u63a8\u5411\u66f4\u9ad8\u7684\u6c34\u5e73\u3002\u00a0\u6211\u4eec\u628a Koordinator QoS \u5728\u7ebf\u5e94\u7528 LS \u7c7b\u578b\u505a\u4e86\u66f4\u7ec6\u81f4\u7684\u5212\u5206\uff0c\u5206\u4e3a LSE\u3001LSR \u548c LS \u4e09\u79cd\u7c7b\u578b\u3002\u62c6\u5206\u540e\u7684 QoS \u7c7b\u578b\u5177\u5907\u66f4\u9ad8\u7684\u9694\u79bb\u6027\u548c\u8fd0\u884c\u65f6\u8d28\u91cf\u3002\u901a\u8fc7\u8fd9\u6837\u7684\u62c6\u5206\uff0c\u6574\u4e2a Koordinator QoS \u8bed\u4e49\u66f4\u52a0\u7cbe\u786e\u548c\u5b8c\u6574\uff0c\u5e76\u4e14\u517c\u5bb9 K8s \u5df2\u6709\u7684 QoS \u8bed\u4e49\u3002\u00a0\u800c\u4e14\u6211\u4eec\u9488\u5bf9 Koordinator QoS\uff0c\u8bbe\u8ba1\u4e86\u4e00\u5957\u4e30\u5bcc\u7075\u6d3b\u7684 CPU \u7f16\u6392\u7b56\u7565\uff0c\u5982\u4e0b\u8868\u6240\u793a\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204808\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204809\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204810\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>Koordinator QoS \u5bf9\u5e94\u7684 CPU \u7f16\u6392\u7b56\u7565\u00a0\u53e6\u5916\uff0c\u9488\u5bf9 LSR \u7c7b\u578b\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e24\u79cd\u7ed1\u6838\u7b56\u7565\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5e73\u8861\u6027\u80fd\u548c\u7ecf\u6d4e\u6536\u76ca\u3002\u00a0SameCore \u7b56\u7565\uff1a\u66f4\u597d\u7684\u9694\u79bb\u6027\uff0c\u4f46\u5f39\u6027\u7a7a\u95f4\u5c0f\u3002Spread \u7b56\u7565\uff1a\u4e2d\u7b49\u7684\u9694\u79bb\u6027\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u9694\u79bb\u7b56\u7565\u4f18\u5316\uff1b\u4f7f\u7528\u5f97\u5f53\u53ef\u4ee5\u83b7\u5f97\u6bd4 SameCore \u7b56\u7565\u66f4\u597d\u7684\u6027\u80fd\uff1b\u6709\u4e00\u5b9a\u7684\u5f39\u6027\u7a7a\u95f4\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204811\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0Koordinator \u7684\u8fd9\u5957\u7cbe\u7ec6\u5316 CPU \u7f16\u6392\u65b9\u6848\u517c\u5bb9 K8s \u5df2\u6709\u7684 CPUManager \u548c NUMA Topology Manager \u673a\u5236\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\u5b58\u91cf\u96c6\u7fa4\u4f7f\u7528 Koordinator \u65f6\u4e0d\u4f1a\u5f71\u54cd\u5b58\u91cf\u7684 Pod\uff0c\u53ef\u4ee5\u5b89\u5168\u653e\u5fc3\u7684\u7070\u5ea6\u4f7f\u7528\u3002\u00a0\u8d44\u6e90\u9884\u7559 &#8211; Resource Reservation\u00a0\u8d44\u6e90\u9884\u7559\u662f\u6211\u4eec\u53e6\u4e00\u4e2a\u6b63\u5728\u8bbe\u8ba1\u7684\u7279\u6027\u3002\u8d44\u6e90\u9884\u7559\u53ef\u4ee5\u5e2e\u52a9\u89e3\u51b3\u8d44\u6e90\u7ba1\u7406\u7684\u75db\u70b9\u3002\u4f8b\u5982\u6709\u65f6\u5019\u50cf\u5927\u5bb6\u719f\u6089\u7684\u4e92\u8054\u7f51\u4e1a\u52a1\u573a\u666f\uff0c\u90fd\u6709\u975e\u5e38\u5f3a\u7684\u5cf0\u8c37\u7279\u5f81\u3002\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u5728\u5cf0\u503c\u5230\u8fbe\u524d\u9884\u7559\u8d44\u6e90\u786e\u4fdd\u4e00\u5b9a\u6709\u8d44\u6e90\u6ee1\u8db3\u5cf0\u503c\u8bf7\u6c42\u3002\u53e6\u5916\u50cf\u5927\u5bb6\u5728\u6269\u5bb9\u65f6\u53ef\u80fd\u4e5f\u4f1a\u9047\u5230\u7684\u95ee\u9898\uff0c\u53d1\u8d77\u6269\u5bb9\u540e\u56e0\u4e3a\u6ca1\u6709\u8d44\u6e90 Pod \u5c31 Pending \u5728\u96c6\u7fa4\u91cc\uff0c\u5982\u679c\u80fd\u5728\u6269\u5bb9\u524d\u63d0\u524d\u786e\u8ba4\u662f\u5426\u8d44\u6e90\uff0c\u6ca1\u8d44\u6e90\u65f6\u52a0\u65b0\u673a\u5668\u5c31\u80fd\u6709\u66f4\u597d\u7684\u4f53\u9a8c\u3002\u8fd8\u6709\u50cf\u91cd\u8c03\u5ea6\u573a\u666f\uff0c\u53ef\u4ee5\u901a\u8fc7\u8d44\u6e90\u9884\u7559\u4fdd\u969c\u88ab\u9a71\u9010\u7684 Pod \u4e00\u5b9a\u6709\u8d44\u6e90\u53ef\u4ee5\u7528\uff0c\u53ef\u4ee5\u6781\u5927\u7684\u964d\u4f4e\u91cd\u8c03\u5ea6\u7684\u8d44\u6e90\u98ce\u9669\uff0c\u66f4\u5b89\u5168\u653e\u5fc3\u7684\u4f7f\u7528\u91cd\u8c03\u5ea6\u80fd\u529b\u3002\u00a0Koordinator \u7684\u8d44\u6e90\u9884\u7559\u673a\u5236\u4e0d\u4f1a\u4fb5\u5165 K8s \u793e\u533a\u5df2\u6709\u7684 API \u548c\u4ee3\u7801\u3002\u5e76\u652f\u6301 PodTemplateSpec\uff0c\u6a21\u4eff\u4e00\u4e2aPod \u901a\u8fc7\u8c03\u5ea6\u5668\u627e\u5230\u6700\u5408\u9002\u7684\u8282\u70b9\u3002\u5e76\u652f\u6301\u58f0\u660e\u6240\u6709\u6743\u7684\u65b9\u5f0f\u652f\u6301 Pod \u4f18\u5148\u4f7f\u7528\u9884\u7559\u8d44\u6e90\uff0c\u4f8b\u5982\u5f53\u4e00\u4e2a\u771f\u6b63\u7684 Pod \u8c03\u5ea6\u65f6\uff0c\u4f1a\u4f18\u5148\u5c1d\u8bd5\u6839\u636e Pod \u7684\u7279\u5f81\u627e\u5230\u5408\u9002\u7684\u9884\u7559\u8d44\u6e90\uff0c\u5426\u5219\u7ee7\u7eed\u4f7f\u7528\u96c6\u7fa4\u5185\u7a7a\u95f2\u7684\u8d44\u6e90\u3002\u00a0\u4e0b\u9762\u662f\u4e00\u4e2a Reservation CRD \u7684\u4f8b\u5b50\uff08\u6700\u7ec8\u4ee5 Koordinator \u793e\u533a\u901a\u8fc7\u7684\u8bbe\u8ba1\u4e3a\u51c6\uff09\u00a0kind: Reservation<br \/>metadata:<br \/>  name: my-reservation<br \/>  namespace: default<br \/>spec:<br \/>  template: &#8230; # a copy of the Pod&#8217;s spec<br \/>  resourceOwners:<\/p>\n<pre><code>controller:\n  apiVersion: apps\/v1\n  kind: Deployment\n  name: deployment-5b8df84dd<\/code><\/pre>\n<p>timeToLiveInSeconds: 300 # 300 seconds<br \/>  nodeName: node-1<br \/>status:<br \/>  phase: Available<br \/>  &#8230;\u00a0\u7cbe\u7ec6\u5316 GPU \u8c03\u5ea6 &#8211; GPU Scheduling\u00a0\u7cbe\u7ec6\u5316 GPU \u8c03\u5ea6\u662f\u6211\u4eec\u672a\u6765\u671f\u671b\u63d0\u4f9b\u7684\u4e00\u79cd\u80fd\u529b\u3002GPU \u548c CPU \u5728\u8d44\u6e90\u7279\u5f81\u4e0a\u5dee\u5f02\u6bd4\u8f83\u5927\uff0c\u800c\u4e14\u5728\u50cf\u673a\u5668\u5b66\u4e60\u7684\u6a21\u578b\u8bad\u7ec3\u573a\u666f\u4e2d\uff0c\u4e00\u4e2a\u8bad\u7ec3\u4f5c\u4e1a\u4f1a\u56e0\u4e3a\u4e0d\u540c\u7684\u62d3\u6251\u7ed3\u6784\u5bfc\u81f4\u4e0d\u540c\u7684\u6027\u80fd\u5dee\u5f02\uff0c\u4f8b\u5982\u6839\u636e\u673a\u5668\u5b66\u4e60\u4f5c\u4e1a\u5185 worker \u4e4b\u95f4\u4e0d\u540c\u7684\u62d3\u6251\u7ec4\u5408\uff0c\u4f1a\u5f97\u5230\u4e0d\u540c\u7684\u6027\u80fd\uff0c\u8fd9\u4e0d\u4ec5\u4f53\u73b0\u5728\u96c6\u7fa4\u5185\u8282\u70b9\u4e4b\u95f4\uff0c\u800c\u4e14\u5373\u4f7f\u5355\u4e2a\u8282\u70b9\u4e0a\uff0cGPU \u5361\u4e4b\u95f4\u4e5f\u56e0\u4e3a\u50cf\u662f\u5426\u4f7f\u7528 NVLINK \u4e5f\u4f1a\u6709\u5de8\u5927\u7684\u6027\u80fd\u5dee\u5f02\uff0c\u8fd9\u8ba9\u6574\u4e2a GPU \u7684\u8c03\u5ea6\u5206\u914d\u903b\u8f91\u53d8\u7684\u5341\u5206\u590d\u6742\u3002\u800c\u4e14 GPU \u548c CPU \u7684\u8ba1\u7b97\u4efb\u52a1\u5728\u96c6\u7fa4\u5185\u6df7\u90e8\u65f6\uff0c\u600e\u4e48\u907f\u514d\u4e24\u79cd\u8d44\u6e90\u7684\u6d6a\u8d39\uff0c\u4e5f\u662f\u9700\u8981\u8003\u8651\u89e3\u51b3\u4f18\u5316\u7684\u95ee\u9898\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204812\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u89c4\u683c\u63a8\u8350 &#8211; Resource Recommendation\u00a0\u540e\u7eed Koordinator \u8fd8\u4f1a\u63d0\u4f9b\u57fa\u4e8e\u753b\u50cf\u7684\u89c4\u683c\u63a8\u8350\u80fd\u529b\u3002\u524d\u9762\u4e5f\u63d0\u5230\uff0c\u7528\u6237\u662f\u5f88\u96be\u7cbe\u786e\u8bc4\u4f30\u5e94\u7528\u7a0b\u5e8f\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u7684\uff0cRequest \u548c Limit \u5230\u5e95\u662f\u4ec0\u4e48\u5173\u7cfb\uff0c\u5230\u5e95\u8be5\u600e\u4e48\u8bbe\u7f6e Request\/Limit\uff0c\u5bf9\u4e8e\u6211\u8fd9\u4e2a\u5e94\u7528\u6765\u8bf4\u54ea\u79cd\u7ec4\u5408\u624d\u662f\u6700\u5408\u9002\u7684\uff1f\u7ecf\u5e38\u9ad8\u4f30\u6216\u8005\u4f4e\u4f30 Pod \u8d44\u6e90\u89c4\u683c\uff0c\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39\u751a\u81f3\u7a33\u5b9a\u6027\u98ce\u9669\u3002\u00a0Koordinator \u4f1a\u63d0\u4f9b\u8d44\u6e90\u753b\u50cf\u80fd\u529b\uff0c\u91c7\u96c6\u5e76\u52a0\u5de5\u5206\u6790\u5386\u53f2\u6570\u636e\uff0c\u63a8\u8350\u66f4\u51c6\u786e\u7684\u8d44\u6e90\u89c4\u683c\u3002<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204813\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204814\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u793e\u533a\u5efa\u8bbe\u00a0\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5728\u6700\u8fd1\u4e24\u4e2a\u591a\u6708\u53d1\u5e03\u4e86\u56db\u4e2a\u7248\u672c\u3002\u524d\u9762\u51e0\u4e2a\u7248\u672c\u4e3b\u8981\u63d0\u4f9b\u4e86\u8d44\u6e90\u8d85\u53d1\u3001QoS \u589e\u5f3a\u7684\u80fd\u529b\uff0c\u5e76\u4e14\u8fd8\u5f00\u6e90\u4e86\u65b0\u7684\u7ec4\u4ef6 koord-runtime-proxy\u3002\u5728 0.4 \u7248\u672c\u4e2d\uff0c\u6211\u4eec\u5f00\u59cb\u5728\u8c03\u5ea6\u5668\u4e0a\u53d1\u529b\uff0c\u9996\u5148\u5f00\u653e\u4e86\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u80fd\u529b\u3002\u76ee\u524d Koordinator \u793e\u533a\u6b63\u5728\u5b9e\u73b0 0.5 \u7248\u672c\uff0c\u5728\u8fd9\u4e2a\u7248\u672c\u4e2d\uff0cKoordinator \u4f1a\u63d0\u4f9b\u7cbe\u7ec6\u5316 CPU \u7f16\u6392\u548c\u8d44\u6e90\u9884\u7559\u7684\u80fd\u529b\uff0c\u5728\u4e4b\u540e\u7684\u89c4\u5212\u4e2d\uff0c\u6211\u4eec\u8fd8\u4f1a\u5728\u91cd\u8c03\u5ea6\u3001Gang \u8c03\u5ea6\u3001GPU \u8c03\u5ea6\u3001\u5f39\u6027 Quota \u7b49\u5b9e\u73b0\u4e00\u4e9b\u65b0\u7684\u521b\u65b0\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204815\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204816\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u00a0\u975e\u5e38\u671f\u5f85\u60a8\u5728\u4f7f\u7528 Koordinator \u79ef\u6781\u7684\u53cd\u9988\u9047\u5230\u7684\u4efb\u4f55\u95ee\u9898\u3001\u5e2e\u52a9\u6539\u5584\u6587\u6863\u3001\u4fee\u590d BUG \u548c\u6dfb\u52a0\u65b0\u529f\u80fd\u00a0If you find a typo, try to fix it!If you find a bug, try to fix it!If you find some redundant codes, try to remove them!If you find some test cases missing, try to add them!If you could enhance a feature, please DO NOT hesitate!If you find code implicit, try to add comments to make it clear!If you find code ugly, try to refactor that!If you can help to improve documents, it could not be better!If you find document incorrect, just do it and fix that!&#8230;\u00a0\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u4e8e\u5468\u4e8c 19:30 \u81f3 20:30 \u7b79\u529e\u4e86\u793e\u533a\u5b9a\u671f\u53cc\u5468\u4f1a\uff0c\u6b22\u8fce\u5e7f\u5927\u5fd7\u540c\u9053\u5408\u7684\u4f19\u4f34\u6dfb\u52a0\u4ea4\u6d41\u7fa4\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204817\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u5fae\u4fe1\u7fa4\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042204818\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\" ><br \/>\u9489\u9489\u7fa4\u00a0\u70b9\u51fb\u6b64\u5904\uff0c\u7acb\u5373\u4e86\u89e3 Koordinator \u9879\u76ee\uff01\u539f\u6587\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=vGJOoS7helQORQzp0w9QHg%3D%3D.i%2BCT1%2F%2FuO%2Bb4W8QC47z6Ra0dRmafbFB0fobRqsk3UFVOUpqgTH%2FBpH%2FmdM6ARuOS\" rel=\"nofollow\">http:\/\/click.aliyun.com\/m\/100&#8230;<\/a>\u672c\u6587\u4e3a\u963f\u91cc\u4e91\u539f\u521b\u5185\u5bb9\uff0c\u672a\u7ecf\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042204785\">https:\/\/segmentfault.com\/a\/1190000042204785<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0\u8fd1\u671f\uff0c\u6765\u81ea Koordinator \u793e\u533a\u7684\u4e24\u4f4d\u6280\u672f\u4e13\u5bb6\u4ece\u9879\u76ee\u7684\u67b6\u6784\u548c\u7279\u6027\u51fa\u53d1\uff0c\u5206\u4eab\u4e86 Koordina [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10005971","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10005971","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"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10005971"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10005971\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10005971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10005971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10005971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}